The issue for determination in this proceeding is whether the corridor for the Seminole Plant-Keystone-JEA Firestone 230 kV Transmission Line proposed by the Applicants, Seminole Electric Cooperative, Inc. and Jacksonville Electric Authority, is proper for certification under the Transmission Line Siting Act, Sections 403.52-403.5365, Florida Statutes (1989 and Supp. 1990).The corridor adopted by applicants is proper for certification by the State sitting board.