AR Nuke Returns to Grid

Tuesday, November 1, 2016 @ 03:11 PM gHale

Entergy’s 1,065-MW Arkansas Nuclear One-2 nuclear reactor in Russellville, Arkansas, is back up and running, ending a one-month maintenance outage.

The plant synchronized with the electricity grid 3:55 p.m. CDT Thursday, said plant spokeswoman Jennifer White.

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The unit was operating at 26 percent of capacity early Friday, according to the Nuclear Regulatory Commission’s (NRC) daily reactor status reports. White declined to estimate when ANO-2 will return to 100 percent of capacity, saying it was “business sensitive information.”

Operators shut the unit September 28 to repair an emergency diesel generator, she said.

An event report filed with NRC said on September 16 the emergency diesel generator’s inboard generator bearing failed. A requirement was to have the generator returned to service within 14 days or shut the reactor, and the report said repairs could not end up completed in this timeframe “due to unforeseen circumstances which evolved during recovery efforts.”

The 903-MW Arkansas Nuclear One-1 reactor remains shut for refueling and maintenance which began September 24.

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