Sentences with phrase «for reactor unit»

Under existing policy, owners of nuclear power plants pay a premium each year for $ 375 million in private insurance for offsite liability coverage for each reactor unit.

In it, he called for international intervention before the Tokyo Electric Power Company began to move fuel rods from the spent fuel pool for reactor unit 4 and urged the four climate scientists who recently called for a big push to advance safer nuclear power plant designs to go to the site.

Not exact matches

A number of coal - and oil - fired power plants will likely be retired, and while Virginia's four existing nuclear units will remain in use, plans for a fifth reactor remain shelved, for now.

While all variations of the plan envision the relicensing of the company's four existing nuclear units at the Surry and North Anna stations, none calls for a third reactor at North Anna, which Dominion has been contemplating.

The deterioration was discovered when Indian Point's Unit 2 reactor was shut down for routine maintenance and refueling.

The NRC staff will meet with the public to discuss the NRC's assessment of safety performance at Indian Point Units 2 and 3 reactors for 2015.

Indian Point operator Entergy had successfully fought to delay those tests to once every 15 years for the plant's Unit 2 reactor, but the state had challenged that, arguing they should be conducted once a decade.

Fuel units must be stored initially in pools at reactor sites for about five years, until the decay heat drops enough to permit movement into dry cask containers.

Borrowing a technique for making temporary subsurface barriers during tunnel construction, a contractor has driven 1500 pipes 30 meters down to bedrock, creating something akin to an underground picket fence encircling the four crippled reactor units.

In the 1980s this research was directed toward a fast reactor (dubbed the advanced liquidmetal reactor, or ALMR), with metallic fuel cooled by a liquid metal, that was to be integrated with a high - temperature pyrometallurgical processing unit for recycling and replenishing the fuel.

Although the utility managed to safely remove all 1,533 fuel bundles from the plant's unit No. 4 reactor by December 2014, it still has to do the same for the hundreds of rods stored at the other three units.

Leaks of hydrogen from damaged reactors at units Nos. 1 and 3 is blamed for explosions at the tops of the outer, secondary containment structures, and an explosion within the No. 2 primary containment structure.

Today, TEPCO engineers unsuccessfully attempted to show that the radioactive water reaching the sea came from a flooded trench beneath reactor 2 which houses electrical cabling for the unit.

«Several technical and manufacturing innovations make this reactor a potential game changer for the global clean energy market,» said Christofer Mowry, president and CEO at Babcock & Wilcox Modular Nuclear Energy, LLC, the new unit in charge of the small reactor.

The «devil's scenario» nearly played out in Unit 4, where the reactor was shut down for maintenance.

And gas plants can be built in small units in only three or four years, as compared with six or eight for mammoth reactors.

Deprived of electricity for emergency systems, the reactor cores for Units 1, 2 and 3 overheated and melted down.

SMR - 160's footprint is minuscule compared to operating nuclear reactors; occupying a mere 6 acres of land for a two unit site and 4.5 acres for a single unit installation.

The NRC has amended FirstEnergy Nuclear Operating Company (FENOC)'s operating licence for Perry to include revisions to the safety limit minimum critical power ratio - a measure of heat limits within the reactor core - enabling the unit to use Global Nuclear Fuel's GNF2 fuel design.

In exchange, PSEG Power has been granted an option to acquire an ownership interest in the technology, which paves the way for PSEG Power to be responsible for the training and operations of the SMR - 160 when the new reactor units are built.

Five smaller Japanese reactors - Genkai 1, Mihama 1 and 2, Shimane 1 and Tsuruga 1 - were declared for decommissioning in mid-March 2015 following the introduction of an accounting - related system earlier that month to determine which units should not be restarted.

I was trying to estimate the mining footprints of solar and nuclear, and came up with some very tentative rough estimates that ore input for solar energy might have an energy density (per unit mass) ~ 5 to 80 times coal, while nuclear (convential US fuel cycle) may be ~ 20 times coal — on the solar side, this doesn't include some balance of system components, and on the nuclear side, it only includes the U, but on the solar side, the actual energy density could get much higher with recycling of the same material into multiple successive generations of solar energy devices, and on the nuclear side, breeder reactors.

A revenue gap analysis conducted by the national laboratory for 79 of 99 operational reactors that are in a region where public wholesale electricity market prices are available suggests that 63 units would have lost money in 2016.

The schedule is for Entergy Corp. to shut down the Unit 2 reactor in April 2020 and Unit 3 in April 2021.

Energy Alberta Corporation (Energy Alberta) has filed an application for a site preparation license for two twin - unit ACR - 1000 CANDU nuclear reactors to provide power for the oil sands operations in Alberta.

While some reactors have been granted lifetime extensions beyond the typical 40 years — many U.S. units have, for example — these may not be as readily approved after the demise of the four Fukushima reactors, which averaged 37 years old when disaster struck.

Whether or not nuclear generation has truly peaked will depend on a number of factors, including how many Japanese reactors resume operation, how many licenses are extended for aging reactors worldwide, and the pace and magnitude of uprating existing units.

Also in the running would be utilities giving up on 4 or 5 nuclear reactors here in the USA (Crystal River, Vermont Yankee, San Onofre, Kewaunee); these units were all marginal and / or already offline, but it shows which way the momentum is going for nuclear power here in the states.

The reactor units would be factory built, delivered on trucks and dropped into place — anywhere as they don't need water cooling — for decades of hands free operation powering 350,000 houses per unit.

Companies in line for new reactor licenses have several years before they have to build a new unit, which can cost between $ 5 billion and $ 12 billion, said Jone - Lin Wang, head of CERA's global power group.

While the basic technology is Canadian, R&D at Qinshan in China since 2008 has turned a simple concept into technology which can now be utilised, so that the used fuel from four conventional reactors can fully supply one AFCR unit (as well as providing recycled plutonium for MOX).

Total Energy Solutions First HPG Buyer The buyer, TES Group, will pay $ 25 million each for its six portable nuclear reactors, and says if its initial purchases work out will eventually buy 50 of the units.

Right now the researchers are working on scaling up the process for large - scale reactor units that can be used by cities.

In fact, certain of TEPCO's actions in the aftermath of the explosions have been confused and, some might opine, lacking discipline of purpose to the extent that expedient decisions have been made without proper forethought and judiciousness to avoid knock - on consequences: for example, the injection of seawater may have resulted in salt deposits sufficient to foul cooling flows in the lower regions of the RPV [reactor pressure vessel]; the liberation of hydrogen from seawater is more rampant than from freshwater and radiolysis of oxygen from the cooling water could provide stoichiometric conditions and ignition with hydrogen in the absence of air in the containments; and the latest and most recent announcement to deploy a nitrogen purge to the Unit 1 reactor seems yet another ill - explained and unjustified desperate measure».

Last year, utilities permanently shuttered five more reactors, lowering the number of operating units in the United States to fewer than 100 for the first time in two decades.