Waterford’s nuclear Millstone Power Station shut down the larger of its two reactors as the water levels in the steam generator were too low, according to station owner Dominion.
Millstone Unit 3 had low water levels because the equipment that measures water flow into the generator lost power, and that power loss in under investigation, said Millstone spokesman Ken Holt.
Unit 3 is the larger of the two remaining reactors, generating 1,150 megawatts. Unit 2 generates 870 megawatts, and Unit 1 was decommissioned in 1995. Combined, the two operating reactors account for 45 percent of the power generated in Connecticut.
All of Unit 3’s safety systems responded normally to the automatic shutdown, and no injuries or equipment damage were reported.
The reactor remains shut down, and Holt would not say when the unit is expected to return to service.
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