Dominion returns North Anna 2 to service after refueling outage

Dominion (NYSE:D) has returned the North Anna 2 nuclear unit in Virginia to service after conducting a regularly-scheduled refueling and maintenance outage.

North Anna Unit 2 returned to service on Saturday morning April 9 at approximately 9 a.m., according to a company spokesperson. The unit was listed at 48% generation early April 11, according to Nuclear Regulatory Commission (NRC) data.

The outage had started around March 6.

Key activities during this outage included a modification to the reactor coolant system to prevent conditions that can damage fuel assemblies. This modification had already been performed on the Unit 1 reactor, the Dominion spokesperson said.

Also, workers implemented an electrical cross-tie modification that will provide alternate electrical supply capability to the emergency busses, enhancing the station’s ability to respond to abnormal conditions.

North Anna Units 1 and 2 are located in Louisa County, Virginia and operated by Dominion’s Virginia Electric and Power Co. Both units are pressurized water reactors (PWRs). Each unit has a nameplate capacity of 980 MW.

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Wayne Barber, Chief Analyst for the GenerationHub, has been covering power generation, energy and natural resources issues at national publications for more than 20 years. Prior to joining PennWell he was editor of Generation Markets Week at SNL Financial for nine years. He has also worked as a business journalist at both McGraw-Hill and Financial Times Energy. Wayne also worked as a newspaper reporter for several years. During his career has visited nuclear reactors and coal mines as well as coal and natural gas power plants. Wayne can be reached at