The United States Nuclear Regulatory Commission ( NRC ) is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy. Established by the Energy Reorganization Act of 1974 , the NRC began operations on January 19, 1975, as one of two successor agencies to the United States Atomic Energy Commission . Its functions include overseeing reactor safety and security, administering reactor licensing and renewal, licensing radioactive materials , radionuclide safety, and managing the storage, security, recycling, and disposal of spent fuel .
112-400: Turkey Point Nuclear Generating Station is a nuclear and gas-fired power plant located on a 3,300-acre (1,300 ha) site two miles east of Homestead, Florida , United States, next to Biscayne National Park located about 25 miles (40 km) south of Miami, Florida near the southernmost edge of Miami-Dade County . The facility is owned by Florida Power & Light . Including
224-693: A FOIA request. NRC conducts audits and training inspections, observes the National Nuclear Accrediting Board meetings, and nominates some members. The 1980 Kemeny Commission's report after the Three Mile Island accident recommended that the nuclear energy industry "set and police its own standards of excellence". The nuclear industry founded the Institute of Nuclear Power Operations (INPO) within 9 months to establish personnel training and qualification. The industry through INPO created
336-476: A generator that produces electricity . As of September 2023 , the International Atomic Energy Agency reported that there were 410 nuclear power reactors in operation in 32 countries around the world, and 57 nuclear power reactors under construction. Building a nuclear power plant often spans five to ten years, which can accrue significant financial costs, depending on how
448-548: A city block but would not have presented an immediate health hazard. Twelve years into NRC operations, a 1987 congressional report entitled "NRC Coziness with Industry" concluded, that the NRC "has not maintained an arms length regulatory posture with the commercial nuclear power industry ... [and] has, in some critical areas, abdicated its role as a regulator altogether". To cite three examples: A 1986 Congressional report found that NRC staff had provided valuable technical assistance to
560-460: A condenser. The condenser is a heat exchanger which is connected to a secondary side such as a river or a cooling tower . The water is then pumped back into the steam generator and the cycle begins again. The water-steam cycle corresponds to the Rankine cycle . The nuclear reactor is the heart of the station. In its central part, the reactor's core produces heat due to nuclear fission. With this heat,
672-442: A coolant is heated as it is pumped through the reactor and thereby removes the energy from the reactor. The heat from nuclear fission is used to raise steam, which runs through turbines , which in turn power the electrical generators. Nuclear reactors usually rely on uranium to fuel the chain reaction. Uranium is a very heavy metal that is abundant on Earth and is found in sea water as well as most rocks. Naturally occurring uranium
784-402: A facility has been completely decommissioned it is released from regulatory control, and the licensee of the station no longer has responsibility for its nuclear safety. Generally speaking, nuclear stations were originally designed for a life of about 30 years. Newer stations are designed for a 40 to 60-year operating life. The Centurion Reactor is a future class of nuclear reactor that
896-726: A library, which also contains online document collections. In 1984 it started an electronic repository called ADAMS, the Agencywide Documents Access and Management System, for its public inspection reports, correspondence, and other technical documents written by NRC staff, contractors, and licensees. It was upgraded in October 2010 and is now web-based. Of documents from 1980 to 1999 only some have abstracts and/or full text; most are citations. Documents from before 1980 are available in paper or microfiche formats. Copies of these older documents or classified documents can be applied for with
1008-404: A nuclear reactor heats the reactor coolant. The coolant may be water or gas, or even liquid metal, depending on the type of reactor. The reactor coolant then goes to a steam generator and heats water to produce steam. The pressurized steam is then usually fed to a multi-stage steam turbine . After the steam turbine has expanded and partially condensed the steam, the remaining vapor is condensed in
1120-479: A nuclear station is smaller than the fuel cost for operation of coal or gas plants. Since most of the cost of nuclear power plant is capital cost, there is almost no cost saving by running it at less than full capacity. Nuclear power plants are routinely used in load following mode on a large scale in France, although "it is generally accepted that this is not an ideal economic situation for nuclear stations". Unit A at
1232-506: A number of long-established projects are struggling to find financing, notably Belene in Bulgaria and the additional reactors at Cernavodă in Romania , and some potential backers have pulled out. Where cheap gas is available and its future supply relatively secure, this also poses a major problem for nuclear projects. Analysis of the economics of nuclear power must take into account who bears
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#17328450913441344-625: A plant worker who was in the room and was treated at a local hospital. On March 22, 2017, the Nuclear Regulatory Commission announced that it had initiated a special inspection into the failure of the electrical bus that resulted in the plant declaring an alert. On February 26, 2008, both reactors were shut down due to the loss of off-site power during a widespread power outage in South Florida, affecting 700,000 customers. The fire occurred at 1:08 PM and caused an automatic shutdown of
1456-444: A previous goal aimed to reduce nuclear electricity generation share to lower than fifty percent by 2025, this target was postponed to 2035 in 2019 and ultimately discarded in 2023. Russia continues to export the most nuclear power plants in the world, with projects across various countries: as of July 2023, Russia was constructing 19 out of 22 reactors constructed by foreign vendors; however, some exporting projects were canceled due to
1568-417: A sales tool to help push American technology to foreign governments, when "lobbying for the purchase of equipment made by Westinghouse Electric Company and other domestic manufacturers". This gives the appearance of a regulator which is acting in a commercial capacity, "raising concerns about a potential conflict of interest ". San Clemente Green, an environmental group opposed to the continued operation of
1680-587: A significantly different evaluation of the economics of new nuclear power stations. Following the 2011 Fukushima nuclear accident in Japan , costs are likely to go up for currently operating and new nuclear power stations, due to increased requirements for on-site spent fuel management and elevated design basis threats. However many designs, such as the currently under construction AP1000, use passive nuclear safety cooling systems, unlike those of Fukushima I which required active cooling systems, which largely eliminates
1792-413: A slight decrease from the 2653 TWh produced in 2021. Thirteen countries generated at least one-quarter of their electricity from nuclear sources. Notably, France relies on nuclear energy for about 70% of its electricity needs, while Ukraine , Slovakia , Belgium , and Hungary source around half their power from nuclear. Japan , which previously depended on nuclear for over a quarter of its electricity,
1904-427: A small enough volume to become supercritical. Most reactors require continuous temperature control to prevent a core meltdown , which has occurred on a few occasions through accident or natural disaster, releasing radiation and making the surrounding area uninhabitable. Plants must be defended against theft of nuclear material and attack by enemy military planes or missiles. The most serious accidents to date have been
2016-482: A three-year research study of offshore floating nuclear power generation. In October 2022, NuScale Power and Canadian company Prodigy announced a joint project to bring a North American small modular reactor based floating plant to market. The economics of nuclear power plants is a controversial subject, and multibillion-dollar investments ride on the choice of an energy source. Nuclear power stations typically have high capital costs, but low direct fuel costs, with
2128-437: A total loss of offsite power, requiring the use of the onsite emergency diesel generators for several days. No significant damage was done to the plant's nuclear containment buildings . The plant was built to withstand winds of up to 235 mph (380 km/h), greatly exceeding the maximum winds recorded by most category 5 hurricanes . On March 18, 2017, an electrical fault occurred in a Unit 3 switchgear room, resulting in
2240-580: A worldwide perspective, long-term waste storage costs are uncertain. Construction, or capital cost aside, measures to mitigate global warming such as a carbon tax or carbon emissions trading , increasingly favor the economics of nuclear power. Further efficiencies are hoped to be achieved through more advanced reactor designs, Generation III reactors promise to be at least 17% more fuel efficient, and have lower capital costs, while Generation IV reactors promise further gains in fuel efficiency and significant reductions in nuclear waste. In Eastern Europe,
2352-450: Is $ 1,059.5 million, with 3,895.9 full-time equivalents (FTE), 90 percent of which is recovered by fees. This is an increase of $ 3.6 million, including 65.1 FTE, compared to FY 2014. NRC headquarters offices are located in unincorporated North Bethesda, Maryland (although the mailing address for two of the three main buildings in the complex list the city as Rockville, MD ), and there are four regional offices. The NRC territory
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#17328450913442464-473: Is about 1/3 of solar and 1/45 of natural gas and 1/75 of coal . Newer models, like HPR1000 , produce even less carbon dioxide during the whole operating life, as little as 1/8 of power plants using gen II reactors for 1.31g/kWh. Nuclear Regulatory Commission Prior to 1975 the Atomic Energy Commission was in charge of matters regarding radionuclides. The AEC was dissolved, because it
2576-520: Is anticipated to resume similar levels of nuclear energy utilization. Over the last 15 years, the United States has seen a significant improvement in the operational performance of its nuclear power plants, enhancing their utilization and efficiency, adding the output equivalent to 19 new 1000 MWe reactors without actual construction. In France, nuclear power plants still produce over sixty percent of this country's total power generation in 2022. While
2688-427: Is because of the presence of the anhinga . Nuclear power plant A nuclear power plant ( NPP ), also known as a nuclear power station ( NPS ), nuclear generating station ( NGS ) or atomic power station ( APS ) is a thermal power station in which the heat source is a nuclear reactor . As is typical of thermal power stations, heat is used to generate steam that drives a steam turbine connected to
2800-503: Is being designed to last 100 years. One of the major limiting wear factors is the deterioration of the reactor's pressure vessel under the action of neutron bombardment, however in 2018 Rosatom announced it had developed a thermal annealing technique for reactor pressure vessels which ameliorates radiation damage and extends service life by between 15 and 30 years. Nuclear stations are used primarily for base load because of economic considerations. The fuel cost of operations for
2912-477: Is broken down into four geographical regions; until the late 1990s, there was a Region V office in Walnut Creek, California which was absorbed into Region IV, and Region V was dissolved. In these four regions NRC oversees the operation of US nuclear reactors , namely 94 power-producing reactors, and 31 non-power-producing, or research and test reactors. Oversight is done on several levels. For example: NRC has
3024-596: Is closely related to the National Academy for Nuclear Training, not a government body, and referred to as independent by INPO, the Nuclear Energy Institute, and nuclear utilities. but not by the NRC, all of whom are represented on the board. The 1982 Nuclear Waste Policy Act directed NRC in Section 306 to issue regulations or "other appropriate regulatory guidance" on training of nuclear plant personnel. Since
3136-464: Is designated by the president to be the chairman and official spokesperson of the commission. The chairman is the principal executive officer of the NRC, who exercise all of the executive and administrative functions of the commission. The current chairman is Christopher T. Hanson . President Biden designated Hanson as chairman of the NRC effective January 20, 2021. The current commissioners as of September 24, 2024: President Biden has nominated
3248-431: Is found in two different isotopes : uranium-238 (U-238), accounting for 99.3% and uranium-235 (U-235) accounting for about 0.7%. U-238 has 146 neutrons and U-235 has 143 neutrons. Different isotopes have different behaviors. For instance, U-235 is fissile which means that it is easily split and gives off a lot of energy making it ideal for nuclear energy. On the other hand, U-238 does not have that property despite it being
3360-523: Is home to a large wildlife preserve. Turkey Point has been a contributing force to the reclassification of the American crocodile from endangered to the less serious category of vulnerable. Instead of a cooling tower , the plant has a large five-by-two mile (10-square-mile (26 km)) network of canals covering nearly 6,000 acres (2,400 ha). Several problems have arisen from this, including pollution of nearby national parks or water supply, particularly
3472-429: Is the only nuclear facility that does not use a natural body of water for cooling, instead it uses treated sewage from the greater Phoenix metropolitan area. The water coming from the cooling body of water is either pumped back to the water source at a warmer temperature or returns to a cooling tower where it either cools for more uses or evaporates into water vapor that rises out the top of the tower. The water level in
Turkey Point Nuclear Generating Station - Misplaced Pages Continue
3584-513: Is to regulate the nation's civilian use of byproduct, source, and special nuclear materials to ensure adequate protection of public health and safety, to promote the common defense and security, and to protect the environment. The NRC's regulatory mission covers three main areas : The NRC is headed by five commissioners appointed by the president of the United States and confirmed by the United States Senate for five-year terms. One of them
3696-486: The BWR , the steam is directed into the suppression chamber and condenses there. The chambers on a heat exchanger are connected to the intermediate cooling circuit. The main condenser is a large cross-flow shell and tube heat exchanger that takes wet vapor, a mixture of liquid water and steam at saturation conditions, from the turbine-generator exhaust and condenses it back into sub-cooled liquid water so it can be pumped back to
3808-474: The Biscayne Aquifer , issues with overheating, and radioactive material. Overheating in the canals twice caused the plant to shut down reactors in 2014. In September 2016, a controversial cleanup process began that included injecting hypersaline water deep into the boulder zone beneath the aquifer and/or making some of the unlined canals more shallow. 600,000 pounds of salt gets into the canal system daily, and
3920-550: The Nuclear Regulatory Commission (NRC) extended the operating licenses for both nuclear reactors from forty years to sixty years. In 2006, Florida Power & Light (FPL) informed the NRC that they planned to apply for new units to be built at Turkey Point. FPL filed an initial proposal for increased capacity with the Florida Public Service Commission in October 2007. The proposal was approved by
4032-491: The Russian invasion of Ukraine . Meanwhile, China continues to advance in nuclear energy: having 25 reactors under construction by late 2023, China is the country with the most reactors being built at one time in the world. Nuclear decommissioning is the dismantling of a nuclear power station and decontamination of the site to a state no longer requiring protection from radiation for the general public. The main difference from
4144-752: The San Onofre Nuclear Plant , said in 2011 that instead of being a watchdog, the NRC too often rules in favor of nuclear plant operators. In 2011, the Tōhoku earthquake and tsunami led to unprecedented damage and flooding of the Fukushima Daiichi Nuclear Power Plant . The subsequent loss of offsite power and flooding of onsite emergency diesel generators led to loss of coolant and subsequent Nuclear meltdown of three reactor cores. The Fukushima Daiichi nuclear disaster led to an uncontrolled release of radioactive contamination, and forced
4256-769: The Soviet Union . The world's first full scale power station, Calder Hall in the United Kingdom , opened on October 17, 1956 and was also meant to produce plutonium . The world's first full scale power station solely devoted to electricity production was the Shippingport Atomic Power Station in Pennsylvania , United States, which was connected to the grid on December 18, 1957. The conversion to electrical energy takes place indirectly, as in conventional thermal power stations. The fission in
4368-656: The UAE launched the Arab region's first-ever nuclear energy plant. Unit 1 of the Barakah plant in the Al Dhafrah region of Abu Dhabi commenced generating heat on the first day of its launch, while the remaining 3 Units are being built. However, Nuclear Consulting Group head, Paul Dorfman, warned the Gulf nation's investment into the plant as a risk "further destabilizing the volatile Gulf region, damaging
4480-464: The USGS . The Turkey Point Nuclear Generating Station consists of two operational reactors, and two additional units are planned. In 2019 the Nuclear Regulatory Commission (NRC) approved a second 20-year licence extension for units 3 and 4, the first time NRC had extended licences to an 80-year total lifetime. Speculation about the name Turkey Point, first known written reference in 1865, suggests that it
4592-741: The United States . However, the case for widespread nuclear plant construction was eroded due to abundant natural gas supplies. Many license applications for proposed new reactors were suspended or cancelled. These will not be the cheapest energy options available, therefore not an attractive investment. In 2013, four reactors were permanently closed: San Onofre 2 and 3 in California, Crystal River 3 in Florida, and Kewaunee in Wisconsin. Vermont Yankee , in Vernon,
Turkey Point Nuclear Generating Station - Misplaced Pages Continue
4704-477: The 'National Academy for Nuclear Training Program' either as early as 1980 or in September 1985 per the International Atomic Energy Agency . INPO refers to NANT as "our National Academy for Nuclear Training" on its website. NANT integrates and standardizes the training programs of INPO and US nuclear energy companies, offers training scholarships and interacts with the 'National Nuclear Accrediting Board'. This Board
4816-498: The 'Operator Requalification Rule' 59 FR 5938, Feb. 9, 1994, allowing each nuclear power plant company to conduct the operator licensing renewal examination every six years, eliminating the requirement of NRC-administered written requalification examination. In 1999, NRC issued a final rule on operator initial licensing examination, that allows companies to prepare, proctor, and grade their own operator initial licensing examinations. Facilities can "upon written request" continue to have
4928-424: The 1970s and 1980s, when it "reached an intensity unprecedented in the history of technology controversies," in some countries. Proponents argue that nuclear power is a sustainable energy source which reduces carbon emissions and can increase energy security if its use supplants a dependence on imported fuels. Proponents advance the notion that nuclear power produces virtually no air pollution, in contrast to
5040-475: The 1979 Three Mile Island accident in Pennsylvania, the NRC has often been too timid in ensuring that America's commercial reactors are operated safely: Nuclear power regulation is a textbook example of the problem of "regulatory capture" — in which an industry gains control of an agency meant to regulate it. Regulatory capture can be countered only by vigorous public scrutiny and Congressional oversight, but in
5152-485: The 1979 Three Mile Island accident , the 1986 Chernobyl disaster , and the 2011 Fukushima Daiichi nuclear disaster , corresponding to the beginning of the operation of generation II reactors . Professor of sociology Charles Perrow states that multiple and unexpected failures are built into society's complex and tightly coupled nuclear reactor systems. Such accidents are unavoidable and cannot be designed around. An interdisciplinary team from MIT has estimated that given
5264-637: The 32 years since Three Mile Island, interest in nuclear regulation has declined precipitously. An article in the Bulletin of the Atomic Scientists stated that many forms of NRC regulatory failure exist, including regulations ignored by the common consent of NRC and industry: A worker (named George Galatis ) at the Millstone Nuclear Power Plant in Connecticut kept warning management, that
5376-639: The Allegations Program, Office of Investigations, Office of Nuclear Security and Incident Response, Region I, Region II, Region III, Region IV, Office of the Chief Information Officer, Office of Administration, Office of the Chief Human Capital Officer, and Office of Small Business and Civil Rights. Of these operations offices, NRC's major program components are the first two offices mentioned above. NRC's proposed FY 2015 budget
5488-559: The Brussels supplementary convention, and the Vienna Convention on Civil Liability for Nuclear Damage . However states with a majority of the world's nuclear power stations, including the U.S., Russia, China and Japan, are not party to international nuclear liability conventions. The nuclear power debate about the deployment and use of nuclear fission reactors to generate electricity from nuclear fuel for civilian purposes peaked during
5600-507: The EISs and found significant flaws, included failure to consider significant issues of concern. It also found that the NRC management had significantly underestimated the risk and consequences posed by a severe reactor accident such as a full-scale nuclear meltdown. NRC management asserted, without scientific evidence, that the risk of such accidents were so "Small" that the impacts could be dismissed and therefore no analysis of human and environmental
5712-566: The Fukushima disaster, the NRC prepared a report in 2011 to examine the risk that dam failures posed on the nation's fleet of nuclear reactors. A redacted version of NRC's report on dam failures was posted on the NRC website on March 6. The original, un-redacted version was leaked to the public. The un-redacted version which was leaked to the public highlights the threat that flooding poses to nuclear power plants located near large dams and substantiates claims that NRC management has intentionally misled
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#17328450913445824-769: The General Counsel, Office of International Programs, Office of Public Affairs, Office of the Secretary, Office of the Chief Financial Officer, Office of the Executive Director for Operations). Christopher T. Hanson is the chairman of the NRC. There are 14 Executive Director for Operations offices: Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation , Office of Nuclear Regulatory Research, Office of Enforcement, which investigates reports by nuclear power whistleblowers , specifically
5936-556: The Japanese Government to evacuate approximately 100,000 citizens. Gregory Jaczko was chairman of the NRC when the 2011 Fukushima disaster occurred in Japan. Jaczko looked for lessons for the US, and strengthened security regulations for nuclear power plants . For example, he supported the requirement that new plants be able to withstand an aircraft crash. On February 9, 2012, Jaczko cast
6048-526: The NRC about the pipes and the NRC also did not know they existed. In March 2011, the Union of Concerned Scientists released a study critical of the NRC's 2010 performance as a regulator. The UCS said that over the years, it had found the NRC's enforcement of safety rules has not been "timely, consistent, or effective" and it cited 14 "near-misses" at U.S. plants in 2010 alone. In April 2011, Reuters reported that diplomatic cables showed NRC sometimes being used as
6160-570: The NRC approved a 20-year extension for the license of Vermont Yankee Nuclear Power Plant , although the Vermont state legislature voted overwhelmingly to deny an extension. The plant had been found to be leaking radioactive materials through a network of underground pipes, which Entergy had denied under oath even existed. At a hearing in 2009 Tony Klein, chairman of the Vermont House Natural Resources and Energy Committee had asked
6272-463: The NRC mailed the license to the West Virginia postal box. Upon receipt of the license, GAO officials were able to easily modify its stipulations and remove a limit on the amount of radioactive material they could buy. A spokesman for the NRC said that the agency considered the radioactive devices a "lower-level threat"; a bomb built with the materials could have contaminated an area about the length of
6384-469: The Nuclear Regulatory Commission is "on the defensive to prove it is doing its job of ensuring safety". In October 2011, Jaczko described "a tension between wanting to move in a timely manner on regulatory questions, and not wanting to go too fast". In 2011 Edward J. Markey , Democrat of Massachusetts, criticized the NRC's response to the Fukushima Daiichi nuclear disaster and the decision-making on
6496-613: The PSC in March 2008. FPL also planned to spend about $ 1.5 billion to increase the capacity of its existing four reactors at Turkey Point and the St. Lucie Nuclear Power Plant by a total of about 400 MW by 2012. On June 30, 2009, FPL submitted a Combined Construction and Operating License (COL) application for two 1,117-MWe Westinghouse AP1000 reactors (Units 6 and 7). FPL had considered building two 1,550-MWe GE ESBWR reactors. Construction
6608-556: The United States and elsewhere. In March 2007, undercover investigators from the Government Accountability Office set up a false company and obtained a license from the Nuclear Regulatory Commission that would have allowed them to buy the radioactive materials needed for a dirty bomb. According to the GAO report, NRC officials did not visit the company or attempt to personally interview its executives. Instead, within 28 days,
6720-567: The United States. The origins and development of NRC regulatory processes and policies are explained in five volumes of history published by the University of California Press . These are: The NRC has produced a booklet, A Short History of Nuclear Regulation 1946–2009 , which outlines key issues in NRC history. Thomas Wellock , a former academic, is the NRC historian. Before joining the NRC, Wellock wrote Critical Masses: Opposition to Nuclear Power in California, 1958–1978 . The NRC's mission
6832-552: The chief viable alternative of fossil fuel. Proponents also believe that nuclear power is the only viable course to achieve energy independence for most Western countries. They emphasize that the risks of storing waste are small and can be further reduced by using the latest technology in newer reactors, and the operational safety record in the Western world is excellent when compared to the other major kinds of power plants. Opponents say that nuclear power poses many threats to people and
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#17328450913446944-485: The costs of fuel extraction, processing, use and spent fuel storage internalized costs. Therefore, comparison with other power generation methods is strongly dependent on assumptions about construction timescales and capital financing for nuclear stations. Cost estimates take into account station decommissioning and nuclear waste storage or recycling costs in the United States due to the Price Anderson Act . With
7056-424: The destruction of a turbine in operation from flying towards the reactor. In the case of a pressurized water reactor, the steam turbine is separated from the nuclear system. To detect a leak in the steam generator and thus the passage of radioactive water at an early stage, an activity meter is mounted to track the outlet steam of the steam generator. In contrast, boiling water reactors pass radioactive water through
7168-458: The dismantling of other power stations is the presence of radioactive material that requires special precautions to remove and safely relocate to a waste repository. Decommissioning involves many administrative and technical actions. It includes all clean-up of radioactivity and progressive demolition of the station. Once a facility is decommissioned, there should no longer be any danger of a radioactive accident or to any persons visiting it. After
7280-534: The energy-intensive stages of the nuclear fuel chain are considered, from uranium mining to nuclear decommissioning , nuclear power is not a low-carbon electricity source despite the possibility of refinement and long-term storage being powered by a nuclear facility. Those countries that do not contain uranium mines cannot achieve energy independence through existing nuclear power technologies. Actual construction costs often exceed estimates, and spent fuel management costs are difficult to define. On 1 August 2020,
7392-402: The environment and raising the possibility of nuclear proliferation." Nuclear power plants do not produce greenhouse gases during operation. Older nuclear power plants, like ones using second-generation reactors , produce approximately the same amount of carbon dioxide during the whole life cycle of nuclear power plants for an average of about 11g/kWh, as much power generated by wind , which
7504-775: The environment, and that costs do not justify benefits. Threats include health risks and environmental damage from uranium mining , processing and transport, the risk of nuclear weapons proliferation or sabotage, and the problem of radioactive nuclear waste . Another environmental issue is discharge of hot water into the sea. The hot water modifies the environmental conditions for marine flora and fauna. They also contend that reactors themselves are enormously complex machines where many things can and do go wrong, and there have been many serious nuclear accidents . Critics do not believe that these risks can be reduced through new technology , despite rapid advancements in containment procedures and storage methods. Opponents argue that when all
7616-411: The environment. In addition, many reactors are equipped with a dome of concrete to protect the reactor against both internal casualties and external impacts. The purpose of the steam turbine is to convert the heat contained in steam into mechanical energy. The engine house with the steam turbine is usually structurally separated from the main reactor building. It is aligned so as to prevent debris from
7728-417: The examinations prepared and administered by NRC staff, but if a company volunteers to prepare the examination, NRC continues to approve and administer it. Since 2000 meetings between NRC and applicants or licensees have been open to the public. Between 2007 and 2009, 13 companies applied to the Nuclear Regulatory Commission for construction and operating licenses to build 25 new nuclear power reactors in
7840-513: The expected growth of nuclear power from 2005 to 2055, at least four serious nuclear accidents would be expected in that period. The MIT study does not take into account improvements in safety since 1970. Nuclear power works under an insurance framework that limits or structures accident liabilities in accordance with the Paris Convention on Third Party Liability in the Field of Nuclear Energy ,
7952-472: The five-member NRC had become "captive of the industries that it regulates". Numerous different observers have criticized the NRC as an example of regulatory capture The NRC has been accused of having conflicting roles as regulator and "salesman" in a 2011 Reuters article, doing an inadequate job by the Union of Concerned Scientists , and the agency approval process has been called a "rubber stamp". Frank N. von Hippel wrote in March 2011, that despite
8064-647: The following to fill a seat on the commission. They await Senate confirmation. The NRC consists of the commission on the one hand and offices of the executive director for Operations on the other. The commission is divided into two committees (Advisory Committee on Reactor Safeguards and Advisory Committee on the Medical Uses of Isotopes) and one Board, the Atomic Safety and Licensing Board Panel, as well as eight commission staff offices (Office of Commission Appellate Adjudication, Office of Congressional Affairs, Office of
8176-477: The future. This will reduce demand for replacement new builds. Byrne and Hoffman wrote in 1996, that since the 1980s the NRC has generally favored the interests of nuclear industry, and been unduly responsive to industry concerns, while failing to pursue tough regulation. The NRC has often sought to hamper or deny public access to the regulatory process, and created new barriers to public participation. Barack Obama , when running for president in 2007, said that
8288-406: The hot coolant is used as a heat source for a boiler, and the pressurized steam from that drives one or more steam turbine driven electrical generators . In the event of an emergency, safety valves can be used to prevent pipes from bursting or the reactor from exploding. The valves are designed so that they can derive all of the supplied flow rates with little increase in pressure. In the case of
8400-520: The industry's own Institute for Nuclear Power Operations (INPO), an organization formed by utilities in response to the Three Mile Island Accident. One example involves the license renewal program that NRC initiated to extend the operating licenses for the nation's fleet of commercial nuclear reactors. Environmental impact statements (EIS) were prepared for each reactor to extend the operational period from 40 to 60 years. One study examined
8512-517: The initial investments are financed. Because of this high construction cost and lower operations, maintenance, and fuel costs, nuclear plants are usually used for base load generation, because this maximizes the hours over which the fixed cost of construction can be amortized. Nuclear power plants have a carbon footprint comparable to that of renewable energy such as solar farms and wind farms , and much lower than fossil fuels such as natural gas and coal . Nuclear power plants are among
8624-519: The lone dissenting vote on plans to build the first new nuclear power plant in more than 30 years when the NRC voted 4–1 to allow Atlanta-based Southern Co to build and operate two new nuclear power reactors at its existing Vogtle Electric Generating Plant in Georgia. He cited safety concerns stemming from Japan's 2011 Fukushima nuclear disaster , saying "I cannot support issuing this license as if Fukushima never happened". In July 2011, Mark Cooper said that
8736-407: The loss of a safety related electrical bus and a reactor trip . Other safety systems functioned as required, ensuring adequate reactor cooling. There was no threat to local residents or the environment, and the alert, the second-lowest Nuclear Regulatory Commission (NRC) emergency declaration, was terminated later that same day. The electrical fault caused an arc flash , resulting in a minor burn of
8848-612: The mayor of Homestead, the closest community to the FPL facilities, support it. The Nuclear Regulatory Commission defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of 10 miles (16 km), concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about 50 miles (80 km), concerned primarily with ingestion of food and liquid contaminated by radioactivity. The 2010 U.S. population within 10 miles (16 km) of Turkey Point
8960-586: The need to spend more on redundant back up safety equipment. According to the World Nuclear Association , as of March 2020: The Russian state nuclear company Rosatom is the largest player in international nuclear power market, building nuclear plants around the world. Whereas Russian oil and gas were subject to international sanctions after the Russian full-scale invasion of Ukraine in February 2022, Rosatom
9072-473: The now decommissioned German Biblis Nuclear Power Plant was designed to modulate its output 15% per minute between 40% and 100% of its nominal power. Russia has led in the practical development of floating nuclear power stations , which can be transported to the desired location and occasionally relocated or moved for easier decommissioning. In 2022, the United States Department of Energy funded
9184-488: The nuclear industry already had developed training and accreditation, NRC issued a policy statement in 1985, endorsing the INPO program. NRC has a memorandum of agreement with INPO and "monitors INPO activities by observing accreditation team visits and the monthly NNAB meetings". In 1993, NRC endorsed the industry's approach to training that had been used for nearly a decade through its 'Training Rule'. In February 1994, NRC passed
9296-477: The petition asks the NRC to halt proceedings to approve the standardized AP1000 and Economic Simplified Boiling Water Reactor designs. The petitioners asked the NRC to supplement its own investigation by establishing an independent commission comparable to that set up in the wake of the less severe 1979 Three Mile Island accident . The petitioners included Public Citizen , Southern Alliance for Clean Energy , and San Luis Obispo Mothers for Peace . Following
9408-454: The power plant. This led to a domino effect that caused outages as far north as Daytona Beach and Tampa . Power was restored by 4:30 PM. The reason this malfunction caused such widespread outages was still under investigation a few days later. Walt Disney World Resort , Orlando International Airport , and Miami International Airport were among the places affected by the outage. At least 2.5 million people were without power. The blackout
9520-1453: The proposed Westinghouse AP1000 reactor design. In 2011, a total of 45 groups and individuals from across the nation formally asked the NRC to suspend all licensing and other activities at 21 proposed nuclear reactor projects in 15 states until the NRC completed a thorough post- Fukushima nuclear disaster examination: The petition seeks suspension of six existing reactor license renewal decisions ( Columbia Generating Station , WA Davis–Besse Nuclear Power Station , OH, Diablo Canyon Power Plant , CA, Indian Point Energy Center , NY, Pilgrim Nuclear Generating Station , MA, and Seabrook Station Nuclear Power Plant , NH); 13 new reactor combined construction permit and operating license decisions ( Bellefonte Nuclear Generating Station Units 3 and 4, AL, Bell Bend, Callaway Nuclear Generating Station , MO, Calvert Cliffs Nuclear Generating Station , MD, Comanche Peak Nuclear Power Plant , TX, Enrico Fermi Nuclear Generating Station , MI, Levy County Nuclear Power Plant , FL North Anna Nuclear Generating Station , VA, Shearon Harris Nuclear Power Plant , NC, South Texas Nuclear Generating Station , TX, Turkey Point Nuclear Generating Station , FL, Alvin W. Vogtle Electric Generating Plant , GA, and William States Lee III Nuclear Generating Station , SC);a construction permit decision (Bellefonte Units 1 and 2); and an operating license decision ( Watts Bar Nuclear Generating Station , TN). In addition,
9632-474: The prospect that all spent nuclear fuel could potentially be recycled by using future reactors, generation IV reactors are being designed to completely close the nuclear fuel cycle . However, up to now, there has not been any actual bulk recycling of waste from a NPP, and on-site temporary storage is still being used at almost all plant sites due to construction problems for deep geological repositories . Only Finland has stable repository plans, therefore from
9744-467: The pumps failed to start as a result of overtightened packing. The third pump failed to start because of a malfunction in the turbine regulating valve pneumatic controller. In an ongoing study of precursors that could lead to a nuclear accident if additional failures were to have occurred, the NRC concluded in October 2005 that this event at Turkey Point Unit 3 was the fifth-highest ranked occurrence. Turkey Point
9856-427: The reactor by the condensate and feedwater pumps. In the main condenser, the wet vapor turbine exhaust come into contact with thousands of tubes that have much colder water flowing through them on the other side. The cooling water typically come from a natural body of water such as a river or lake. Palo Verde Nuclear Generating Station , located in the desert about 97 kilometres (60 mi) west of Phoenix, Arizona,
9968-487: The risk posed to the nation by approximately two orders of magnitude (i.e., the true risk is about 100 greater than NRC represented). These findings were corroborated in a final report prepared by a special Washington State Legislature Nuclear Power Task Force, titled, "Doesn't NRC Address Consequences of Severe Accidents in EISs for re-licensing?" In Vermont, the day before the 2011 Tōhoku earthquake and tsunami that damaged Japan's Fukushima Daiichi Nuclear Power Plant ,
10080-540: The risks of future uncertainties. To date all operating nuclear power stations were developed by state-owned or regulated utilities where many of the risks associated with construction costs, operating performance, fuel price, and other factors were borne by consumers rather than suppliers. Many countries have now liberalized the electricity market where these risks and the risk of cheaper competitors emerging before capital costs are recovered, are borne by station suppliers and operators rather than consumers, which leads to
10192-632: The safest modes of electricity generation, comparable to solar and wind power plants. The first time that heat from a nuclear reactor was used to generate electricity was on December 21, 1951, at the Experimental Breeder Reactor I , powering four light bulbs. On June 27, 1954, the world's first nuclear power station to generate electricity for a power grid , the Obninsk Nuclear Power Plant , commenced operations in Obninsk , in
10304-478: The saltwater contamination reaches 4 miles (6.4 km) west of the system as well as possibly into Biscayne Bay . The Nuclear Regulatory Commission's estimate of the risk each year of an earthquake intense enough to cause core damage to the reactor at Turkey Point was 1 in 100,000, according to an NRC study published in August 2010. The plant is located in an area with the lowest earthquake hazard potential described by
10416-407: The same element. Different isotopes also have different half-lives . U-238 has a longer half-life than U-235, so it takes longer to decay over time. This also means that U-238 is less radioactive than U-235. Since nuclear fission creates radioactivity, the reactor core is surrounded by a protective shield. This containment absorbs radiation and prevents radioactive material from being released into
10528-406: The site is the third largest generating station in Florida and the eleventh largest power plant in the United States . The US Nuclear Regulatory Commission has authorized its staff to issue combined licences for Florida Power and Light to build and operate two Westinghouse AP1000 reactors at its Turkey Point site. The two pressurized water reactors were completed in 1972 and 1973. In 2002,
10640-691: The spent fuel rods were being put too quickly into the spent storage pool and that the number of rods in the pool exceeded specifications. Management ignored him, so he went directly to the NRC, which eventually admitted that it knew of both of the forbidden practices, which happened at many plants, but chose to ignore them. The whistleblower was fired and blacklisted. Terrorist attacks such as those executed by al-Qaeda on New York City and Washington, D.C. , on September 11, 2001 , and in London on July 7, 2005 , have prompted fears that extremist groups might use radioactive dirty bombs in further attacks in
10752-693: The steam generator and the nuclear reactor is controlled using the feedwater system. The feedwater pump has the task of taking the water from the condensate system, increasing the pressure and forcing it into either the steam generators—in the case of a pressurized water reactor — or directly into the reactor, for boiling water reactors . Continuous power supply to the plant is critical to ensure safe operation. Most nuclear stations require at least two distinct sources of offsite power for redundancy. These are usually provided by multiple transformers that are sufficiently separated and can receive power from multiple transmission lines. In addition, in some nuclear stations,
10864-487: The steam turbine, so the turbine is kept as part of the radiologically controlled area of the nuclear power station. The electric generator converts mechanical power supplied by the turbine into electrical power. Low-pole AC synchronous generators of high rated power are used. A cooling system removes heat from the reactor core and transports it to another area of the station, where the thermal energy can be harnessed to produce electricity or to do other useful work. Typically
10976-412: The substation from service, but required 1.7 s to do so. The long fault duration caused substantial power swings, and many generators tripped off-line to protect themselves from damage; Turkey Point was one such. David Hoffman, a nuclear supervisor at Turkey Point, resigned over the incident and was subsequently sued by Florida Power and Light for return of a bonus. Hoffman countersued, claiming he
11088-477: The turbine generator can power the station's loads while the station is online, without requiring external power. This is achieved via station service transformers which tap power from the generator output before they reach the step-up transformer. Nuclear power plants generate approximately 10% of global electricity, sourced from around 440 reactors worldwide. They are recognized as a significant provider of low-carbon electricity , accounting for about one-quarter of
11200-399: The two nuclear reactors, Turkey Point operates three power-generating units. It comprises two retired 404 megawatt fuel oil / natural gas / used oil / propane -fired generation units (Units 1 and 2), two 802 MW e Westinghouse pressurized water reactors (Units 3 and 4), and a 1,150 MW combined-cycle gas-fired Unit 5. With a combined operational capacity of 2754 MW,
11312-440: The utility seeking an operating license for the controversial Seabrook plant . In the late 1980s, the NRC 'created a policy' of non-enforcement by asserting its discretion not to enforce license conditions; between September 1989 and 1994, the 'NRC has either waived or chosen not to enforce regulations at nuclear power reactors over 340 times'. Finally, critics charge that the NRC has ceded important aspects of regulatory authority to
11424-455: The world's supply in this category. As of 2020, nuclear power stood as the second-largest source of low-carbon energy, making up 26% of the total. Nuclear power facilities are active in 32 countries or regions, and their influence extends beyond these nations through regional transmission grids, especially in Europe. In 2022, nuclear power plants generated 2545 terawatt-hours (TWh) of electricity,
11536-487: Was 161,556, an increase of 62.8 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within 50 miles (80 km) was 3,476,981, an increase of 15.1 percent since 2000. Cities within 50 miles include Miami (25 miles to city center). A test was performed on all three of the Emergency Feedwater (EFW) pumps serving Unit 3 while the reactor was operating at power. Two of
11648-399: Was directly hit by Hurricane Andrew on August 24, 1992, destroying two raw water tanks and portions of the fire protection systems, draining another raw water tank, partially disabling the fire protection systems, causing severe damage to various non-nuclear structures, and cracking the smokestack for fossil-fueled Unit 1. The smokestack later had to be demolished and rebuilt. It also suffered
11760-459: Was even performed. Such a conclusion is scientifically indefensible given the experience of the Three Mile Island , Chernobyl , and Fukushima accidents. Another finding was that NRC had concealed the risk posed to the public at large by disregarding one of the most important EIS requirements, mandating that cumulative impacts be assessed (40 Code of Federal Regulations §1508.7). By disregarding this basic requirement, NRC effectively misrepresented
11872-554: Was expected to begin in 2012, with the new units going online in 2017 and 2019. FPL estimated the total overnight costs of the power plants, including first fuel load, at $ 6.8–$ 9.9 billion, and the total project cost at $ 12.1–$ 17.8 billion. The COLs for units 6 and 7 were authorized by the NRC in April 2018. The expansion received criticism from some South Florida mayors over concerns about water usage, insufficient evacuation zones and increased risks from rising sea levels . However,
11984-563: Was initially caused by an overheated voltage switch that soon caught fire at in a power substation in Miami, 23 miles away from the plant. Although the substation had protective relays to isolate the electrical fault from the broader transmission system, a local engineer was troubleshooting a failure within the substation at the time of the blackout, and had temporarily disabled the protection systems contrary to Florida Power & Light policy. Additional layers of protection eventually removed
12096-477: Was not targeted by sanctions. However, some countries, especially in Europe, scaled back or cancelled planned nuclear power plants that were to be built by Rosatom. Modern nuclear reactor designs have had numerous safety improvements since the first-generation nuclear reactors. A nuclear power plant cannot explode like a nuclear weapon because the fuel for uranium reactors is not enriched enough, and nuclear weapons require precision explosives to force fuel into
12208-592: Was perceived as unduly favoring the industry it was charged with regulating. The NRC was formed as an independent commission to oversee nuclear energy matters, oversight of nuclear medicine , and nuclear safety and security . The U.S. AEC became the Energy Research and Development Administration (ERDA) in 1975, responsible for development and oversight of nuclear weapons . Research and promotion of civil uses of radioactive materials, such as for nuclear non-destructive testing , nuclear medicine, and nuclear power ,
12320-426: Was pressured to restart the reactors while they were in a condition which in his judgment made it unsafe to do so. Upper management wanted the reactors restarted during xenon dead time , which would have led to the operators at the controls having to continuously step control rods to safely manage reactor output. Florida Power and Light responded to the allegation, claiming Hoffman's suit was "self-motivated". The site
12432-464: Was shut down on December 29, 2014. New York state eventually closed Indian Point Energy Center , in Buchanan, 30 miles from New York City, on April 30, 2021. In 2019 the NRC approved a second 20-year license extension for Turkey Point units 3 and 4, the first time NRC had extended licenses to 80 years total lifetime. Similar extensions for about 20 reactors are planned or intended, with more expected in
12544-982: Was split into the Office of Nuclear Energy, Science & Technology within ERDA by the same act. In 1977, ERDA became the United States Department of Energy (DOE). In 2000, the National Nuclear Security Administration was created as a subcomponent of DOE, responsible for nuclear weapons. Following the Fukushima nuclear disaster in 2011, the NRC developed a guidance strategy known as "Diverse and Flexible Coping Strategies (FLEX)" which requires licensee nuclear power plants to account for beyond-design-basis external events (seismic, flooding, high-winds, etc.) that are most impactful to reactor safety through loss of power and loss of ultimate heat sink. FLEX Strategies have been implemented at all operating nuclear power plants in
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