S.E. drought won't impact hydroelectric operations
October 4, 2018
Utility Director Karl Hagerman says there is no present data to support that Petersburg or Wrangell will need to run diesels this winter because of low water levels at Swan and Tyee Lakes. SEAPA’s recent move to dedicate Tyee capacity to the northern communities, and likewise Swan to Ketchikan, is designed to avoid that scenario.
Last week the water level at Tyee Lake was at 1,283.6 ft. above sea level while a normal level for this time of year should be 1,390 ft.
Tyee Lake (located in Bradfield Canal) and Crystal Lake (on Mitkof Island) provide hydroelectric power that keeps lights...