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Operators bringing North Anna unit 2 out of a refueling outage shut down the reactor again after reports of vibration and arcing in the main turbine. The Westinghouse reactor was at 60 percent power Friday when workers reported increased vibration and arcing on a bearing of the main generator exciter...

GE Hitachi Nuclear Energy (GEH) has announced its selection by Dominion Virginia Power as its new technology partner for the North Anna Unit Three (NA-3) Nuclear Power Plant Project. The project development agreement includes engineering work to support the development of the specific Economic...

An investigation by the Nuclear Regulatory Commission found that some seismic equipment briefly stopped working at Virginia's North Anna nuclear plant during an earthquake in 2011. No damage occurred, reactor safety systems performed as designed, and both units at the Dominion plant shut down automatically...

The 5.8-magnitude trembler began at 1:51 p.m., EST, 5 miles south-southwest of Mineral, Va. one year ago today. The epicenter was about 11 miles from North Anna nuclear power plant. Both reactors were shut down safely following the earthquake, and backup systems functioned as planned. Dominion immediately...

Unplanned reactor trips at St. Lucie and a generator malfunction during last year’s earthquake at North Anna will result in additional inspections at the plants, the Nuclear Regulatory Commission announced Monday. Florida Power and Light’s St. Lucie unit 1 reactor in Jensen Beach, Fla., has...

The Nuclear Regulatory Commission, after careful analysis of inspection findings and related information, has concluded Dominion Generation’s North Anna Unit 1 and 2 reactors can be restarted. The North Anna reactors, in Louisa, Va., have been shut down since Aug. 23, when a magnitude 5.8 earthquake...

The chief nuclear officer of Dominion today told the U.S. Nuclear Regulatory Commission that the North Anna Power Station successfully withstood an earthquake without any significant damage because its robust design included multiple, designed-in safety margins. (Slide presentations are below.) David...

The Nuclear Regulatory Commission remains undecided as to when it will allow electrical generation to resume at North Anna, but on Friday the agency indicated the Virginia nuclear plant will remain offline at least until after a meeting later this month. The NRC has scheduled a meeting at its Maryland...

The Nuclear Regulatory Commission will push for more data on the effects of a recent earthquake at Virginia’s North Anna nuclear plant before it will be allowed to come back online. On Friday, an NRC release summarized a confirmatory action letter that placed the onus on Dominion Virginia Power...

Dominion Virginia Power informed the U.S. Nuclear Regulatory Commission yesterday that multiple detailed inspections have found no significant damage to equipment at North Anna Power Station from the Aug. 23 earthquake. North Anna , like other U.S. nuclear stations, was hardened against earthquakes...

As Dominion Resources and inspectors from the Nuclear Regulatory Commission analyze data from the Aug. 23 earthquake centered 12 miles from the North Anna nuclear plant, the NRC has scheduled a meeting today to assess their results so far. The 5.8 magnitude quake near Mineral, Va., caused both of North...

Centered just 12 miles from the North Anna nuclear plant, last week’s earthquake in Virginia may have exceeded the facility’s design limits, the Nuclear Regulatory Commission indicated Monday. In a release, the agency said it has dispatched an augmented inspection team to gather further data...

The Nuclear Regulatory Commission and reactor operators have given power plants within range of Tuesday’s earthquake a clean bill of health. All 12 facilities that declared an unusual event, the lowest of the NRC’s emergency designations, have dropped those declarations and continue to operate...

Dominion Virginia Power's North Anna Power Station has restored off-site power, eliminating the need to rely on its back-up generators. The station remains in an Alert, the second lowest of the four emergency classifications of the U.S. Nuclear Regulatory Commission. The station's two nuclear...

Cut off from outside power, the North Anna nuclear plant remained on alert Tuesday night following an earthquake in Virginia, while some of the 12 nuclear plants that declared unusual events began withdrawing those notifications. The 5.8-magnitude trembler began at 1:51 p.m., EST, 5 miles south-southwest...

The U.S. Nuclear Regulatory Commission is monitoring an Alert at the North Anna nuclear power plant in Virginia, following today’s earthquake in central Virginia. The NRC is also monitoring Unusual Events, the lowest emergency classification, declared at several other Eastern U.S. nuclear power...

The Nuclear Regulatory Commission has indicated changes to the design of Mitsubishi’s Advanced Pressurized Water Reactor will delay expansions at two nuclear plants, one for 18 months and the other for two years. Luminant sought licensing for two new 1700 megawatt APWRs at its Comanche Peak...

“Dominion expects to reap efficiencies in steam generator maintenance and other services under this new alliance agreement with AREVA,” said David Heacock, Dominion Chief Nuclear Officer. - Edited By Chris Reed - AREVA has signed an alliance agreement with Dominion Resources to provide...

"The agreement with Dominion is another milestone in this important project," said Kiyoshi Yamauchi, President and Chief Executive Officer of MNES. - Edited By Cam Abernethy - Mitsubishi Nuclear Energy Systems Inc. (MNES) and Dominion Virginia Electric & Power Company have reached...

- Edited By Chris Reed - Dominion Resources Inc. says if it doesn't build a third nuclear reactor at its North Anna Power Station, it will need to build another power generation source in its place. CEO Thomas F. Farrell II spoke Tuesday at the Bank of America Merrill Lynch Power ; Gas Leaders...

Federal Emergency Management Agency Will Evaluate Readiness Of Virginia Atomic Power Plant - By April Murelio - The Department of Homeland Security’s Federal Emergency Management Agency will evaluate a Biennial Emergency Preparedness Exercise at the North Anna Power Station. The week-long...

Dominion Virginia Power (Dominion) announced on May 7, 2010 that it had selected the U.S. Advanced Pressurized Water Reactor (US-APWR) design developed by Mitsubishi Heavy Industries, Ltd. (MHI) as a result of a competitive process. URS currently is providing licensing support, engineering, and construction...

The design is among the world's largest advanced-pressurized-water reactors (APWR), capable of powering more than 360,000 U.S. homes. In 2007, Texas-based Luminant selected the US-APWR design for its Comanche Peak Units 3 and 4 south of Fort Worth, Texas - By Stephen Heiser - The Mitsubishi...

Dominion Power's decision on a reactor design pushed by several months - Edited by Linton Levy - According to a report on Fredricksburg.com, It could be another six months before Dominion power company makes a final decision on the design it will use for a proposed third reactor at North Anna...

Six companies, which Dominion would not identify, bid on the proposed 1,500-megawatt North Anna 3 power plant - Edited by April Murelio - According to a report in The Richmond Times-Dispatch, Dominion Resources Inc. has winnowed down the number of potential builders for its proposed third nuclear...