Cause of power outage unknown

Location of transmission line failure in area of Taku Harbor-Limestone Inlet

Posted: Thursday, August 27, 2009

A transmission line failure knocked out power in Juneau for about an hour Wednesday, and while utility crews have restored power they have yet to isolate the problem, said Gayle Wood, spokeswoman for Alaska Electric Light & Power.

The line from the Snettisham hydroelectric plant had a "phase-to-ground" fault at about 12:45 p.m., Wood said, but the cause was not clear. An eagle or a damaged insulator may be responsible, she said, and power was restored without knowing the cause.

"We were able to (turn) back on Snettisham power, however, we always like to know what caused a fault," he said.

The location of the fault has been narrowed down to the area around Taku Harbor and Limestone Inlet, she said. Crews were working Wednesday afternoon to determine the exact cause.

A second outage affected only customers in the Lemon Creek and Salmon Creek areas after reports of power problems and a possible streetlight pole in a power line. No down streetlight was found, and power was restored everywhere in town by 1:45 p.m., Wood said.

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