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Exelon Wind 1, L.L.C. v. Donna Nelson, et a, 12-51228 (2014)

Court: Court of Appeals for the Fifth Circuit Number: 12-51228
Filed: Sep. 08, 2014
Latest Update: Mar. 02, 2020
Summary: Case: 12-51228 Document: 00512760835 Page: 1 Date Filed: 09/08/2014 IN THE UNITED STATES COURT OF APPEALS FOR THE FIFTH CIRCUIT United States Court of Appeals Fifth Circuit FILED September 8, 2014 No. 12-51228 Lyle W. Cayce Clerk EXELON WIND 1, L.L.C., formerly known as JD Wind 1, L.L.C.; EXELON WIND 2, L.L.C., formerly known as JD Wind 2, L.L.C.; EXELON WIND 3, L.L.C., formerly known as JD Wind 3, L.L.C.; EXELON WIND 4, L.L.C., formerly known as JD Wind 4, L.L.C.; EXELON WIND 5, L.L.C., formerl
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     Case: 12-51228   Document: 00512760835    Page: 1   Date Filed: 09/08/2014




        IN THE UNITED STATES COURT OF APPEALS
                 FOR THE FIFTH CIRCUIT  United States Court of Appeals
                                                 Fifth Circuit

                                                                   FILED
                                                            September 8, 2014

                                No. 12-51228                    Lyle W. Cayce
                                                                     Clerk

EXELON WIND 1, L.L.C., formerly known as JD Wind 1, L.L.C.; EXELON
WIND 2, L.L.C., formerly known as JD Wind 2, L.L.C.; EXELON WIND 3,
L.L.C., formerly known as JD Wind 3, L.L.C.; EXELON WIND 4, L.L.C.,
formerly known as JD Wind 4, L.L.C.; EXELON WIND 5, L.L.C., formerly
known as JD Wind 5, L.L.C.; EXELON WIND 6, L.L.C., formerly known as JD
Wind 6, L.L.C.,

                                         Plaintiffs - Appellees,
v.

DONNA L. NELSON, in her official capacity as Chairman of the Public Utility
Commission of Texas; KENNETH W. ANDERSON, JR., in his official capacity
as Commissioner of the Public Utility Commission of Texas; ROLANDO
PABLOS, in his official capacity as Commissioner of the Public Utility
Commission of Texas,

                                         Defendants - Appellants,

SOUTHWESTERN PUBLIC SERVICE COMPANY; OCCIDENTAL PERMIAN,
LIMITED,

                                         Intervenors - Appellants.



                Appeals from the United States District Court
                      for the Western District of Texas


Before SMITH, PRADO, and ELROD, Circuit Judges.
JENNIFER WALKER ELROD, Circuit Judge:
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                                      No. 12-51228

       This appeal addresses the Texas Public Utilities Commission’s (PUC)
interpretation and implementation of a federal statutory and regulatory scheme
governing the purchase of energy between public utilities and certain energy
production facilities known as Qualifying Facilities. Appellees are qualifying
wind generation facilities collectively known as Exelon that challenged a state
rule and order which prohibited Exelon from forming Legally Enforceable
Obligations when selling power. The district court determined that it had
jurisdiction to hear Exelon’s claims and then granted summary judgment to
Exelon. We disagree. We VACATE the portion of the judgment regarding
Exelon’s challenge to the PUC’s order and direct the district court to dismiss for
want of subject matter jurisdiction. As to the remaining claims challenging the
PUC’s rule, we REVERSE and REMAND because the PUC acted within its
discretion and properly implemented the federal regulation at issue here.
                                             I.
       Congress enacted the Public Utilities Regulatory Policies Act of 1978
(PURPA) to reduce the dependence of electric utilities on foreign oil and natural
gas and to control consumer costs.            Congress sought to do so in part by
encouraging development of alternative energy sources.                     See FERC v.
Mississippi, 
456 U.S. 742
, 745 (1982); Power Res. Grp. v. Pub. Util. Comm’n, 
422 F.3d 231
, 233 (5th Cir. 2005) [hereinafter Power Resource III].1 PURPA directs
the Federal Energy Regulatory Commission (FERC) to promulgate regulations


       1
         Power Resource Group filed one action under PURPA in Texas state court, and one
in federal district court. Power Resource Group subsequently appealed the federal district
court decision. Each of these actions is relevant to our discussion in this case. In order to
avoid confusion, we refer to the state court decision as Power Resource I, the district court
decision as Power Resource II, and the subsequent decision by this court on appeal as Power
Resource III.

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                                   No. 12-51228

to promote energy purchases from cogeneration and small power production
facilities, including renewable energy providers such as wind and solar
generators. These energy providers are known as Qualifying Facilities. See 16
U.S.C. §§ 796(17), 824a-3(a); 18 C.F.R. §§ 292.101(b)(1), 292.203.          While
Congress sought to promote energy generation by Qualifying Facilities, it did not
intend to do so at the expense of the American consumer. PURPA thus strikes
a balance between these two interests. For example, PURPA requires utilities
to purchase power generated by Qualifying Facilities, but also mandates that the
rates that utilities pay for such power “shall be just and reasonable to the
electric consumers of the electric utility and in the public interest.” 16 U.S.C.
§ 824a-3(a)(2), (b)(1).
      “State regulatory agencies, such as the PUC, are directed to adopt rules
which comply with FERC’s regulations and implement PURPA.” Power Resource
III, 422 F.3d at 233
(citing 16 U.S.C. § 824a-3(f)). In other words, PURPA orders
the states to implement a federal law. This unusual mandate differs from many
other statutory regimes, where the states are given the option to either
implement the federal law themselves or else have the federal government
directly enforce the law. See New York v. United States, 
505 U.S. 144
, 167–68
(1992) (citing the Clean Water Act, Occupational Safety and Health Act, and
Resource Conversation and Recovery Act and explaining that “where Congress
has the authority to regulate private activity under the Commerce Clause, we
have recognized Congress’ power to offer States the choice of regulating that
activity according to federal standards or having state law pre-empted by federal
regulation”).




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                                     No. 12-51228

       As the Supreme Court has noted, the mandatory nature of PURPA’s
directive to states raises “troublesome” Tenth Amendment concerns. FERC v.
Mississippi, 456 U.S. at 759
. In FERC v. Mississippi, the Supreme Court was
able to avoid those concerns by explaining that FERC’s regulations allow the
states to implement PURPA simply by adjudicating disputes arising under the
statute. 
Id. at 760.
The Supreme Court found PURPA acceptable because it
does not require states to pass regulations implementing FERC’s regulations;
instead, states have the option of “resolving disputes on a case-by-case basis” by
opening up their courts to adjudicate such claims. 
Id. at 751,
760. Texas has
opted to have the PUC implement FERC’s regulations through rulemaking,
rather than case-by-case adjudication.2
       FERC provides state regulatory authorities like the PUC “great latitude
in determining the manner of implementation of the Commission’s rules,
provided that the manner chosen is reasonably designed to implement the
requirements” of FERC regulations. See Regulations Implementing Section 210
of the Public Utility Regulatory Policies Act of 1978, 45 Fed. Reg. 12214,
12230–31 (Feb. 25, 1980). At issue here is one of the rules that the PUC
promulgated to implement a FERC regulation.
       This FERC regulation provides Qualifying Facilities with two ways to sell
power to utilities. See 18 C.F.R. § 292.304(d) (FERC’s Regulation). Under
subsection (d)(1) of FERC’s Regulation, a Qualifying Facility may only provide
power to the utility on an “as-available” basis, and must price the power at the


       2
          The PUC was created in 1975 when the Texas Legislature enacted the Public Utility
Regulatory Act (PURA). The PUC regulates the state’s electric and telecommunication
utilities, implements respective legislation, and offers customer assistance in resolving
consumer complaints.

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                                  No. 12-51228

“time of delivery.” 
Id. § 292.304(d)(1).
Immediately following (d)(1) is another
subsection of FERC’s Regulation, which allows a Qualifying Facility to sell its
power pursuant to a Legally Enforceable Obligation. 
Id. § 292.304(d)(2).
A
Qualifying Facility that chooses to sell through a Legally Enforceable Obligation
has two options for how it prices its power: It may calculate the price at the
moment of delivery, just as under subsection (d)(1), or it may choose to fix the
price “at the time the obligation is incurred.” 
Id. In other
words, Qualifying
Facilities that form Legally Enforceable Obligations are able to select between
the current (as-available) and past (time of obligation) market prices for power.
      The PUC’s rule implementing FERC’s Regulation permits only a
Qualifying Facility that generates “firm power” to enter into a Legally
Enforceable Obligation. 16 Tex. Admin. Code § 25.242(c) (PUC Rule 25.242).
The PUC defines “firm power” as “power or power-producing capacity [from a
Qualifying Facility] that is available pursuant to a legally enforceable obligation
for scheduled availability over a specified term.” 
Id. § 25.242(c)(5).
The PUC
defines non-firm power from a Qualifying Facility as “[p]ower provided under an
arrangement that does not guarantee scheduled availability, but instead
provides for delivery as available.” 
Id. § 25.242(c)(9).
In other words, only those
Qualifying Facilities able to forecast when they will deliver energy to the
utility—and capable of delivering the specified amount of energy at the
scheduled time—are eligible to take advantage of the pricing options in
subsection (d)(2) of FERC’s Regulation. By contrast, Qualifying Facilities with
non-firm power that cannot guarantee such delivery may charge the utility only
the current or “as-available” market price for the power.




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                                       No. 12-51228

       Exelon is a Qualifying Facility, but cannot supply firm power, due in part
to the nature of wind generation. Wind is a notoriously fickle energy source, as
it blows intermittently and the power it generates is difficult to store.3
Technological advancements have made it possible for some wind farms to
provide more consistent service, but Exelon lacks such technology, and the winds
in the Texas Panhandle, where Exelon’s facilities are located, do not blow in a
predictable pattern. Because it is subject to the whims of these winds, Exelon
cannot guarantee that a particular amount of energy will be available at a
particular time.
       Southwestern Public Service Company (Southwestern) is a utility company
that is required under PURPA to buy all of Exelon’s wind-generated energy. See
16 U.S.C. § 8241-3(a)(3). At various times in 2005 and 2006, Exelon sent letters
to Southwestern demanding that Southwestern purchase Exelon’s energy output



       3
        A number of commentators have noted that the intermittent nature of wind supply
remains one of the major obstacles to producing wind-generated power. As one report
explained:
       Wind generation has technical characteristics which inherently differ from
       those of conventional generation facilities. Conventional generation can be
       controlled, or ‘dispatched’ to a precise output level. The primary energy source
       for wind generation, however, is inherently variable and incompletely
       predictable. Thus, electrical output of wind generation plants cannot be
       dispatched.
Drew Thornley, Texas Wind Energy: Past, Present, and Future, 4 Envt’l. & Energy L. & Pol’y
J. 69, 76–77 (2009) (quoting Gen. Elect. Energy, Analysis of Wind Generation Impact on
ERCOT Ancillary Requirements 7 (2008)); see also John Shelton, Who, What, How, & Wind:
The Texas Energy Market’s Future Relationship with Wind Energy and Whether It Will Be
Enough to Meet the State’s Needs, 11 Tex. Tech Admin. L.J. 401, 408–09 (2010) (explaining
that “the wind blows intermittently, and therefore the wind delivers energy intermittently as
well”); Governor’s Competitiveness Council, 2008 Texas State Energy Plan 16, 28 (2008)
(same); Thornley, supra at 76 (“Largely because of its intermittent nature, wind is not a
baseload resource; thus, it cannot meet a large portion of energy demand.”).

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                                       No. 12-51228

for the next twenty years, and purported to create Legally Enforceable
Obligations with Southwestern. Exelon further demanded that Southwestern
pay Exelon amounts that ranged from approximately $0.035 per kilowatt-hour
to more than $0.090 per kilowatt-hour for the first nine years of that twenty-
year term.      Southwestern refused to accept Exelon’s terms.                  According to
Southwestern, these rates were much higher than the as-available prices offered
by other generators. Southwestern asserted that Exelon could not form a
Legally Enforceable Obligation under subsection (d)(2) because it could not
provide firm power. As a result, Southwestern argued that Exelon could not
charge more than the as-available prices allowed under subsection (d)(1).
       In June 2007, Exelon filed a complaint with the PUC alleging that it had
formed a Legally Enforceable Obligation with Southwestern, and that
Southwestern was underpaying for its power.                  Exelon’s complaint did not
challenge PUC Rule 25.242 or any other Texas rule implementing FERC’s
regulations under PURPA. Instead, Exelon argued in the PUC proceeding that
its power was firm because Exelon promised to sell all of the power it produced
to Southwestern. Exelon’s case was first heard by an administrative law judge
at the PUC. The administrative law judge determined that Exelon’s power was
non-firm, that it had not created a Legally Enforceable Obligation, and that it
was not entitled to additional compensation.4
       The PUC Commission issued an order (PUC Order) that adopted the



       4
         The PUC has three commissioners who make final determinations on the PUC’s rules
and orders. Before the commissioners hear a dispute, it may first be heard by an
administrative law judge. The commission retains the power to alter the administrative law
judge’s findings of fact or conclusions of law before issuing an order. See Tex. Gov’t Code Ann.
§ 2003.049(g).

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                                 No. 12-51228

administrative law judge’s conclusions, with one notable exception.           The
administrative law judge had proposed including a categorical finding that wind
generators could not create Legally Enforceable Obligations because “wind
generated power is not readily available.”      The Commission rejected this
proposal. Instead, the Commission concluded that while Exelon was unable to
produce firm power, other wind generators may be able to do so and may
therefore be capable of forming Legally Enforceable Obligations. The PUC
Order noted this conclusion:
      The [administrative law judge] found that wind-generated power is
      not readily available. The Commission disagrees with this broad
      statement encompassing all wind-generated power.                 The
      Commission notes that disparate wind patterns in the diverse
      geographic regions of the state can result in significantly different
      characteristics for wind-generated power. Further combining wind
      with energy storage techniques or other energy sources, like solar
      energy, can also result in significant differences.
      Exelon appealed the PUC’s ruling to the state district court in Travis
County, Texas.    While the state court appeal was pending, Exelon filed a
petition for enforcement and request for declaratory order from FERC, arguing
that all Qualifying Facilities are entitled to create Legally Enforceable
Obligations, regardless of whether the energy they produce is firm or non-firm.
FERC declined to initiate an enforcement action against the PUC, and instead
issued an informal declaratory order (FERC’s Letter) stating that the PUC
Order was inconsistent with FERC’s Regulation. FERC’s Letter stated that a




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                                       No. 12-51228

Qualifying Facility may form a Legally Enforceable Obligation even if its power
is non-firm.5
      Exelon voluntarily non-suited its state court appeal of the PUC Order. In
December 2009, Exelon filed this lawsuit in federal district court seeking
declaratory and injunctive relief against the PUC Commissioners in their official
capacities. In its complaint, Exelon requested that the district court declare
that: (1) the PUC Order did not implement FERC’s Regulation; (2) all Qualifying
Facilities may form Legally Enforceable Obligations; and (3) the PUC must
reopen the proceeding brought by Exelon in light of these determinations.
Exelon also requested an injunction: (1) requiring the PUC to fully implement
FERC’s Regulation; (2) prohibiting the PUC from enforcing the PUC Order; and
(3) requiring the PUC to address and consider Exelon’s petition in light of those
declarations.
      Southwestern and Southwestern’s biggest consumer, Occidental Permian
Limited (Occidental), intervened. The PUC, Southwestern, and Occidental


      5
          FERC’s Letter states that FERC’s Regulation
      does not contain the words “firm” or “non-firm”. . . . This is contrary to the
      language of the regulation which provides that “[e]ach qualifying facility shall
      have the option either: to choose the section 292.304(d)(1) method of sale, or the
      section 292.304(d)(2) method of sale;”
      ....
      In conclusion, we find that the Texas Commission’s order, limiting the award
      of a legally enforceable obligation to only those Qualifying Facilities that
      provide “firm” power, is inconsistent with our regulations implementing
      PURPA. Under our regulations, [Exelon] Wind has the right to choose to sell
      pursuant to a legally enforceable obligation, and, in turn, has the right to choose
      to have rates calculated at avoided costs calculated at the time that obligation
      is incurred.

JD Wind 1, LLC, 129 FERC 61,148 (Nov. 19, 2009).

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                                  No. 12-51228

moved to dismiss Exelon’s claims under Federal Rule of Civil Procedure 12(b)(1)
and 12(b)(6), arguing that PURPA grants exclusive jurisdiction to state courts
to hear the sort of claims advanced by Exelon. The district court disagreed, and
concluded that it had jurisdiction to hear the case.
      The parties then moved for summary judgment. The district court issued
an order granting Exelon’s motion for summary judgment and denying all other
motions for summary judgment. The district court concluded that the PUC
Order failed to implement PURPA and permanently enjoined the PUC from
requiring a Qualifying Facility to provide firm power as a condition of creating
a Legally Enforceable Obligation. The district court subsequently amended its
judgment to enjoin the PUC Commissioners, rather than the PUC itself. The
PUC, Southwestern, and Occidental (collectively, Appellants) appealed.
                                       II.
      We begin by addressing Appellants’ argument that there is no subject
matter jurisdiction to hear Exelon’s claims. We review de novo a district court’s
determination of subject matter jurisdiction. In re FEMA Trailer Formaldehyde
Prods. Liab. Litig. (Miss. Plaintiffs), 
668 F.3d 281
, 286 (5th Cir. 2012). Exelon,
as the plaintiff, has the burden of establishing subject matter jurisdiction. 
Id. If we
conclude that there is no subject matter jurisdiction, the case must be
dismissed. Home Builders Ass’n, Inc. v. City of Madison, 
143 F.3d 1006
, 1010
(5th Cir. 1998).
      PURPA provides for two types of review of a state utility regulatory
authority’s actions: implementation and as-applied challenges.        See Power
Resource 
III, 422 F.3d at 234
–35. Federal courts have exclusive jurisdiction over
implementation challenges, while state courts have exclusive jurisdiction over


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                                       No. 12-51228

as-applied challenges.6 The type of claims brought by Exelon thus determines
whether we have jurisdiction. 
Id. at 235.
“An implementation claim involves a
contention that the state agency . . . has failed to implement a lawful
implementation plan under § 824a-3(f) of PURPA, whereas an ‘as-applied’ claim
involves a contention that the state agency’s . . . implementation plan is
unlawful, as it applies to or affects an individual petitioner.” 
Id. (internal quotation
marks and citations omitted); see also 16 U.S.C. § 824a-3(g).
        The parties disagree as to whether Exelon asserted as-applied or
implementation challenges. Appellants make several arguments for why these
were as-applied challenges over which the district court had no jurisdiction.
First, Appellants contend that Exelon is challenging the PUC Order, which only
applies to Exelon, rather than PUC Rule 25.242. Next, Occidental asserts that,
although we treated similar claims as implementation challenges in Power
Resource III, that determination is not binding here. Finally, the PUC argues
that we must read PURPA’s jurisdictional grant to federal courts narrowly in
order to avoid the “troublesome” Tenth Amendment concerns identified by the
Supreme Court in FERC v. Mississippi.              We address each of these points in
turn.




        6
          PURPA’s “‘multi-layered’ enforcement provisions” give federal courts exclusive
jurisdiction over challenges to a state’s implementation of PURPA if two conditions are met:
(1) the party bringing the claim must first petition FERC to bring an enforcement action, and
(2) after FERC declines to bring such an action, the party may file a complaint which
challenges the state regulations as an illegal implementation of PURPA and the FERC
regulations. Power Resource 
III, 422 F.3d at 234
–35; see also 16 U.S.C. § 824a-3(h)(2)(A)–(B).
There is no dispute that the first condition is met here. Exelon petitioned FERC and FERC
declined to initiate an enforcement action, although FERC did issue a declaratory order.

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                                 No. 12-51228

                                      A.
      Appellants argue that Exelon raised as-applied challenges because Exelon
only challenged the PUC’s application of PUC Rule 25.242 to Exelon. In
response, Exelon contends that this was an implementation challenge because
the PUC Order had broad effects, and because the PUC Order and PUC Rule
25.242 together fail to implement FERC’s Regulation. The district court agreed
with Exelon, and characterized Exelon’s claims as implementation challenges.
The district court first reasoned that Exelon was asserting that it was entitled
to form a Legally Enforceable Obligation under FERC’s Regulation. The district
court explained that, because the PUC Order denied Exelon the right to create
a Legally Enforceable Obligation, Exelon was challenging that PUC Order as a
failure to implement FERC’s Regulation. Second, the district court determined
that the PUC Order “implicitly broadened its findings when it explained what
other conditions could allow a wind energy facility to succeed in providing firm
power” and thus concluded that the PUC Order did not limit its effect only to
Exelon. We agree with the district court with respect to only some of Exelon’s
claims.
                                       i.
      To help elucidate the difference between implementation and as-applied
challenges, we begin by reviewing our decision in Power Resource 
III, 422 F.3d at 231
. There, the PUC had determined that a Qualifying Facility called PRG
could not form a Legally Enforceable Obligation because it could not guarantee
power delivery within ninety days, as required by PUC Rule 23.66. 
Id. at 234.
PRG filed suit in both state and federal court asserting both as-applied and
implementation challenges to the PUC’s determination. The Texas state courts


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                                    No. 12-51228

adjudicated PRG’s as-applied claims, including whether the PUC properly
interpreted its own rule, and whether that interpretation was preempted by
FERC’s regulations. See Power Res. Grp., Inc. v. Pub. Util. Comm’n, 
73 S.W.3d 354
, 356–57 (Tex. App.—Austin 2002, pet. denied) [hereinafter Power Resource
I].
        PRG then brought suit in federal district court, where it requested several
additional forms of relief, including: (1) a declaration that the PUC had failed to
implement the requirements of PURPA; (2) a declaration that the PUC’s actions
with respect to PRG violated PURPA; and (3) injunctive relief requiring the PUC
to implement new Legally Enforceable Obligation regulations, and then
requiring the PUC to consider PRG’s petition under that new regulatory
framework. See Power Res. Grp. v. Pub. Util. Comm’n, No. 1:03-CV-762-HLH,
Dkt. No. 1, at *12 (W.D. Tex. Oct. 10, 2003) [hereinafter Power Resource II]. The
district court dismissed all but one of PRG’s claims for lack of jurisdiction after
determining that they were as-applied challenges:
        PRG again asks this Court to grant relief in the form of an order
        directing [PUC] to consider PRG’s claims under a revised system of
        regulation . . . . These allegations state an “as applied” claim, which
        this Court has no jurisdiction to hear. . . . [T]he one ultimate and
        limited issue before the Court at this time is whether [PUC] failed
        to implement the [Legally Enforceable Obligation] option provided
        by FERC’s regulations.
Id. (emphasis in
the original).       The district court then granted summary
judgment to the PUC and other defendants on PRG’s implementation claim. We
affirmed, without reaching the issue of whether the district court could have also
heard PRG’s other claims. Power Resource 
III, 422 F.3d at 239
.




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                                        No. 12-51228

                                               ii.
       We now turn to Exelon’s claims, which fall into two main categories. The
majority of Exelon’s requests for relief focus on the specific PUC Order, rather
than PUC Rule 25.242. For example, Exelon asked the district court for a
declaration that the PUC Order did not implement FERC’s Regulation and is
preempted. These claims challenging the PUC Order are identical to the as-
applied claims that the state court of appeals adjudicated in Power Resource 
I, 73 S.W.3d at 361
–62. Exelon also asked the district court to declare that the
PUC must reopen Exelon’s proceedings for further consideration, and to issue
an injunction prohibiting the PUC from enforcing the PUC Order.                            In a
thoughtful, well-reasoned opinion, the federal district court in Power Resource
II dismissed these types of claims for lack of jurisdiction because they were as-
applied challenges. Power Resource II, No. 1:03-CV-762-HLH, Dkt. No. 44, at
17–18. We agree with the conclusions reached by both the state and federal
district courts in Power Resource I & II regarding their exclusive jurisdiction
under PURPA. Exelon’s challenges to the PUC Order are “contention[s] that the
state agency’s . . . implementation plan is unlawful, as it applies to or affects an
individual petitioner” and are thus as-applied challenges over which we have no
jurisdiction. Power Resource 
III, 422 F.3d at 235
(internal quotation marks and
citations omitted).7
       The district court in this case reasoned that Exelon’s claims challenging


       7
         This result is supported by other courts that have had occasion to interpret PURPA’s
jurisdictional grant. See Occidental Chem. Corp. v. La. Pub. Serv. Comm’n, 
494 F. Supp. 2d 401
, 411 (M.D. La. 2007) (applying the reasoning from the federal district court in Power
Resource II); Mass. Inst. of Tech. v. Mass. Dep’t of Pub. Utils., 
941 F. Supp. 233
, 238 (D. Mass.
1996); Greensboro Lumber Co. v. Ga. Power Co., 
643 F. Supp. 1345
, 1374 (N.D. Ga. 1986), aff’d,
844 F.2d 1538
(11th Cir. 1988).

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                                     No. 12-51228

the PUC Order were implementation challenges based on what it considered to
be a broad ruling in the PUC Order that prevented all wind generators from
forming Legally Enforceable Obligations. We disagree. The PUC explicitly
declined to create a categorical rule preventing wind generators from forming
Legally Enforceable Obligations and instead issued an order limited to only
Exelon’s capacity to produce firm power:
      The [administrative law judge] found that wind-generated power is
      not readily available. The Commission disagrees with this broad
      statement encompassing all wind-generated power.                 The
      Commission notes that disparate wind patterns in the diverse
      geographic regions of the state can result in significantly different
      characteristics for wind-generated power. Further combining wind
      with energy storage techniques or other energy sources, like solar
      energy, can also result in significant differences.8
      The PUC thus left open the possibility that other wind generators might
be able to comply with the firm power requirement, either through technological
advances or based on their locations in regions with more predictable wind



      8
         Discussion between the PUC Commissioners on the record of the hearing confirms
that the PUC Order had a limited scope:
      CHAIRMAN SMITHERMAN: Well, I think the problem here is that there’s no
      definition of “not readily available power.” So that sort of leads us into a
      confusing state.
      COMM. NELSON: I think we just want to clarify it so that in the future, if
      somebody came in and could meet that standard that we’re not being preclusive.
      ....
      COMM. ANDERSON: Because I could envision in the future wind, for a variety
      of reasons, could be readily available whether through storage or geographical
      diversity or mixed with solar.
      COMM. NELSON: Right. And it really depends on the area of the state —
      COMM. ANDERSON: It really does.
      COMM. NELSON: — because, you know, along the coast the pattern is totally
      different and it blows at peak times.

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                                      No. 12-51228

patterns than those found around the Exelon facilities. As both the PUC and
Occidental aptly note, the fact that as-applied challenges may establish
precedent relevant to future cases does not transform them into facial or
implementation       challenges.        Courts     routinely      adjudicate    as-applied
constitutional challenges to statutes; these decisions do not become facial
challenges simply because of their stare decisis effect in future cases presenting
similar facts or legal theories. Cf. In re Cao, 
619 F.3d 410
, 430 (5th Cir. 2010)
(en banc); see also 
id. at 443
(Jones, C.J., concurring in part and dissenting in
part).       The PUC Order is best viewed as an application of PUC Rule
25.242—which the PUC promulgated more than thirty years ago—to an
individual petitioner.9 As a result, Exelon’s challenges to the PUC Order are as-
applied challenges.
                                            iii.
         Exelon offers one additional argument for why these claims are
implementation challenges. Exelon points to FERC’s Letter, which Exelon
requested from FERC after receiving an unfavorable ruling from the PUC.
While this FERC-issued document is rather impressively called a Declaratory
Order, it is actually akin to an informal guidance letter. See Indus. Cogenerators
v. FERC, 
47 F.3d 1231
, 1235 (D.C. Cir. 1995) (“The Commission nowhere
purported to make the Declaratory Order binding upon the FPSC, nor can we
imagine how it could do so. Unlike the declaratory order of a court, which does
fix the rights of the parties, this Declaratory Order merely advised the parties


         9
         The PUC promulgated a predecessor to PUC Rule 25.242 in 1981. There have been
several intermediate iterations of the Rule since then, none of which impact the outcome of
this case. See Act of Apr. 10, 1981, 67th Leg., R.S., ch. 31, § 2, 1981 Tex. Gen. Laws 70, 71
(codified at Tex. Utils. Code Ann. § 35.061).

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                                        No. 12-51228

of the Commission’s position.”). In this Letter, FERC states that Exelon’s claims
are implementation challenges. Exelon cites City of Arlington v. FCC, 
133 S. Ct. 1863
, 1872 (2013), and maintains that we should give deference to FERC’s
characterization, in its Letter, of these claims as an implementation challenge.
Exelon argues that, based on this deference, we should conclude that the federal
courts have jurisdiction to hear Exelon’s claims. The district court here adopted
Exelon’s position without providing any reasoning or case law in support: “That
Exelon is in fact challenging PUC[]’s implementation of PURPA, rather [than]
a particular application, is confirmed by the reasoning in the FERC Declaratory
Order, and the positions taken by various intervenors before FERC.”
       We disagree. In City of Arlington, the Supreme Court afforded Chevron
deference to an agency’s interpretation of its own jurisdiction. Id.10 Indeed, the
Supreme Court explicitly noted that it granted certiorari “limited to the first
question presented: Whether . . . a court should apply Chevron to . . . an agency’s
determination of its own jurisdiction.” 
Id. at 1867–68
(internal quotation marks
omitted). In contrast, the question here is not whether FERC has jurisdiction
to address Exelon’s claims, but rather whether these claims belong in a state or
a federal court.      City of Arlington does not address this entirely different


       10
          The Supreme Court’s decision in Chevron U.S.A., Inc. v. Natural Resources Defense
Council, Inc., requires courts to conduct a two-step inquiry when determining whether to defer
to an agency’s interpretation of a statute that it administers. 
467 U.S. 837
(1984). Under the
first step, we ask “whether Congress has directly spoken to the precise question at issue” or
whether the statute is ambiguous. 
Id. at 842–43.
If Congress has resolved the question, then
the clear intent of Congress binds both the agency and the court. 
Id. Under the
second step,
if “the statute is silent or ambiguous with respect to the specific issue, the question for the
court is whether the agency’s answer is based on a permissible construction of the statute.”
Id. at 843.
Under this second step, we defer to the agency’s interpretation if “it is a reasonable
interpretation of the statute.” Entergy Corp. v. Riverkeeper, Inc., 
556 U.S. 208
, 218 (2009).


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                                  No. 12-51228

proposition advocated by Exelon, and does not support the argument that we
should defer to FERC’s interpretation of our own jurisdiction under the statutory
scheme.
      While the Supreme Court has not addressed this novel argument, our own
precedent forecloses it. As Judge Wisdom noted long ago, “[t]he courts, however,
have to make their own determination whether the district court has
jurisdiction, rather than defer to the [federal agency] in the first instance.” Reeb
v. Econ. Opportunity Atlanta, Inc., 
516 F.2d 924
, 926 (5th Cir. 1975); see also
Lopez–Elias v. Reno, 
209 F.3d 788
, 791 (5th Cir. 2000) (explaining that “the
determination of our jurisdiction is exclusively for the court to decide”). More
recently, our sister circuit explained that, “the Supreme Court has repeatedly
affirmed that federal courts have an independent obligation to determine their
own subject-matter jurisdiction.” Shweika v. Dep’t of Homeland Sec., 
723 F.3d 710
, 719 (6th Cir. 2013) (citing Henderson ex rel. Henderson v. Shinseki, 131 S.
Ct. 1197, 1202 (2011); Arbaugh v. Y&H Corp., 
546 U.S. 500
, 514 (2006); Steel
Co. v. Citizens for a Better Env’t, 
523 U.S. 83
, 95 (1998)). “Requiring that a court
defer to an agency’s interpretation of the court’s own subject-matter jurisdiction
would interfere with this independent obligation.” 
Id. Even assuming
arguendo that an agency’s interpretation of a court’s
jurisdiction could warrant deference, FERC’s Letter would still not be entitled
to Chevron deference because it is an informal guidance document. As the
Supreme Court has explained, “[i]nterpretations such as those in opinion
letters—like interpretations contained in policy statements, agency manuals,
and enforcement guidelines, all of which lack the force of law—do not warrant
Chevron-style deference.” Christensen v. Harris Cnty., 
529 U.S. 576
, 587 (2000).


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                                  No. 12-51228

Exelon conceded as much at oral argument, and acknowledged that FERC’s
Letter is “entitled to respect,” but only to the extent that it is persuasive. 
Id. (citing Skidmore
v. Swift & Co., 
323 U.S. 134
(1944)). Because we find the
reasoning in Power Resource I & II more persuasive than FERC’s Letter, we
conclude that Exelon’s challenges to the PUC Order are as-applied challenges,
over which the district court lacked jurisdiction.
                                       B.
                                        i.
      Exelon’s second category of claims challenges PUC Rule 25.242. Exelon
argues that the Rule does not fully implement FERC’s Regulation because PUC
Rule 25.242 limits the category of Qualifying Facilities that may form Legally
Enforceable Obligations. In response, Occidental contends that Exelon did not
plead a proper implementation challenge because it did not explicitly ask the
district court to require the PUC to engage in new rulemaking or to invalidate
PUC Rule 25.242. Exelon did, however, raise a more general challenge to PUC
Rule 25.242 by asking for a declaration that all Qualifying Facilities may form
Legally Enforceable Obligations, and requesting that the court issue an
injunction requiring the PUC to fully implement FERC’s regulations. Either
form of relief would necessarily require the PUC to alter its current rules. We
see little difference between these requests for relief and those that we
addressed as implementation challenges in Power Resource 
III, 422 F.3d at 237
–39. Exelon’s claims challenging PUC Rule 25.242 are thus implementation
challenges.
      Occidental asserts that our “drive-by” jurisdictional ruling in Power
Resource III is not entitled to precedential effect. We disagree. While “questions


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                                  No. 12-51228

of jurisdiction [that] have been passed on in prior decisions sub silentio” are not
entitled to preclusive effect, Power Resource III is not such a case. See Hagans
v. Lavine, 
415 U.S. 528
, 533 n.5 (1974). The district court opinion in Power
Resource II devoted substantial time to the jurisdictional question. We, in turn,
devoted a large portion of our opinion to recounting the district court’s
jurisdictional determination before reaching the merits of the case. See Power
Resource 
III, 422 F.3d at 234
–37. The appellant in Power Resource III also
briefed the issue of whether the district court erred in determining that it lacked
jurisdiction to grant relief on PRG’s as-applied claims. 
Id. at 239.
While our
decision in Power Resource III certainly could have given more guidance on its
jurisdictional determination, the issue was clearly before the court. Power
Resource III is thus distinguishable from cases where we have held that the
jurisdictional determination had no precedential effect because the prior court
did not appear to consider the issue. See, e.g., USPPS, Ltd. v. Avery Dennison
Corp., 
647 F.3d 274
, 283 (5th Cir. 2011) (“No one contends that the propriety of
jurisdiction in this Circuit was actually argued to the prior panel or that the
prior panel’s decision actually addresses that question.”); Kershaw v. Shalala,
9 F.3d 11
, 13 n.3 (5th Cir. 1993) (“[T]he jurisdictional issue was neither raised
by the parties nor addressed by the Court.”). Even assuming arguendo that we
were not bound by the jurisdictional determination in Power Resource III, we
would conclude that the delineation drawn by the district court in Power
Resource II between implementation and as-applied challenges is a persuasive
reading of PURPA’s text, and would follow the same approach here.
                                        ii.
      The PUC insists that we should read PURPA’s jurisdictional grant more


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                                 No. 12-51228

narrowly, based on the Supreme Court’s decision in FERC v. 
Mississippi, 456 U.S. at 759
. Under the PUC’s view, federal courts only have jurisdiction to hear
claims asserting that the PUC has failed to open its doors to adjudicate disputes
under PURPA when it is simultaneously hearing similar state lawsuits. While
this reading of PURPA’s jurisdictional provisions may be possible, it is not
compelled by the Supreme Court’s decision in FERC v. Mississippi, and would
conflict with our own prior interpretation of the scope of PURPA’s jurisdictional
grant. See Power Resource 
III, 422 F.3d at 235
–37. Absent a clear contrary
statement from the Supreme Court or en banc reconsideration, we are bound by
our own precedent. See United States v. Stone, 
306 F.3d 241
, 243 (5th Cir. 2002).
      Moreover, we do not think that the PUC’s approach is necessary to avoid
constitutional problems in this case. As the Supreme Court noted in FERC v.
Mississippi, states have the option of implementing FERC’s regulations through
state regulations, but may decline to do so if they would prefer to open their
state courts only to hear disputes over FERC’s 
regulations. 456 U.S. at 760
. As
a result, Texas was not forced to pass laws implementing FERC’s regulations.
Cf. Printz v. United States, 
521 U.S. 898
, 933 (1997). Instead, Texas opted to
have the PUC promulgate regulations implementing FERC’s Regulations. See
Tex. Utils. Code Ann. § 35.061; see also 27 Tex. Reg. 5966, 5968 (2002) (“The
commission chooses to continue implementation of PURPA through rulemaking.
The commission agrees with Texas [Qualifying Facilities] that implementation
on a case-by-case, contested proceeding hearing approach would waste parties’
resources.”). We thus decline to follow Appellants’ approach and adhere instead
to the framework we followed in Power Resource 
III, 422 F.3d at 236
.
      Accordingly, we VACATE the portion of the judgment regarding Exelon’s


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                                     No. 12-51228

challenge to the PUC’s order and direct the district court to dismiss for want of
subject matter jurisdiction, and review only Exelon’s claims that PUC Rule
25.242 fails to implement FERC’s Regulation.
                                           III.
       We now turn to whether the district court properly granted summary
judgment in favor of Exelon on its claims that the PUC failed to implement
FERC’s Regulation.        “We review a district court’s ruling on a motion for
summary judgment de novo and apply the same legal standards as the district
court.” Bellard v. Gautreaux, 
675 F.3d 454
, 460 (5th Cir. 2012). “The court shall
grant summary judgment if the movant shows that there is no genuine dispute
as to any material fact and the movant is entitled to judgment as a matter of
law.” Fed. R. Civ. P. 56(a). When ruling on a motion for summary judgment, we
are required to review all inferences in the light most favorable to the
nonmoving party. Matsushita Elec. Indus. Co. v. Zenith Radio, 
475 U.S. 574
,
587 (1986).
       We review the PUC’s implementation of PURPA and the FERC Regulation
with deference because “a state has broad authority to implement PURPA with
respect to the approval of purchase contracts between utilities and [Qualifying
Facilities].” Power Resource 
III, 422 F.3d at 236
(citations omitted).
       PURPA requires states to implement FERC’s regulations. See 16 U.S.C.
§ 824a-3(f)(1).11 States may implement PURPA “by issuing regulations, by


       11
         Appellants argue that we should read FERC’s Regulation narrowly to avoid Tenth
Amendment issues that might arise from forcing Texas to implement certain regulations. As
noted in Section 
II.C.ii, supra
, this narrow interpretation is not necessary to avoid Tenth
Amendment issues here. Texas opted to have the PUC issue rules to enforce PURPA, rather
than simply opening its courts to hear PURPA disputes. Having done so, Texas (and the PUC)
may not pass regulations that are inconsistent with FERC’s regulations. See Fid. Fed. Sav.

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                                         No. 12-51228

resolving disputes on a case-by-case basis, or by taking any other action
reasonably designed to give effect to FERC’s rules.” FERC v. 
Mississippi, 456 U.S. at 751
. Here, Texas chose to give effect to FERC’s rules by promulgating
regulations. FERC’s Regulation at issue here provides that each Qualifying
Facility “shall have the option . . . [t]o provide energy or capacity pursuant to a
legally enforceable obligation for the delivery of energy or capacity over a
specified term.” 18 C.F.R. § 292.304(d). We note at the outset that the plain
language of PUC Rule 25.242 does not conflict with FERC’s Regulation. Indeed,
there is no FERC Regulation or PURPA provision specifically addressing
whether non-firm energy providers may form Legally Enforceable Obligations.
Exelon claims instead that the PUC failed to implement FERC’s Regulation
because PUC Rule 25.242 limits the class of Qualifying Facilities that have the
option of forming Legally Enforceable Obligations.12 Because Congress has left
this determination to the PUC, rather than FERC, we disagree.
       In determining whether PUC Rule 25.242 fails to implement FERC’s


& Loan Ass’n v. de la Cuesta, 
458 U.S. 141
, 153 (1982) (“Even where Congress has not
completely displaced state regulation in a specific area, state law is nullified to the extent that
it actually conflicts with federal law.”). Cf. New 
York, 505 U.S. at 166
–67; Nat’l Collegiate
Athletic Ass’n v. Governor of N.J., 
730 F.3d 208
, 228 (3d Cir. 2013), cert. denied, 2014 U.S.
LEXIS 4343, and cert. denied, 
2014 U.S. LEXIS 4345
, and cert. denied, 
2014 U.S. LEXIS 4346
(June 23, 2014).
       12
         The PUC’s regulations provide the following definitions:
       (5) Firm power—From a qualifying facility, power or power-producing capacity
       that is available pursuant to a legally enforceable obligation for scheduled
       availability over a specified term.
       ....
       (9) Non-firm power from a qualifying facility—Power provided under an
       arrangement that does not guarantee scheduled availability, but instead
       provides for delivery as available.
16 Tex. Admin. Code § 25.242(c)(5), (9).

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                                 No. 12-51228

Regulation, we turn once again to our binding precedent in Power Resource 
III, 422 F.3d at 237
–39. The dissenting opinion’s view of this case apparently flows
from the view that we are not bound by Power Resource III here. We disagree,
and explain below why that case forecloses the position taken in the dissenting
opinion.
                                       A.
      In Power Resource III, we upheld the PUC’s determination that
PRG—which was also a Qualifying Facility—could not form a Legally
Enforceable Obligation because it could not guarantee power delivery within
ninety days as required by the PUC’s 90-day Rule. 
Id. at 234.
PRG—like
Exelon—argued that the PUC’s 90-day Rule did not meaningfully implement the
same FERC Regulation at issue here because the PUC’s 90-day Rule
“eviscerate[d]” the Legally Enforceable Obligation option for an entire category
of Qualifying Facilities that were unable to meet the rule’s requirements. 
Id. at 238.
We disagreed, and upheld the PUC’s 90-day Rule, explaining that,
      PRG has failed to show that PURPA and the FERC regulations
      mandate that all [Qualifying Facilities], including unbuilt ones,
      must be able to create a [Legally Enforceable Obligation] at any
      time. . . . FERC regulations grant the states discretion in setting
      specific parameters for [Legally Enforceable Obligations].
      ....
      If FERC had determined it necessary to set more specific guidelines
      concerning [Legally Enforceable Obligations], it could have done
      so. . . . The plain text of the FERC regulation, however, fails to
      mandate that requirement. Rather, defining the parameters for
      creating a [Legally Enforceable Obligation] is left to the states and
      their regulatory agencies.
Id. at 238–39
(emphasis added).       Power Resource III thus forecloses the
dissenting opinion’s first argument, that under the plain language of FERC’s

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                                       No. 12-51228

Regulation, all Qualified Facilities must always be allowed to enter into Legally
Enforceable Obligations. Instead, Power Resource III held that state regulatory
agencies—rather than FERC—were empowered to define the parameters of the
circumstances in which Qualified Facilities could form Legally Enforceable
Obligations. 
Id. It is
this essential holding which binds us here: under the
cooperative federalism scheme created by PURPA, it is the PUC, rather than
FERC, that defines the parameters for when a Qualified Facility may form a
Legally Enforceable Obligation.
       The same holds true here. The PUC had the discretion to determine the
specific parameters for when a wind farm can form a Legally Enforceable
Obligation, and through regulation determined that only when a wind farm can
provide firm power may it enter into a Legally Enforceable Obligation. This does
not, as the dissenting opinion fears, prevent all wind farms from ever forming
Legally Enforceable Obligations.             To the contrary: As we noted in our
jurisdictional analysis, the PUC explicitly left open the possibility that other
wind farms might be able to provide firm power, and thus form Legally
Enforceable Obligations. Even Exelon is not, as the dissenting opinion claims,
“ineligible” to form a Legally Enforceable Obligation. If Exelon is able to
demonstrate that it can provide firm power, either through modification or
through advances in technology, then it too may enter into Legally Enforceable
Obligations.13 Cf. Matthew L. Wald, Texas Is Wired for Wind Power, and More


       13
         Nor did our holding in Power Resource III depend, as the dissenting opinion suggests,
on the fact that a state regulatory agency is entitled to deference only when FERC is silent on
the issue. Rather, it was based on a recognition of the careful balance of authority between
the federal and state authority that Congress drew when it implemented PURPA. The
dissenting opinion’s contrary interpretation would undermine this balance by giving FERC the
final say over decisions delegated to state regulatory agencies. Such a shift in power might

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                                      No. 12-51228

Farms Plug In, N.Y. Times, July 24, 2014, at B1 (noting improvements in
transmission infrastructure for Texas wind farms).
       Here, just as in Power Resource III, the mere fact that PUC Rule 25.242
prevents some Qualifying Facilities from entering into Legally Enforceable
Obligations at certain times does not mean that the PUC failed to implement
FERC’s Regulation. As we said in Power Resource III, “[t]he plain text of the
FERC regulation . . . fails to mandate” that all Qualifying Facilities be allowed
to form Legally Enforceable Obligations. 
Id. at 239.
To determine otherwise
here would put us in conflict with our own controlling precedent in Power
Resource III.
                                            B.
       Exelon maintains that we should instead defer to FERC’s Letter, which
determined that PUC Rule 25.242 failed to implement, and was inconsistent
with, FERC’s Regulation. Specifically, FERC interpreted its Regulation to allow
all Qualifying Facilities—even those that produce non-firm power—to form
Legally Enforceable Obligations. Exelon conceded at oral argument that FERC’s
Letter is not entitled to deference under either Chevron or Auer v. Robbins, 
519 U.S. 452
, 457 (1997).14 Instead, Exelon argues that we ought to give weight to
FERC’s informal determination based on its persuasive value. We disagree for


raise the sort of “troublesome” Tenth Amendment concerns expressed by the Supreme Court
in FERC v. 
Mississippi, 456 U.S. at 759
. The dissenting opinion does not address the serious
constitutional concerns that could flow from its approach, and we are hesitant to wade
unnecessarily into such murky waters. We therefore reject the dissenting opinion’s
interpretation of Power Resource III.
       14
         In Auer the Supreme Court applied the same two-step analysis from Chevron and
explained that agency interpretations of their own regulations are entitled to even greater
deference. 519 U.S. at 457
.

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                                        No. 12-51228

several reasons.
       We begin by noting that FERC is not a party to this litigation, and did not
take a position on this question of interpretation before our court. FERC’s
involvement in this case has been limited to sending Exelon a single letter that
supports the position that Exelon has taken in this case. We cannot defer to
Exelon’s proffered interpretation of the FERC Regulation, because it is
foreclosed by our own reading of the Regulation in Power Resource III.15
       Even if Exelon had not conceded that FERC’s Letter was entitled to no
deference under Chevron and Auer, a court’s prior construction of a statute
trumps an agency construction otherwise entitled to Chevron deference when the
prior court decision held that its construction follows from the unambiguous
terms of the statute and thus leaves no room for agency discretion. Nat’l Cable
& Telecomm. Ass’n v. Brand X Internet Servs., 
545 U.S. 967
, 982 (2005).16
       Power Resource III makes clear that our prior reading of FERC’s
Regulation unambiguously forecloses the interpretation offered by Exelon here:


       15
           The dissenting opinion argues that even though Exelon conceded that FERC’s Letter
advocating this interpretation was not entitled to deference under Chevron and Auer, we
should still defer. In support of this conclusion, the dissenting opinion relies on a dissent from
an en banc opinion of this court, Castellanos–Contreras v. Decatur Hotels, LLC, 
622 F.3d 393
,
397 (5th Cir. 2010) (en banc), and our decision in Elgin Nursing & Rehabilitation Center v.
U.S. Dep’t of Health & Human Servs., 
718 F.3d 488
, 492 (5th Cir. 2013). A dissenting opinion
is, of course, not binding. Elgin did not address the issue of whether a party may concede that
an interpretation is not entitled to deference. Instead, the court in Elgin gave an
interpretation the proper level of deference when the two parties disagreed on the appropriate
level of 
deference. 718 F.3d at 492
. We therefore see no reason why we should not accept
Exelon’s concession here.
       16
           While the Supreme Court’s decision in Brand X specifically addressed Chevron
deference, our sister circuits have applied this same framework when interpreting regulations.
See, e.g., Levy v. Sterling Holding Co., LLC, 
544 F.3d 493
, 502 (3d Cir. 2008) (“We see no
reason why these principles should not apply equally to the interpretation of a regulation.”).

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                                 No. 12-51228

      If FERC had determined it necessary to set more specific guidelines
      concerning [Legally Enforceable Obligations], it could have done so.
      For example, the FERC regulations could have mandated that the
      [Qualifying Facilities] must be able to lock in purchase rates with a
      [Legally Enforceable Obligation] prior to construction of a facility.
      The plain text of the FERC regulation, however, fails to mandate
      that requirement. Rather, defining the parameters for creating a
      [Legally Enforceable Obligation] is left to the states and their
      regulatory agencies.
Power Resource 
III, 422 F.3d at 239
(emphasis added).
      Our approach does not, as the dissenting opinion argues, “flip[] Brand X
on its head.” Dissent at 21. Rather, it is a straight-forward application of the
doctrine, which is consistent with the way in which this court and our sister
circuits have applied the decision. See Burks v. United States, 
633 F.3d 347
, 360
(5th Cir. 2011); Tran v. Mukasey, 
515 F.3d 478
, 484 (5th Cir. 2008); Sierra Club
v. Envt’l Prot. Agency, 
479 F.3d 875
, 880–84 (D.C. Cir. 2007) (vacating an EPA
rule that conflicted with circuit precedent and explaining that the EPA “must
obey the Clean Air Act as written by Congress and interpreted by this court”).
      Our decision is also consistent with the approach used in cases where our
sister circuits have previously interpreted statutes and regulations to be
ambiguous, and thus deferred to the agency’s interpretation following the
Supreme Court’s ruling in Brand X, 
545 U.S. 967
. In those cases, the courts
emphasize that their prior decisions also noted ambiguity in the text at issue.
See, e.g., Garfias–Rodriguez v. Holder, 
702 F.3d 504
, 512 (9th Cir. 2012) (“We
wrote in Acosta that ‘[t]he statutes involved do not clearly indicate whether the
inadmissibility provision or the penalty-fee adjustment of status provision
should take precedence,’ and reached our conclusion by relying heavily on our
earlier Perez–Gonzalez decision.”); Hernandez–Carrera v. Carlson, 
547 F.3d 28
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                                  No. 12-51228

1237, 1245 (10th Cir. 2008) (“The Supreme Court has twice explicitly found the
statute to be ambiguous.”); Fernandez v. Keisler, 
502 F.3d 337
, 347–48 (4th Cir.
2007) (“We thus do not hold that a court must say in so many magic words that
its holding is the only permissible interpretation of the statute in order for that
holding to be binding on an agency. In many instances, courts were operating
without the guidance of Brand X, and yet the exercise of statutory interpretation
makes clear the court’s view that the plain language of the statute was
controlling and that there existed no room for contrary agency interpretation.”);
Dominion Energy Brayton Point, LLC v. Johnson, 
443 F.3d 12
, 17 (1st Cir. 2006)
(“The short of it is that the Seacoast court, faced with an opaque statute, settled
upon what it sensibly thought was the best construction of the Clean Water Act’s
‘public hearing’ language.”); Levy v. Sterling Holding Co., LLC, 
544 F.3d 493
, 503
(3d Cir. 2008) (explaining that in the prior case “we struggled to divine their
applicability to the instant fact pattern. . . . [and] repeatedly noted the lack of
clear guidance in the text or elsewhere regarding whether and to what extent
reclassifications fell within the Rule’s scope”); see also Note, Implementing
Brand X: What Counts as a Step One Holding?, 119 Harv. L. Rev. 1532, 1538
(2006) (discussing the possible ways to implement Brand X). In contrast to these
cases, in Power Resource III we determined that the “plain text” of FERC’s
Regulation allowed the PUC to limit the situations in which Qualifying Facilities
can form Legally Enforceable Obligations.          Thus, under Brand X, the
interpretation put forward by Exelon would not be entitled to deference even if
counsel had not conceded this point at oral argument.
      Even assuming arguendo that this prior interpretation left room for
discretion, an agency is not entitled to deference when it offers up an


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                                        No. 12-51228

interpretation of the Regulation that we have already said to be unambiguously
foreclosed by the regulatory text. See 
Christensen, 529 U.S. at 588
(“Auer
deference is warranted only when the language of the regulation is ambiguous.”).
This court has already determined that FERC’s Regulation unambiguously “left
[it] to the states and their regulatory agencies” to “defin[e] the parameters for
creating a Legally Enforceable Obligation.” Power Resource 
III, 422 F.3d at 239
.
We therefore accord no deference to the interpretation in FERC’s Letter.
       Contrary to the dissenting opinion’s claim, we are not substituting our own
reading of the regulation for FERC’s here. Nor are we deferring “based on
nothing more than the state regulatory authority’s say-so.” Dissent at 1.
Instead, we are deferring to the PUC’s official interpretation of the Regulation
in a promulgated state regulation because our precedent requires us to defer to
the PUC on this particular issue, and prevents us from deferring to Exelon’s
proffered interpretation. Like FERC, the PUC too has a great deal of expertise.
Indeed, Texas is rather unique in that it runs its own electric grid. Even if that
were not the case, Congress delegated the authority to make this call to the
PUC.
                                               C.
       The reading advocated by Exelon would also render PURPA subsection
(d)(1) superfluous.17 Subsection (d)(1) of FERC’s Regulation allows a Qualifying
Facility to provide power to the utility only on an as-available basis, and


       17
         Here, Exelon has not given an adequate explanation for what independent role (d)(1)
could play under its interpretation of the Regulation. Only the dissenting opinion offers some
explanation of what role (d)(1) might serve under Exelon’s interpretation. We cannot
determine that a provision is not rendered superfluous by a party’s reading simply because
there may be some theoretical situation, not identified or even articulated by either party, that
would give it effect.

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                                  No. 12-51228

requires the Qualifying Facility to price the power at the moment of delivery.
Id. § 292.304(d)(1).
Subsection (d)(2) gives a Qualifying Facility this exact same
option to sell power to the utility on an as-available basis, and also provides a
Qualifying Facility with a second option to choose to fix the price “at the time the
obligation is incurred.”
      Under the reading advocated by Exelon and adopted by the district court,
every Qualifying Facility must have the option to form a Legally Enforceable
Obligation, and thus to select between the two pricing options available under
subsection (d)(2). If every Qualifying Facility may take advantage of the choice
provided by subsection (d)(2), it is hard to understand why Congress or FERC
would also include a separate subsection limiting Qualifying Facilities to one
pricing option. Exelon’s “reading is thus at odds with one of the most basic
interpretive canons, that a statute should be construed so that effect is given to
all its provisions, so that no part will be inoperative or superfluous, void or
insignificant.” Corley v. United States, 
556 U.S. 303
, 314 (2009) (internal
quotation marks and brackets omitted). When presented with two plausible
readings of a regulatory text, this court common-sensically follows the same
principle and prefers the reading that does not render portions of that text
superfluous. See Nat’l Ass’n of Home 
Builders, 551 U.S. at 668
(“But this
reading would render the regulation entirely superfluous.”); see also Antonin
Scalia & Bryan A. Garner, Reading Law: The Interpretation of Legal Texts 174
(2012) (“If possible, every word and every provision is to be given effect (verba
cum effectu sunt accipienda). None should be ignored. None should needlessly
be given an interpretation that causes it to duplicate another provision or to
have no consequence.” (footnote omitted)).


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                                       No. 12-51228

       In contrast, the PUC’s reading of the provisions gives effect to both
subsections: Only if a Qualifying Facility can guarantee a particular quantity of
power at a particular time can it take advantage of the additional pricing option
under subsection (d)(2). Occidental notes that this reading also supports the
congressional intent that rates under PURPA “shall be just and reasonable to
the electric consumers of the electric utility and in the public interest.” 16
U.S.C. § 824a-3(a)(2), (b)(1). According to Occidental, a Legally Enforceable
Obligation requires a utility to purchase power at rates set potentially years in
advance, and as a result, the utility needs to know that the promised power
actually will be produced and readily available. Otherwise, the utility would be
unable to determine how much additional power it must arrange to purchase to
meet its requirements without paying a premium for last-minute purchases.
Because only firm power Qualifying Facilities can provide that kind of certainty,
it makes sense that only they should be able to select between the rate options.18
                                             D.
       In sum, Exelon has failed to show that PURPA and FERC’s Regulation
mandate that all Qualifying Facilities be able to create Legally Enforceable
Obligations at any time. Power Resource 
III, 422 F.3d at 238
. PURPA allows
states discretion in determining when a Legally Enforceable Obligation is
created, and PUC Rule 25.242 falls within that discretion. See 
id. at 239.
The
PUC is therefore entitled to deference in defining the parameters for creating
Legally Enforceable Obligations. 
Id. at 236.
Here, the PUC has reasonably
distinguished between Qualifying Facilities that can, and cannot, provide firm

       18
           Indeed, as Occidental notes, the PUC is far from alone in requiring a Qualifying
Facility to deliver firm power in order to form a Legally Enforceable Obligation. According to
Occidental, seven other states place similar requirements on Qualifying Facilities.

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                                 No. 12-51228

power. As Occidental notes, mandatory long-term contracts between generators
and utilities can burden customers by imposing prices well above the actual
market prices. The PUC made a reasonable decision that only those Qualifying
Facilities capable of providing reliable and predictable power may enter into
such arrangements. Thus, Exelon has not proven that the PUC failed to
implement FERC’s PURPA regulations.
                                      IV.
      We VACATE the portion of the judgment regarding Exelon’s challenge to
the PUC Order and direct the district court to dismiss for want of subject matter
jurisdiction. As to the remaining claims, we REVERSE and REMAND for
proceedings consistent with this decision.




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                                  No. 12-51228

EDWARD C. PRADO, Circuit Judge, concurring in part and dissenting in part:
      I concur in the majority’s carefully reasoned jurisdictional analysis. But
I have serious reservations about the majority’s arguments on the merits, and
I must therefore respectfully dissent. The effect of the majority’s opinion is to
undermine an important federal program that promotes renewable energy. The
majority rejects the considered view of the federal agency that authored the
regulation in question and that enforces the program, based on nothing more
than the state regulatory authority’s say-so.         In doing so, the majority
contravenes established principles of interpretation and administrative law and
disrupts the scheme that Congress intended.
      This case concerns the distinct roles Congress gave to federal and state
regulatory authorities in Section 210 of Title II of the Public Utility Regulatory
Policies Act of 1978 (“PURPA”). Pub. L. 95-617, 92 Stat. 3117, 3144. PURPA
gave the Federal Energy Regulatory Commission (“FERC”) authority to
promulgate rules “to encourage cogeneration and small power production”
including rules that “require electric utilities to offer to . . . purchase electric
energy from such facilities.” 16 U.S.C. § 824a-3(a). PURPA in turn provided
that “each State regulatory authority shall . . . implement [any] rule [prescribed
by FERC under § 824a-3(a)].” 
Id. § 824a-3(f).
      PURPA not only divided the tasks of regulation and implementation
between federal agencies and states respectively; it also divided authority to
challenge and review those implementation schemes. On one hand, PURPA
makes state courts the avenue for judicial review of “any proceeding conducted
by a State regulatory authority . . . for purposes of implementing any
requirement of a [FERC] rule.” 16 U.S.C. § 824a-3(g)(1)–(2) (cross-referencing 16


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                                    No. 12-51228
U.S.C. § 2633); 16 U.S.C. § 2633 (“Any person . . . may obtain review of any
determination made under [certain provisions] . . . in the appropriate state
court.”).   On the other hand, PURPA authorizes FERC to “enforce the
requirements of [the state implementation provision]” by way of “an action
against the state regulatory authority . . . for failure to comply” with the
implementation requirements. 
Id. § 824a-3(h)(2)(A).
In addition, PURPA
entitles electric utilities and small power producers to petition FERC “to enforce
the requirements of [the state implementation provision].” 
Id. § 824a-3(h)(2)(B).
If FERC declines to use its enforcement authority within sixty days, “the
petitioner may bring an action in the appropriate United States district court to
require such State regulatory authority . . . to comply with [the implementation]
requirements,” and FERC may intervene as of right. 
Id. These interlocking
components of PURPA—ordering FERC to prescribe
rules, giving state regulatory authorities control over implementation of those
rules, and empowering FERC to enforce state compliance with the FERC
rules—provide the framework for this dispute. Here, FERC mandated that
“[e]ach qualifying facility1 shall have the option . . . to provide energy or capacity
pursuant to a legally enforceable obligation.” 18 C.F.R. § 292.304(d)(2). The
Public Utility Commission of Texas (“PUC”) implemented that regulation by
permitting only some qualifying facilities to enter into a legally enforceable
obligation. 16 Tex. Admin. Code § 25.242(c) (“PUC Rule 25.242”). In response
to Appellees’ (collectively, “Exelon”) petition for enforcement, FERC issued a
declaratory order (“Declaratory Order”) finding that the PUC failed to



      1
        That is, each cogenerator and small power producer that FERC finds meets certain
operating and efficiency standards under 18 C.F.R. §§ 292.203–07.

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                                  No. 12-51228
implement its rule: “we find that . . . the requirement in Texas law that legally
enforceable obligations are only available to sellers of ‘firm power,’ as defined by
Texas law, [is] inconsistent with PURPA and our regulations implementing
PURPA, particularly section 292.304(d) of our regulations.” JD Wind 1, LLC,
129 FERC ¶ 61,148 (Nov. 19, 2009).
      The majority diverges from the detailed reasoning of the district court,
which, like FERC, had found that the PUC had failed to implement the
regulation. In doing so, the majority departs from the plain language of the
regulation, which mandates that every qualifying facility shall have the option
to form legally enforceable obligations. PUC Rule 25.242 deprives qualifying
facilities of that option and therefore is inconsistent with the regulation. Even
if the regulation did not plainly bar the PUC’s regulation, the majority also errs
by refusing to defer to the FERC’s expert interpretation of its own regulation.
                                I. DISCUSSION
      We review a district court’s interpretation of a federal regulation de novo.
The starting point for our court’s analysis is to apply standard interpretive
principles to determine whether FERC (in its rule) or Congress (in PURPA) have
spoken directly to the precise issue in question. See Talk Am., Inc. v. Mich. Bell
Tel. Co., 
131 S. Ct. 2254
, 2260 (2011) (first analyzing whether a “statute or
regulation squarely addresses” the issue in that case); Chase Bank USA, N.A. v.
McCoy, 
131 S. Ct. 871
, 878 (2011) (same); cf. Chevron U.S.A., Inc. v. Natural
Resources Defense Council, Inc., 
467 U.S. 837
, 842–43 (1984) (asking at the first
step “whether Congress has directly spoken to the precise question at issue” or
whether the statute is ambiguous). To ascertain whether the regulation has
spoken unambiguously to the question at issue, the court “avail[s itself] of the
traditional means of statutory interpretation, which include the text itself, its

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                                     No. 12-51228
history, and its purpose.” See Bellum v. PCE Constructors, Inc., 
407 F.3d 734
,
739 (5th Cir. 2005) (citing Gen. Dynamics Land Sys., Inc. v. Cline, 
540 U.S. 581
,
600 (2004)).
      If the regulation is silent or ambiguous—that is, it does not answer the
precise question at issue—after using ordinary tools of statutory interpretation,
our court then must confront a difficult issue of deference doctrine: where
Congress has given important roles to both a federal agency and state regulatory
authorities, and those federal and state agencies offer conflicting interpretations
of the federal regulation, to which agency, if any, should we defer?2 We typically
defer to a federal agency’s reasonable interpretation of its own regulation. But
the Appellants and the majority assume that the discretion afforded state
regulatory authorities in implementing the regulation suggests that they
deserve the deference, not FERC.
      As I explain below, we ought to give FERC deference because FERC is the
author of the regulation at issue and the structure of PURPA suggests
Congress’s intent to let FERC’s interpretations of its own regulation trump the
state’s. Yet, to be sure, we do not need to reach this question of deference
because the regulation’s plain language bars the PUC’s interpretation.
                                  II. “STEP ONE”
      PURPA required FERC to promulgate rules that “require electric utilities
to offer to . . . purchase electric energy from such facilities.” 16 U.S.C. § 824a-
3(a). The statute did not do any more to describe the regulatory scheme that

      2
          As one scholar recently observed, “State implementation of federal law is
commonplace, but has been largely ignored by the interpretive doctrines of legislation and
administrative law.” See Abbe R. Gluck, Intrastatutory Federalism and Statutory
Interpretation: State Implementation of Federal Law in Health Reform and Beyond, 121 Yale
L.J. 534, 534 (2011).

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                                  No. 12-51228

would give effect to this mandatory purchase provision, leaving FERC to work
out the details. FERC, pursuant to its delegated authority, issued the following
regulation:
      Each qualifying facility shall have the option either:
        (1) To provide energy as the qualifying facility determines such
            energy to be available for such purchases, in which case the
            rates for such purchases shall be based on the purchasing
            utility's avoided costs calculated at the time of delivery; or
        (2) To provide energy or capacity pursuant to a legally
            enforceable obligation for the delivery of energy or capacity
            over a specified term, in which case the rates for such
            purchases shall, at the option of the qualifying facility
            exercised prior to the beginning of the specified term, be
            based on either:
              (i) The avoided costs calculated at the time of delivery; or
              (ii) The avoided costs calculated at the time the obligation
                   is incurred.
18 C.F.R. § 292.304(d).
      A.      All Qualifying Facilities Are Entitled to Create Legally
              Enforceable Obligations.
      The key phrase in dispute is “Each qualifying facility shall have the option
. . . [t]o provide energy . . . pursuant to a legally enforceable obligation.” The
majority looks at that phrase and concludes that “the plain text of the FERC
regulation fails to mandate that all Qualifying Facilities be allowed to form
legally enforceable obligations.” Majority op. at 26 (citation and internal
quotation marks omitted). I strongly disagree.
      FERC spoke “in terms of the mandatory ‘shall,’ which normally creates an
obligation impervious to judicial discretion.” Lexecon Inc. v. Milberg Weiss
Bershad Hynes & Lerach, 
523 U.S. 26
, 27 (1998); see, e.g., Nat’l Ass’n of Home
Builders v. Defenders of Wildlife, 
551 U.S. 644
, 661–62 (2007) (language in the

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                                   No. 12-51228

Clean Water Act that EPA “shall approve” an application was mandatory and
removed EPA’s discretion not to approve the applications); Black’s Law
Dictionary 1375 (9th ed. 2009) (noting that it is the “mandatory sense [of ‘shall’]
that drafters typically intend and that courts typically uphold”). The majority
points to no argument that would alter this presumption of a mandate.
      The terms of this mandate require the state regulatory authority to
preserve an option belonging to each qualifying facility to form a legally
enforceable obligation. The option belongs to each qualifying facility, which
means that it belongs to “every” qualifying facility. See Sierra Club v. EPA, 
536 F.3d 673
, 678 (D.C. Cir. 2008) (“‘Each’ means ‘[e]very one of a group considered
individually.’” (quoting American Heritage Dictionary 269 (4th ed. 2001))). Every
qualifying facility “ha[s]” the option; not the state regulatory authority. Thus,
the state regulatory authority may not make the choice for each qualifying
facility. See 45 Fed. Reg. 12,214, 12,224 (1980) (“The Commission intends that
rates for purchases be based, at the option of the qualifying facility, on either the
avoided costs at the time of delivery or the avoided costs calculated at the time
the obligation is incurred.” (emphasis added)).
      Additionally, the option guarantees the ability to form a legally
enforceable obligation. The term “legally enforceable obligation” is scarcely
defined, and the majority assumes that this ambiguity means that the regulation
does not precisely answer the question at issue. But this ambiguity does not
alter in any way the regulation’s mandate.           Whatever the term “legally
enforceable obligation” might mean is irrelevant, so long as each qualifying
facility has the option to form one. From this fact we can also infer that any
definition of “legally enforceable obligation” that undermines the mandate is not


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                                  No. 12-51228

permitted. So, since Qualifying facilities may include wind power producers, see
18 C.F.R. § 292.204(a)–(b) (covering small power producers whose primary
energy source is renewable resources, including wind), and the PUC Rule defines
“legally enforceable obligation” so that those producers cannot claim that
entitlement, the PUC’s definition of “legally enforceable obligation” violates the
clear mandate. If FERC had intended categorically to limit the mandatory
option, it would not have used terms such as “each” and “shall.”
      B.    The PUC Firm-Power Rule Makes Some Qualifying Facilities
            Ineligible to Form Legally Enforceable Obligations.
      As the majority states, “the PUC’s rule implementing FERC’s Regulation
permits only a Qualifying Facility that generates ‘firm power’ to enter into a
Legally Enforceable Obligation.” Majority op. at 5 (citing PUC Rule 25.242).
That alone should be enough to conclude that the PUC rule “fail[s] to comply”
with the implementation requirements imposed on it by PURPA. See 16 U.S.C.
§ 824a-3(f), (h)(2)(A). Because the mandatory option is the linchpin of the
regulation and the PUC Rule categorically bars some qualifying facilities from
exercising their mandated option, I would conclude that the PUC regulation
conflicts with the unambiguous terms of the regulation.
      The majority says that “there is no FERC Regulation or PURPA provision
specifically addressing whether non-firm energy providers may form Legally
Enforceable Obligations.” Majority op. at 23. But this reading overlooks the
term “each,” which plainly means any and every qualifying facility. Since every
qualifying facility may form legally enforceable obligations, the regulation does
not need to specify which qualifying facilities, be they firm or non-firm, may form
them. It would be an illogical and inconsistent result, then, to read “each” as
meaning only “firm-power.”

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                                   No. 12-51228

      Finally, our interpretation of the regulation should give effect to the
purposes of the statute. Congress identified a problem: electric utilities were
monopsonies, lone buyers of energy in a market with many potential producers
of energy, and “traditional electricity utilities were reluctant to purchase power
from . . . nontraditional facilities.” FERC v. Mississippi, 
456 U.S. 742
, 750
(1982). Congress sketched out a bold solution to that problem—mandatory
purchases of energy by electrical utilities from qualifying facilities, 16 U.S.C.
§ 824a-3(a)—and asked FERC to promulgate rules to that effect. FERC chose
a scheme that turned on making legally enforceable obligations available for
each qualifying facility. In fact, FERC recognized that to encourage that sort of
energy production, the regulations had to provide the certainty that comes with
having a long-term obligation. Thus, FERC invoked “the need for qualifying
facilities to be able to enter into contractual commitments” and “the need for
certainty with regard to return on investment in new technologies” that only
those long-term legally enforceable obligations could provide. 45 Fed. Reg. at
12,224. Giving only some of the qualified facilities the leverage to overcome the
uncompetitive monopsonies would undermine this basic purpose. It will provide
no investment certainty, and, inevitably, many developers will be unable to
produce energy using the new technologies that PURPA sought to encourage.
      The majority appears to endorse the view that a contrary purpose of the
statute should prevail: “the congressional intent that rates under PURPA ‘shall
be just and reasonable to the electric consumers of the electric utility and in the
public interest.’” Majority op. at 32 (quoting 16 U.S.C. § 824a-3(a)(2), (b)(1)). But
none of the Appellants brings a challenge to FERC’s regulation implementing
PURPA, and if there were any ambiguity about FERC’s consideration of those


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                                   No. 12-51228

views, FERC has made a permissible interpretation of the general statutory
command.     See 
Chevron, 467 U.S. at 843
.         Indeed, FERC addressed the
majority’s concerns for just and reasonable rates through an entirely different
scheme in its regulation.      FERC used the concept of “avoided costs” to
simultaneously provide nondiscriminatory pricing to the new market entrants,
the small energy producers, but also accord with market rates for electricity. See
18 C.F.R. § 292.304(a), (c) (setting guidelines for state avoided-cost rate-setting);
45 Fed. Reg. 12,222 (“The Commission has . . . provided that the rate for
purchases meets the statutory requirements [for just and reasonable rates] if it
equals avoided costs.”).
      The idea that the court can read FERC’s regulation as violating the terms
of the statute—but for the saving interpretation that Occidental offers—runs
contrary to the Chevron canon. It is inappropriate for the court to assert that
“[b]ecause only firm power Qualifying Facilities can provide that kind of [cost]
certainty, it makes sense that only they should be able to select between the rate
options.” Majority op. at 32. It may “make[] sense” to us lay judges, though I
tend to think not.      But it makes as much sense to do as FERC has
done—namely, to provide every qualifying facility with the option to enter into
a legally enforceable obligation and trust that “in the long run, ‘overestimations’
and ‘underestimations’ of avoided costs will balance out.” 45 Fed Reg. 12,224.
The point is, though, that it really is not for a court to say. Congress delegated
the authority to weigh these considerations to an expert agency. Only by
displacing FERC’s role as Congress’s delegatee and going beyond the issue in
dispute can the court offer its merely plausible reading of statutory language
and conclude that FERC is doing it wrong.


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                                  No. 12-51228

                              III. “STEP ZERO”
      Supposing that we could get past the mandatory language of the statute,
I would still find that the district court properly adopted FERC’s view of its own
regulation. The majority would have us upset this basic doctrine of agency
deference because the PUC enjoys some discretion in implementing FERC
regulations. The majority’s conclusion that the PUC acted within its discretion
to answer the supposedly ambiguous question in this case lacks foundation. But
it is worth first examining the hard issue of first impression this case actually
creates and why, nevertheless, deference to FERC makes sense.
      A.    The Court Should Defer to FERC’s Interpretation of Its Own
            Regulation, Even Under PURPA’s Cooperative Federalism
            Scheme.
      It is well-established that a federal agency’s interpretation of its own
regulation “‘becomes of controlling weight unless it is plainly erroneous or
inconsistent with the regulation.’” Elgin Nursing & Rehab. Ctr. v. U.S. Dep’t of
Health & Human Servs., 
718 F.3d 488
, 492 (5th Cir. 2013) (quoting Bowles v.
Seminole Rock & Sand Co., 
325 U.S. 410
, 414 (1945)); see also Auer v. Robbins,
519 U.S. 452
, 461 (1997). Indeed, Seminole Rock and Auer dictate deference to
the federal agency’s interpretation of its own regulation even when that agency’s
interpretation is made informally. Elgin 
Nursing, 718 F.3d at 493
(“This court
and others have held that opinion letters, handbooks and other published
declarations of an agency’s views, including amicus briefs, are authoritative
sources of the agency’s interpretation of its own regulations.” (citations and
internal quotation marks omitted)). Therefore, if 18 C.F.R. § 292.304(d) really
were ambiguous, FERC’s interpretation of that regulation in its 2009
Declaratory Order would ordinarily control our court’s interpretation “unless it

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                                       No. 12-51228

is plainly erroneous or inconsistent with the regulation.”
       If a statute entitles two agencies to take administrative actions based on
promulgated regulations under the statute and those agencies come to
conflicting interpretations of the regulation, we must ask a prior question: To
which agency did the statute give “the power to render authoritative
interpretations of [the] regulations”? Martin v. Occupational Safety & Health
Review Comm’n, 
499 U.S. 144
, 152 (1991). To answer that question, courts
must “infer from the structure and history of the statute” which agency should
be the primary interpreter of the regulations.3 
Id. In Martin
, the court examined the split-enforcement scheme Congress
created under the Occupational Safety and Health Act (“OSH Act”). The OSH
Act entrusted the Secretary of Labor with“responsibility for setting and
enforcing workplace health and safety standards,” but delegated authority the
Occupational Safety and Health Review Commission to adjudicate disputes,
including employer challenges to the Secretary’s enforcement actions. See 
id. at 3
         The Martin test parallels the Supreme Court’s Chevron “Step Zero” analysis, which
asks whether Congress delegated authority to make interpretations carrying the force of law.
See United States v. Mead, 
533 U.S. 218
, 226–27 (2001); see also 
Gluck, supra, at 599
(“An
extension of Mead, or something like it, to include state implementers—that is, to take into
account the specific ways that Congress utilizes state implementers to determine the level of
deference the various concurrent implementers should receive—may not be a radically
different approach than the one currently in use.”); Jacob E. Gersen, Overlapping and
Underlapping Jurisdiction in Administrative Law, 2006 Sup. Ct. Rev. 201, 219, 223–24
(stating that deference questions in a statute administered by multiple agencies is “best
treated as a Step Zero inquiry” and discussing Martin as an illustration of that inquiry).
Under that analysis, courts determine where to place a single agency’s interpretation of a
statute along a spectrum of deference. See 
Mead, 533 U.S. at 236
–37. Courts look for that
“[d]elegation of [interpretive] authority . . . in a variety of ways, as by an agency’s power to
engage in adjudication or notice-and-comment rulemaking, or by some other indication of a
comparable congressional intent.” 
Id. at 227.
The analysis, then, is attentive to the structure
and text of each specific statute.

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                                  No. 12-51228

147–48 (citing 29 U.S.C. §§ 651(b)(3), 658–661, 665, and 666). If the Commission
ruled against the Secretary, the Secretary had “the right to seek review of [the]
order in the court of appeals.” 
Id. at 148.
      Faced with an appeal in which the Commission and the Secretary offered
conflicting interpretations of an OSH Act regulation, the Martin Court held that
the Secretary deserved the deference. 
Id. at 152.
The Court placed heavy
emphasis on the fact that the Secretary—as the head of the agency that
promulgates the standards—was “in a better position than . . . the Commission
to reconstruct the purpose of the regulations in question.” 
Id. In addition,
the
Court found that “by virtue of the Secretary’s statutory role as enforcer, the
Secretary comes into contact with a much greater number of regulatory
problems than does the Commission,” which adjudicated episodically based only
on contested enforcement actions. 
Id. Thus, the
Court concluded that the
Secretary should enjoy primary interpretive authority due to the agency’s
“historical familiarity and policymaking expertise,” 
id. at 152,
and courts “should
defer to the Secretary [to the extent] the Secretary’s interpretation is
reasonable,” 
id. at 158
(emphasis omitted).
      Martin’s statute-specific analysis should guide our analysis of the
deference dilemma here. Like the delegation to the Secretary under the OSH
Act, PURPA placed FERC in charge of writing rules and enforcing them. See 16
U.S.C. § 824a-3(a), (h)(1). In particular, 16 U.S.C. § 824a-3(h) (“Commission
enforcement”) empowered FERC to “enforce the requirements of [the state
implementation provision]” when a state has “fail[ed] to comply” with the




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                                        No. 12-51228

implementation requirements. See 
id. § 824a-3(h)(2).4
       Congress apparently did not just want FERC to provide its views on its
regulation through enforcement actions; PURPA also confers on FERC an
entitlement to intervene as of right in a petitioner’s federal court action even
when FERC did not use its discretionary enforcement power.                          
Id. State regulatory
authorities have no analogous role to either the Commission or the
Secretary in Martin. Whereas the Commission in Martin had the power to hear
and decide cases brought against the Secretary, a state regulatory authority
enjoys no equivalent adjudicative authority.                   Instead, state regulatory
authorities have a unique mandate to implement the FERC regulations through
their own chosen state mechanisms. See FERC v. 
Mississippi, 456 U.S. at 760
;
see also 16 U.S.C. § 824a-3(f). In addition, state regulatory authorities may
defend as-applied challenges to their implementation plans in state court
actions, but, under federal law, they enjoy neither a special adjudicative or
enforcement power. See 16 U.S.C. § 824a-3(g).
       This scheme strongly indicates that “the power to render authoritative
interpretations of [PURPA] regulations is a ‘necessary adjunct’ of [FERC’s]
powers to promulgate and to enforce national . . . standards.” See Martin, 499



       4
          In addition, although Martin did not require it, we might expect to only give deference
to an agency interpretation when it colors inside the boundaries Congress gave it—i.e., when
it is within the scope of its delegation. 
Mead, 533 U.S. at 227
. With regard to its enforcement
powers, FERC has reasonably interpreted its enforcement power to include the ability “to
terminate a controversy or remove uncertainty” through the use of declaratory orders.
18 C.F.R. § 385.207(a) (interpreting enforcement authority under the Federal Power Act); see
16 U.S.C. § 824a-3(h)(2)(A) (directing FERC to enforce state implementation of its rules as a
“rule enforceable under the Federal Power Act”). Therefore, FERC’s Declaratory Order is a
valid exercise of FERC’s enforcement powers under the theory that the greater enforcement
power necessarily includes the lesser authority to issue declaratory orders.

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                                 No. 12-51228

U.S. at 152. FERC is the author of the regulations it is asked to interpret and
enforce, and FERC is thus in a “better position than” the PUC to say what those
regulations mean. 
Id. We have
said before that this authorship rationale is
“[t]he most important reason for extending greater deference” to an agency’s
informal interpretation of its own regulation under the Auer doctrine. Belt v.
EmCare, Inc., 
444 F.3d 403
, 416 n.35 (5th Cir. 2006). Nothing about PURPA’s
cooperative federalism scheme detracts from this crucial reason for deference to
the promulgating agency.
      The layered design of the enforcement provisions further points to FERC’s
leading interpretive role. Although PURPA specifically provided a special
implementation role for state regulatory authorities, PURPA gave FERC a
trump card when it permitted FERC to bring enforcement actions against state
regulatory authorities that had “fail[ed] to comply” with FERC regulations. It
would be odd indeed for Congress to give FERC the power to bring enforcement
actions against state regulatory authorities, only to let FERC lose every action
because Congress had supposedly intended states, not FERC, to have
interpretive authority. Such an outcome would nullify FERC’s enforcement
power and upset the “multi-layered enforcement” scheme PURPA devised.
Congress appears to have intended for FERC’s interpretation, not the PUC’s, to
have the upper hand. Here, that means we should give controlling weight to
FERC’s reasonable interpretation of its own regulation.
      What mitigates the effect of this FERC trump for the PUC is the latitude
that FERC has granted state agencies “in determining the manner of
implementation of [FERC’s] rules, provided that the manner chosen is
reasonably   designed   to   implement     the   requirements    of   [18   C.F.R.


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                                  No. 12-51228

§§ 292.301–14].” 45 Fed. Reg. at 12,230–31. FERC did so with a sense that
states could use discretion to implement better policies. FERC noted the context
of “economic and regulatory circumstances [that] vary from State to State and
utility to utility” and “recogni[zed] the work already begun and . . . the variety
of local conditions.” 
Id. at 12,231.
The Supreme Court ratified that “latitude”
language in FERC v. 
Mississippi, 456 U.S. at 751
. Congress also expected
meaningful interaction between state regulatory authorities and FERC, since
PURPA instructed FERC to consult with state regulatory authorities before
issuing regulations. See 16 U.S.C. § 824a-3(a) (“Such rules shall be prescribed,
after consultation with representatives of Federal and State regulatory agencies
having ratemaking authority for electric utilities, and after public notice and a
reasonable opportunity for interested persons (including State and Federal
agencies) to submit oral as well as written data, views, and arguments.”).
      In light of FERC’s stated position, our court has previously said that “[w]e
review the PUC’s implementation with deference because ‘[a] state has broad
authority to implement PURPA with respect to the approval of purchase
contracts between utilities and QFs.’” Power Resource 
III, 422 F.3d at 236
(quoting N. Am. Natural Res., Inc. v. Mich. Pub. Serv. Comm’n, 
73 F. Supp. 2d 804
, 807 (D. Mich. 1999)). Or, as we summarized it elsewhere, the state
regulatory authorities exercise their discretion in “setting the specific
parameters” on when and how legally enforceable obligations may be formed.
Id. at 238
(citing FERC declaratory orders that permitted state discretion in
defining parameters of legally enforceable obligations); 
id. at 239
(referring to
the discretion that “FERC has given” state regulatory authorities).
      This discretion is limited, though, and, in any case, it tells us little about


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                                  No. 12-51228

which agency Congress wanted to speak with the force of law. Generally,
implementation discretion is limited by the requirement that the chosen means
of implementation are “reasonably designed to give effect to FERC’s rules.”
FERC v. 
Mississippi, 456 U.S. at 751
. In addition, in some cases, PURPA gave
exclusive control to FERC to implement some rules. In Power Resource III, for
example, the court acknowledged that PURPA gave an exclusive grant of
authority to FERC over rules on the certification of qualifying 
facilities. 422 F.3d at 236
n.2.; see also Indep. Energy Prods. Ass’n, Inc. v. Cal. Pub. Utils.
Comm’n, 
36 F.3d 848
, 853–54 (9th Cir. 1994) (“The structure of PURPA and
[FERC]’s regulations[] reflect Congress’s express intent that [FERC] exercise
exclusive authority over QF status determinations.”).
      B.    The Majority’s Reasons Do Not Support Deferring to the
            PUC.
      I am unconvinced by the majority’s reasons for deferring to the PUC’s
interpretation of the FERC regulations.
            1.    No FERC Interpretation
      The majority opines that there is no FERC interpretation to interpret in
this case. Not so. First, while the majority opinion correctly notes that FERC
is not a party and did not take a position before our court, the fact that FERC is
not a party makes no difference. In fact, courts regularly grant deference to non-
party amici. See, e.g., Decker v. Nw. Envtl. Def. Ctr., 
133 S. Ct. 1326
, 1336–37
(2013) (giving Auer deference to the EPA’s interpretation offered in an amicus
brief). In any case, the FERC interpretation is “before our court” not only
because its Declaratory Order is in the record and has been briefed by the
parties, but also because FERC’s Declaratory Order was the jurisdictional
prerequisite for the case even coming to our court. See Power Resource III, 422

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                                       No. 12-51228

F.3d at 235 (“If FERC does not bring an enforcement action within 60 days
following the date on which a petition is filed, the utility or qualifying facility
may bring an enforcement action in federal district court.” (quoting 16 U.S.C.
824a-3(h)(2)(B))).
       Also note that if the court required that the interpretation be argued by
a party “before our court,” we would actually lack a PUC interpretation, too.
Before our court, the PUC has notably abandoned the interpretation of the
FERC regulation that it made in the district court, instead relying entirely on
the now-repudiated argument that our court lacks jurisdiction. It would seem
a double standard for the majority to rely on this argument to negate FERC’s
interpretation while preserving the PUC’s.
       Second, the majority acknowledges that FERC offered its interpretation
in its Declaratory Order, but minimizes the effect of that interpretation by
characterizing it as a “single letter”5 sent to Exelon. This misunderstands the
situation.    FERC made its Declaratory Order pursuant to its regulatory
authority. 
See supra
n.4. FERC published notice of Exelon’s predecessor’s filing
in the Federal Register, inviting interventions and protests. See JD Wind 1,
LLC, et al.; Notice for Petition for Declaratory Order, 74 Fed. Reg. 51147-02
(Oct. 5, 2009). FERC received briefing from the Appellants in that proceeding,
and also from a variety of other industry groups, renewable energy developers,
and utilities. See JD Wind 1, LLC, 129 FERC ¶ 61,148, at ¶ 61,630–32. Many
of these intervenors were under the impression that FERC’s interpretation was



       5
        The “letter” that FERC sent Exelon is also known as a “Declaratory Order”—the
preferred nomenclature. See, e.g., Indus. Cogenerators v. FERC, 
47 F.3d 1231
(D.C. Cir. 1995).


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                                      No. 12-51228

not just a one-off missive intended for a single party, but a wide-ranging policy
interpretation. See, e.g., 
id. at ¶
61,631. (“Montana Renewables states that the
Texas Commission’s interpretation of when legally enforceable obligations can
be established will negatively affect all intermittent resource QFs in the United
States.”).   Then, FERC published its interpretation in a public reporter,
available for all state regulatory authorities and regulated parties to consult.
JD Wind 1, LLC, 129 FERC 61,148 (Nov. 19, 2009). There is only a single letter
because that is how authoritative interpretations are often made.
               2.    Power Resource III
       Power Resource III does not support the majority’s holding. Two important
limitations make that case inapplicable here.              First, Power Resource III’s
statement of deference was highly context-specific.               This case is different.
Second, that case tells us nothing about which agency deserves deference where
FERC has spoken and disagrees with a state agency’s interpretation of FERC’s
regulations.
       FERC’s grant of discretion to the PUC was necessarily tied to the
particular issue in the case—conditions on the formation of legally enforceable
obligations. Every indication shows that the Power Resource III court was
careful not to overstate the scope of the PUC’s discretion. Its crucial statement
of deference, which the majority recites, accords deference only “with respect to
the approval of purchase contracts between utilities and QFs.”6 The district
court thoroughly discredited reliance on Power Resource III in its opinion below:



       6
         Even this statement of limited deference is somewhat confusing. The deference
applies to conditions on the formation of both contracts and legally enforceable obligations,
which are emphatically not contracts.

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                                  No. 12-51228

      In Power Resource [III], the Fifth Circuit considered whether [the
      PUC]’s ninety-day rule was a valid implementation of PURPA. The
      ninety-day rule simply limits when in time a LEO can be created; no
      LEO can be established more than ninety days before the QF has
      power available, or will have power available. After careful analysis,
      and noting the discretion afforded the States in determine when a
      LEO is formed, the Fifth Circuit upheld the rule. [422 F.3d] at 240.
      . . . Unlike the firm-power rule, any wind QF can comply with the
      ninety-day rule; it is simply a matter of timing. Although there are
      no doubt considerable practical expenses and difficulties involved,
      in theory any QF can comply with the ninety-day rule through
      careful planning in advance, such as in what sequence to seek
      financing, obtain permitting, and begin different phases of
      construction, in relation to when to send LEO paperwork to a
      utility. . . . By contrast, the firm-power rule is simply
      insurmountable for an entire class of QFs. No sequence of
      permitting, financing, and construction will magically transform the
      vagaries of the wind into the constant, predictable stream of energy
      demanded by the firm-power rule. As such, this case falls outside
      the scope of guidance offered by Power Resource [III].
             ....
             Put another way, Power Resource [III] reviewed [a] rule[]
      governing when and how a LEO is formed, whereas the firm-power
      rule . . . determin[es] whether some types of QF can ever obtain a
      LEO.
Exelon Wind 1, LLC v. Smitherman, 
2012 WL 4465607
at *12 (emphasis added).
The difference between that case and this one is one of kind, not degree.
      The next difference between this case and Power Resource III is just as
remarkable and legally significant. In Power Resource III, FERC did not offer
its interpretation of its own regulation in response to the petitioner’s request.
Power Resource 
III, 422 F.3d at 234
(describing that “[a]fter FERC had not acted
on [Power Resource Group]’s petition for 60 days, [Power Resource Group] filed
a complaint”). Still, Power Resource III looked to (and was persuaded by) FERC


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                                 No. 12-51228

declaratory orders in determining whether it was appropriate to grant discretion
to the PUC:
      West Penn [Power Co., 71 F.E.R.C. ¶ 61,153, 61,495 (May 8, 1995),]
      and its progeny Jersey Central Power & Light Co., 73 F.E.R.C.
      ¶ 61,092, 61,297 (Oct. 17, 1995), and Metropolitan Edison Co., 72
      F.E.R.C. ¶ 61,015, 61,050 (July 6, 1995), support the proposition
      that the FERC regulations grant the states discretion in setting
      specific parameters for LEOs.
Id. at 238.
In other words, “FERC has given each state the authority to decide
when a LEO arises in that state.” 
Id. at 239
(emphasis added). Therefore, Power
Resource III does not stand for unalloyed deference to the state regulatory
authority in interpreting FERC’s regulations. At best, it stands for deference to
the state regulatory authority when FERC has taken no action and has
previously announced that it will leave an ambiguous provision to the state
agencies to interpret. FERC has offered a contrary interpretation to the PUC
here, and so Power Resource III cannot control.
      Still, Power Resource III is entirely consonant with the Martin analysis
laid out above. The Power Resource III court made its deference determination
contingent on whether Congress and FERC intended for the state to make an
authoritative interpretation and whether the state acted within the scope of that
delegation. In particular, Power Resource III considered the structure of the
statute, see 
id. at 236
n.2, and FERC’s own position that defining the parameters
of LEO formation was within the state’s discretion, 
id. at 238.
Based on those
considerations, the court necessarily concluded that the state had been assigned
the role of chief implementer and chief interpreter of those particular rules.
Adopting the “Step Zero”-like Martin framework merely makes explicit our
underlying considerations of Power Resource III, and it explains why this case

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                                   No. 12-51228

is different.
                3.   Brand X
      In rejecting Auer deference for FERC’s Declaratory Order, the majority
invokes the Brand X doctrine even though it is inapposite. See Nat’l Cable &
Telecomms. Ass’n v. Brand X Internet Servs., 
545 U.S. 967
, 980–86 (2005). That
case held that “[a] court’s prior construction of a statute trumps an agency
construction otherwise entitled to Chevron deference only if the prior court
decision held that its construction follows from the unambiguous terms of the
statute and thus leaves no room for agency discretion.” 
Id. at 982.
The majority
then asserts that Power Resource III’s “prior reading of FERC’s Regulation
unambiguously forecloses the interpretation offered by FERC.” Majority op. at
27. I disagree. As discussed above, Power Resource III answered a different
question, so even if that case did offer an unambiguous interpretation of the
regulation, that interpretation would not bind us.
      In addition, as Power Resource III states in a portion quoted in the
majority opinion, “[t]he plain text of the FERC regulation . . . fails to mandate
[the] requirement [that Power Resource Group 
sought].” 422 F.3d at 239
. In
other words, Power Resource III determined that the plain text of the FERC
regulation is silent or at least ambiguous on the issue in question. That means
quite plainly that Power Resource III’s interpretation of the regulation cannot
bar FERC’s later interpretation.
      In fact, the majority flips Brand X on its head in concluding that a prior
judicial construction, which held that the regulation is ambiguous, can be used
as a bar against deferring to a later agency construction. Brand X establishes
the opposite holding: it ensures that a later agency construction of an ambiguous


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                                   No. 12-51228

statute or regulation is entitled to deference in spite of a prior judicial opinion
that interpreted the ambiguous provision a different way. Here, the majority in
effect punishes FERC for failing to defend its (purportedly identical) position in
a prior case, but as Brand X said, “[a]gency inconsistency is not a basis for
declining to analyze the agency’s interpretation.” Brand 
X, 545 U.S. at 981
.
Ultimately, the majority’s point boils down to simply saying that a prior opinion
of this court deferred to the PUC in implementing an ambiguous regulation.
             4.    Superfluity Engendered by FERC’s Interpretation
      The next reason the majority gives for its refusal to defer to FERC is that
“the reading advocated by [FERC and] Exelon would render PURPA subsection
(d)(1) superfluous.” Majority op. at 30. The superfluity argument goes as
follows: if (d)(2) does give an advantage by permitting a qualifying facility to get
as-available prices but also an ability to lock in a buyer for a period of time, then
no qualifying facility would choose the (d)(1) route. The majority says this
reading makes (d)(1) superfluous because it is “hard to understand why” FERC
chose this bifurcated scheme for electricity sales. 
Id. at 27.
But the difficulty of
understanding     dynamic, complex, and technical fields is not a reason to
presume superfluity.
      Fundamentally, the opinion conflates the desirability of the (d)(2) option
with its necessity. That is, although forming a legally enforceable obligation is
desirable, that option is not always practically available, in which case (d)(1)
provides a complementary or second-best scheme for qualifying facilities.
Thanks in part to rules like the one our court affirmed in Power Resource III, a
legally enforceable obligation can be harder to form. Consequently, selling
power without a legally enforceable obligation can save those formation costs.


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                                     No. 12-51228

In the event that a qualifying facility begins producing energy but is barred for
ninety days from forming a legally enforceable obligation, (d)(1) would allow the
qualifying facility to begin selling its energy without waiting for the formation
of the legally enforceable obligation. So, even admitting my ignorance of the
intricacies of electricity markets, I still can confidently say that (d)(1) would not
be superfluous merely because (d)(2) is also an available option for qualifying
facilities.7
               5.   Concession by Counsel
       Finally, the majority concludes that it should not apply Auer deference to
the Declaratory Order because Exelon’s counsel conceded the point at oral
argument. Simply put, it is our job, not counsel’s, to interpret the regulation
correctly and to determine whether deference to an agency is appropriate, so
counsel’s concession is of no legal moment.
        The majority points to no case in which such a concession has mattered,
and based on my research, the concessions of parties—either challenging or
acceding to Auer deference—have never had the weight that the majority places
on Exelon’s concession. In Elgin Nursing & Rehabilitation Center, this court
noted that the party challenging a Department of Labor interpretation of its own
informal regulatory document had conceded that the DOL would enjoy Auer
deference over a reasonable 
interpretation. 718 F.3d at 492
n.5. But instead of
relying on that concession, the Elgin court concluded that the DOL
interpretation was not entitled to Auer deference because the interpretation was
of an informal regulatory document. 
Id. at 493;
see also Castellanos-Contreras


       7
        The majority acknowledges that this is a satisfactory explanation for (d)(1). See
Majority op. at 30 n.17.

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                                       No. 12-51228

v. Decatur Hotels, LLC, 
622 F.3d 393
, 401 n.8 (5th Cir. 2010) (en banc) (noting
a concession by the agency as to deference but relying on other grounds for
rejecting Auer deference).
       In sum, the majority does not provide a good reason to refuse to give
controlling weight to FERC’s interpretation of its own regulation. The majority’s
deference analysis rests on five grounds: (1) the absence of a FERC
interpretation; (2) an application of Power Resource III; (3) an extension of
Brand X analysis; (4) a superfluity argument; and (5) the concession of Exelon’s
counsel.8 As I explain above, these grounds do not give good reason to offset the
strong basis our court has for deferring to FERC. Therefore, assuming the
regulation is ambiguous on the question at issue here, I believe the better
approach would be to defer to FERC’s reasonable interpretation of its own
regulation, as stated in its Declaratory Order.
                                   IV. CONCLUSION
       The majority’s opinion does not persuade me that the regulation is
ambiguous or that we should not defer to FERC. Using standard tools of
interpretation to uncover the FERC regulation’s plain meaning, I conclude that
the PUC rule conflicts on its face with the FERC regulation. Even if the
regulation were ambiguous, I would conclude that our court should defer to
FERC’s reasonable interpretation of that regulation according to well-
established principles of administrative deference. I fear that the majority’s



       8
           The majority also rejects Auer deference to FERC on the ground that it occasions a
“shift in power [that] might raise . . . ‘troublesome’ Tenth Amendment concerns.” Majority op.
at 25–26 n.13. The majority does not elaborate on what those constitutional concerns might
be, so it is impossible for me to respond to the majority’s statement. In any case, the majority
does not rely on this constitutional avoidance argument for its deference holding.

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                                  No. 12-51228

approach will not only prevent the realization of the goals that Congress
identified when it passed PURPA; it also sets a far-reaching precedent, with the
potential to impact how we review the numerous federal programs that seek to
obtain the benefits of both state and federal participation. See, e.g., AT & T
Corp. v. Iowa Util. Bd., 
525 U.S. 366
(1999) (holding that the Federal
Communications Commission, not a state agency, had authority to interpret a
provision of the Telecommunications Act of 1996); Alaska Dep’t of Envtl.
Conservation v. E.P.A., 
540 U.S. 461
, 502 (2004) (holding that the EPA could
overrule the state agency’s construction of the term “best available control
technology” in the Clean Air Act”). For these reasons, I concur in part and
respectfully dissent in part to the majority’s opinion.




                                       58

Source:  CourtListener

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