Developer John Floreske Jr. is seeking a preliminary permit for a hydro-electric project at Walker Lake. The plant would generate 3,600 megawatt-hours annually, more than one-tenth of the electricity used annually by Haines and Skagway.

The project, by Floreske’s Southern Energy, Inc., would build two, 15-foot wide, rock-filled dams, 250 feet and 325 feet in length and increase the area of the lake from 160 to 180 acres. The lake lies eight miles west of…