Columbia Generating Station reconnected to power grid - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Columbia Generating Station reconnected to power grid

Columbia Generating Station reconnected to power grid

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RICHLAND, WA - Energy Northwest says the Columbia Generating Station reconnected to the Northwest power grid just before 11:30 p.m. Saturday night. The power levels are slowly rising and  should reach full power within 72 hours.

The Columbia Generating Station safely shut down on Dec. 18 because of an equipment malfunction at the Bonneville Power Administration's Ashe Substation. In response, Columbia's output breakers properly opened to separate the plant from any potential grid transients.

The substation handles all the electricity produced by the nuclear facility. Before shutting down, Columbia was operating at 100 percent power.

Columbia Generating Station, a 1,190-megawatt boiling water reactor, produces enough electricity to power a city the size of Seattle and is the third largest generator of electricity in Washington state. 

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