The Nine Mile Point 2 nuclear plant on Lake Ontario has been taken off-line after pumps that circulate water through the reactor shut off while being shifted to a lower speed.
The Hope Creek nuclear plant in southern New Jersey is offline after high moisture was found in the steam that spins the plant's turbine.
Ordinarily, a proposal to bury radioactive waste in a scenic area that relies on tourism would inspire "not in my backyard" protests from local residents — and relief in places that were spared. But conventional wisdom has been turned on its head in Ontario...
A second state panel has delayed hearings on a proposed uranium mine in the Black Hills until two federal agencies decide on the project.
The nation's oldest operating nuclear plant has been returned to service after crews completed some planned maintenance work there this week.
Gov. Peter Shumlin and other top state officials are in talks with the Vermont Yankee nuclear plant's owners about how to dismantle the reactor and handle spent fuel after the plant closes late next year.
Southern California Edison will challenge a recommendation that it refund $74 million to customers who were charged operating costs for the now-closed San Onofre nuclear power plant.
California regulators recommended $94 million in refunds for Southern California utility customers for reduced operating costs at the now-closed San Onofre nuclear power plant.
The only two uranium mines operating in Arizona and an associated mill in southern Utah are set to cease operations temporarily as prices for the ore decline.
It's costly, risky and dependent on technologies that have yet to be fully developed. A decades-long journey filled with unknowns lies ahead for Japan, which took a small step this week toward decommissioning its crippled Fukushima nuclear power plant.
Work began today to remove nuclear fuel rods from a heavily damaged reactor building at the Fukushima Dai-Ichi plant. It's the first major step toward decommissioning the plant, a decades-long process fraught with uncertainty and challenges.
Federal plans to truck radioactive material from a World War II-era plant in Tennessee to Nevada for burial in the desert are rekindling a long-running battle to prevent the Silver State from becoming the nation's nuclear dumping ground.
Connecticut's nuclear plant has shut down one of its units for 48 hours due to equipment failure.
Japan's flagging anti-nuclear movement is getting a boost from two former prime ministers who are calling for atomic power to be phased out following the Fukushima disaster.
A small radioactive water leak prompted Duke Energy Corp. to shut down a reactor at the Oconee Nuclear Station yesterday. Utility officials said the leak poses no danger, but it is the second time in less than three weeks a problem has shut down a reactor at the nuclear plant built 40 years ago.
Dallas-based Luminant Generation had asked the U.S. Nuclear Regulatory Commission for a license to double the number of nuclear reactors at its Comanche Peak plant from two to four. However, in a letter to the NRC, Luminant said its Japanese-based reactor partner had decided to focus on restoring nuclear power in Japan after the 2011 earthquake and tsunami led to a disaster at the Fukushima nuclear power plant.
Two federal agencies must approve a proposed uranium mine in the Black Hills before a South Dakota board further considers issuing a permit, its hearing chairman said Tuesday, citing a state law. An order issued Tuesday by Rex Hagg, hearing chairman, said the board will not reschedule the state hearing until the Nuclear Regulatory Commission and U.S. Environmental Protection Agency have ruled on the project.
A fire described by officials as "small" prompted the shutdown of one reactor at FirstEnergy Corp.'s Beaver Valley Nuclear Power Station in western Pennsylvania. Operators of the Shippingport plant said an electrical short occurred shortly before 6 p.m. Tuesday outside the turbine where electricity is produced.
The U.S. Coast Guard is seeking public comments on a proposal that would allow barges to transport shale gas wastewater. The wastewater is a byproduct of the drilling process, and it can include both man-made chemicals and naturally occurring heavy metals and radiation.
The European Commission's energy chief says the bloc's executive arm will present a proposal on mandatory disaster insurance for nuclear power plants in coming weeks.
A reactor that was shut down for refueling Sept. 30 at the Beaver Valley Nuclear Power Station in western Pennsylvania has been restarted and is expected to reach full capacity in the next week.
"Just as the tragic event had global consequences, the success of the cleanup also has global significance. So we all have a direct interest in seeing that the next steps are taken well and efficiently and safely," said U.S. Energy Secretary Ernest Moniz at a lecture in Tokyo.
Japanese regulators have given final approval for the removal of fuel rods from an uncontained cooling pool at a damaged reactor building, which is considered the highest risk at the crippled Fukushima nuclear plant. Removing the fuel rods from the Unit 4 cooling pool is the first major step in a decommissioning process that is expected to last decades.
Human mistakes are mostly to blame for the recent mishaps, as workers deal with a string of crises. A top Japanese regulator feels these "silly mistakes" are a sign of declining morale. TEPCO acknowledged a systemic problem in a recent report, saying workers under tight deadlines tend to cut corners, and others don't fully understand their assignments or procedures.
The Three Mile Island nuclear power plant is shut down while more than 1,700 technical workers perform inspections, upgrade equipment and do maintenance that cannot be done while the plant is operating. One-third of the plant's radioactive fuel will be replaced, new digital equipment will be installed and the turbines that produce electricity will be overhauled.