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Workers extinguished a small fire in the turbine hall of Entergy's Pilgrim nuclear plant Monday, interrupting its startup following a refueling outage. At about 4 a.m., workers detected a fire in an auxiliary oil pump motor, and the on-site fire brigade put it out with a fire extinguisher, according...

The Palisades nuclear plant will stay offline until early summer as crews repair the bottom of a water tank. On May 5 , the safety injection refueling water storage tank began leaking at a rate of about 90 gallons per day, exceeding a threshold set earlier by federal regulators. The source of the leak...

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...

The owners of the Wolf Creek nuclear plant have taken one of its vendors to court over electrical work that preceded an unplanned reactor shutdown and outage last year. A power loss in a switchyard caused the Burlington, Kan., reactor to trip on Jan. 13, 2012, according to a report filed with the Nuclear...

The V.C. Summer Nuclear Plant in South Carolina exited a mid-cycle outage last week after repairs to back-up pump seals. Operators took the single-unit plant offline on March 22 after a pump's seals were not performing as desired, South Carolina Electric & Gas said in a release. Crews completed...

A recent earnings report offered an updated tally of the costs at Southern California Edison's San Onofre nuclear plant, where two reactors have spent a year offline because of steam generator problems. According to a presentation by Edison International, at the end of last year it had incurred ...

Bruce Power's Unit 2 sent power to Ontario's electricity grid for the first time in 17 years earlier today, marking a major milestone in the Bruce Power revitalization program. "This gets us one step closer to the finish line and for the first time in nearly two decades we're in the...

Operators shut down Monticello Nuclear Generating Plant to repair a gasket on a pipe flange, while in an unrelated action Tuesday, operators at Prairie Island Nuclear Generating Plant shut down Unit 1 to repair two diesel generators. Both shutdowns were accomplished safely. Neither resulted in a radiological...

Unit 2 at the South Texas Project nuclear plant near Houston should be back online soon after crews successfully installed a refurbished rotor in its generator last week. Reuters reported the 200-ton rotor returned from a Siemens plant in North Carolina and was reinstalled Wednesday. Crews also replaced...

The Canadian Nuclear Safety Commission (CNSC) announces today its decision to allow Bruce Power to restart Unit 2, following its refurbishment which began in 2006. This means that Bruce Power can now safely remove shutdown guarantees and progress with the remaining return-to-service activities. In...

Southern California Edison (SCE), operator of the San Onofre Nuclear Generating Station (SONGS), took steps yesterday for a precautionary shutdown of Unit 3. Sensors that detect possible leaks indicated a leak in one of the unit's steam generator tubes. The potential issue poses no imminent danger...

Progress Energy has awarded a contract for a range of services at its nuclear plants to a joint venture created by Babcock & Wilcox and Bartlett Holdings. The joint company, called BWB Maintenance Services, will provide maintenance, craft services, project execution, radiation protection and health...

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 Shaw Group Inc. today announced it has renewed a contract with Exelon Generation Company to provide maintenance, modifications and construction services to its fleet of nuclear generating plants. Exelon’s nuclear power fleet includes 17 nuclear reactors in 10 sites; six sites in Illinois, three...

Engineers have likely discovered more cracks in the shield building of Ohio’s Davis-Besse nuclear plant, but owner FirstEnergy remains confident the reactor’s head replacement will be finished in November. While cutting a 22-foot-wide hole in the building to swap out the RPV head of its Babcock...

Two nuclear plants ended outages in recent days, as the Monticello plant in Minnesota restarted following a reactor trip and Georgia’s Hatch 2 reactor completed a maintenance project. At Monticello, northwest of Minneapolis, full power was restored Monday morning. The General Electric type-3 boiling...

The reactor at the Columbia Generating station achieved criticality Monday and should return to the grid Saturday following a longer-than-expected outage. Energy Northwest powered down the plant in April for a scheduled refueling outage and a condenser replacement. The utility and contractor Babcock...

GEH to Provide Exelon’s Stations with Full Portfolio of Outage Services, Including Maintenance, Inspection and Fuel Reload Engineering GE Hitachi Nuclear Energy (GEH) today announced it has been awarded a nearly $150 million integrated outage contract by Illinois-based Exelon Nuclear to help...

The Shaw Group Inc. today announced it has renewed a contract with STP Nuclear Operating Company to provide maintenance and modification services, including craft labor management, to operating units 1 and 2 of its nuclear power facility. Shaw began providing maintenance and modification services...

Electrical Builders, Inc. (EBI) has successfully performed a complete Isolated Phase Bus replacement on Unit 1 of the Quad Cities Nuclear Plant owned by Exelon Nuclear. According to Brian Wahlheim, Quad Cities Nuclear Plant Project Manager, his team was very pleased with EBI’s quality performance...

Entergy has communicated to its employees that the company’s board of directors voted to approve the fabrication of fuel and the refueling of the Vermont Yankee nuclear power plant in October. This will be the plant’s 29th refueling. While the company has received a 20-year license extension...

Unit 2 at the Susquehanna nuclear plant near Berwick, Pa., resumed generating electricity on Wednesday (6/29) after a planned refueling and maintenance outage that was extended to replace damaged turbine blades discovered during a routine inspection conducted during the outage. "Our team did...

Progress Energy Florida has provided an update to the Nuclear Regulatory Commission (NRC) and the Florida Public Service Commission (FPSC) regarding the status of its Crystal River Nuclear Plant . Based on an initial review, the company believes that repairing the unit is the best option, and is taking...

Following an outage brought on by April's tornado outbreak across the South, Virginia's Surry nuclear plant briefly restarted its unit 2 reactor but took the unit offline again Monday after detecting a problem in its cooling system. Dominion Virginia Power operators restarted unit 2 last Thursday...

The South Texas Project (STP) Unit 1 reactor is back on-line and operating at full power after a scheduled refueling and maintenance outage. The unit returned to 100 percent power on Tuesday, May 10. “Through outstanding teamwork and dedication, our team safely and efficiently completed a large...