Sentences with phrase «operating nuclear power reactors»

There are more than 440 operating nuclear power reactors worldwide, most of which use enriched uranium for fuel, including 99 reactors in the United States.

Operating nuclear power reactors have a generating capacity of more than 380,000 megawatts of electric power.

Not exact matches

Each day, some two billion gallons of water are pumped from Long Island Sound into the Millstone Power Station in Waterford, Conn. — that state's only nuclear power plant — and used to help cool systems and support the station's two operating reacPower Station in Waterford, Conn. — that state's only nuclear power plant — and used to help cool systems and support the station's two operating reacpower plant — and used to help cool systems and support the station's two operating reactors.

Some of the new nuclear science research programs, including the one at MIT, are studying new reactor designs and fuel cycles that scientists (and policy - makers) hope will make nuclear plants safer and cheaper to operate, and produce waste materials with smaller volume, shorter half - lives, and less appeal to terrorists and other would - be nuclear powers.

A few days after the nuclear crisis began to unfold at the Fukushima power station in Japan, Singh, who also serves as minister in charge for atomic energy, ordered a safety review of all 20 nuclear power plants and a half dozen research reactors owned and operated by the government.

Operating at high pressure and temperature, such reactors are not truly novel, having propelled the first commercial nuclear ships, such as the nuclear - powered cargo ship named Savannah, in past decades.

The Japan Atomic Industrial Forum, an industry body, estimates that core cooling systems are not functioning at all three Fukushima Daiichi operating reactors and two of the four reactors at the nearby Fukushima Daini nuclear power plant are relying on backup cooling systems.

All but two of the 440 or so commercial nuclear reactors operating are thermal, and most of them — including the 103 U.S. power reactors — employ water both to slow neutrons and to carry fission - created heat to the associated electric generators.

Across the East China Sea, west of Japan and its ongoing crisis, sits the growing Qinshan nuclear power plant, where four new pressurized - water reactors are under construction in addition to the five already operating on - site.

The U.S. Institute of Nuclear Power Operations (INPO), in a report last November, related desperate actions by TEPCO crews to contain the reactor accident in the critical first week of the crisis, as they tried to operate crucial valves and instruments with truck batteries; hauled massive emergency power cables over flooded passageways where manhole covers had been dislodged; and faced a series of hydrogen explosions and sudden spikes in radiaPower Operations (INPO), in a report last November, related desperate actions by TEPCO crews to contain the reactor accident in the critical first week of the crisis, as they tried to operate crucial valves and instruments with truck batteries; hauled massive emergency power cables over flooded passageways where manhole covers had been dislodged; and faced a series of hydrogen explosions and sudden spikes in radiapower cables over flooded passageways where manhole covers had been dislodged; and faced a series of hydrogen explosions and sudden spikes in radiation.

In fact, atmospheric pressure rapidly increased eightfold before the explosion in reactor No. 1 on March 12 (nuclear power plants typically operate at roughly 4 atmospheres of pressure).

By JUAN MATTHEWS and COLIN ENGLISHSafety inspectors threatened to close down the oldest commercial nuclear power stations in England and Wales last year unless the company operating them, Nuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on wnuclear power stations in England and Wales last year unless the company operating them, Nuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on wNuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on working.

Safety inspectors threatened to close down the oldest commercial nuclear power stations in England and Wales last year unless the company operating them, Nuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on wnuclear power stations in England and Wales last year unless the company operating them, Nuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on wNuclear Electric, could confirm that the steel pressure vessels surrounding the reactors were fit enough to go on working.

Over the past week, countries around the world have announced plans to check the safety of operating reactors and rethink nuclear power policies.

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 fueOperating 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 fueoperating 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.

The US nuclear regulator is satisfied that NuScale Power's small modular reactor (SMR) design can operate safely without the need for safety - related electrical systems.

American nuclear power reactors operated that year around the clock at about 90 percent capacity, whereas coal - fired plants operated at about 73 percent, hydroelectric plants at 29 percent, natural gas from 16 to 38 percent, wind at 27 percent, solar at 19 percent, and geothermal at 75 percent.»

Throughout the short history of the U.S. nuclear power sector, 31 reactors licensed to operate have been permanently shut down — 11 between 1960 and 1980; four in the 1980s; and nine in the 1990s.

Breakthrough explains that the reactors are inherently safer and operate more efficiently than the fleet of inferior conventional reactors that occupy the world's nuclear power landscape today.

* The MH - 1A Sturgis floating nuclear power plant, a 45 - MW pressurized water reactor, was the first floating nuclear plant to be built (and the last nuclear power plant built and operated by the U.S. Army).

America currently operates 99 nuclear reactors across 61 commercially operating nuclear power plants, according to the Energy Information Administration.

South Korea, the world's fifth - biggest user of nuclear power, has developed its own nuclear industry, constructing and operating its reactors through KEPCO.