A blown seal in a needle shaft at the Goat Lake powerhouse caused a daylong shutdown of Alaska Power and Telephone’s hydroelectric operation Monday. Diesel generators were used to generate power in Haines.
Darren Belisle, power operation supervisor for AP&T, said the O-ring in the three-inch shaft leading into turbines wears out about once a year. The powerhouse is located at 9 Mile Klondike Highway. “It usually just starts leaking a little but it was…