Blackout caused by salt water-corroded line - KUAM.com-KUAM News: On Air. Online. On Demand.

Blackout caused by salt water-corroded line

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by Nick Delgado

Guam - It took the Guam Power Authority nearly six hours to re-energize and fully restore power to the entire island. GPA's Edward Leon Guerrero says the outage originated from a corroded static line caused by salt water. He says the line fell on the breakers in the switchyard then caused Cabras 1, 2, 3, and 4 to go offline.

Leon Guerrero says the agency does annual inspections of its power system, however admits they continue to battle corrosion, noting, "We did an inspection in September '09 and in fact it was that tower number one that we did an inspection there about year and a half ago, and even just this alone we didn't even notice, we did a visual then and we didn't even pick this one up and everything looked good then."

GPA spokesperson Art Perez says the last circuit was restored just after nine o'clock last night. He says GPA is using funding from its operations and maintenance budget to conduct extensive inspections as well as replace the lines that are in need of repair to prevent another blackout from happening in the future.

"I think going forward we are going to be coming to this area at Cabras and other base load generators that are also situated at the ocean side and maybe schedule some outages so that we can take a look at some of the connectors that are involved with static lines and lines leading out of power plants," he said.

Perez says residents still having power issues are urged to contact GPA at 475-1472.

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