Rolls-Royce Holdings plc is a British multinational aerospace and defence company incorporated in February 2011. The company owns Rolls-Royce, a business established in 1904 which today designs, manufactures and distributes power systems for aviation and other industries. Rolls-Royce is the world's second-largest maker of aircraft engines and has major businesses in the marine propulsion and energy sectors.
Électricité de France SA, commonly known as EDF, is a French multinational electric utility company owned by the government of France. Headquartered in Paris, with €139.7 billion in sales in 2023, EDF operates a diverse portfolio of at least 120 gigawatts of generation capacity in Europe, South America, North America, Asia, the Middle East, and Africa. In 2009, EDF was the world's largest producer of electricity. Its 56 active nuclear reactors in France are spread out over 18 sites. They comprise 32 reactors of 900 MWe, 20 reactors of 1,300 MWe, and 4 reactors of 1,450 MWe, all PWRs.
The EPR is a Generation III+ pressurised water reactor design. It has been designed and developed mainly by Framatome and Électricité de France (EDF) in France, and by Siemens in Germany. In Europe this reactor design was called European Pressurised Reactor, and the internationalised name was Evolutionary Power Reactor, but is now simply named EPR.
Nuclear power in the United Kingdom generated 16.1% of the country's electricity in 2020. As of August 2022, the UK has 9 operational nuclear reactors at five locations, producing 5.9 GWe. It also has nuclear reprocessing plants at Sellafield and the Tails Management Facility (TMF) operated by Urenco in Capenhurst.
The Sizewell nuclear site consists of two nuclear power stations, one of which is still operational, located near the small fishing village of Sizewell in Suffolk, England. Sizewell A, with two Magnox reactors, is now in the process of being decommissioned. Sizewell B has a single pressurised water reactor (PWR) and is the UK's newest nuclear power station. A third power station, to consist of twin EPR reactors, is planned to be built as Sizewell C.
The B&W mPower was a proposed small modular reactor designed by Babcock & Wilcox, and to be built by Generation mPower LLC, a joint venture of Babcock & Wilcox and Bechtel. It was a Generation III+ integral pressurized water reactor concept.
NuScale Power Corporation is a publicly traded American company that designs and markets small modular reactors (SMRs). It is headquartered in Portland, Oregon. A 50 MWe version of the design was certified by the US Nuclear Regulatory Commission (NRC) in January 2023. The current scalable 77 MWe SMR VOYGR design was submitted for NRC review on January 1, 2023, and as of December 2023 was about a third complete.
Small modular reactors (SMRs) are a class of small nuclear fission reactors, designed to be built in a factory, shipped to operational sites for installation and then used to power buildings or other commercial operations. The term SMR refers to the size, capacity and modular construction. Reactor type and the nuclear processes may vary. Of the many SMR designs, the pressurized water reactor (PWR) is the most common. However, recently proposed SMR designs include: generation IV, thermal-neutron reactors, fast-neutron reactors, molten salt, and gas-cooled reactor models. Commercial SMRs have been designed to deliver an electrical power output as low as 5 MWe (electric) and up to 300 MWe per module. SMRs may also be designed purely for desalinization or facility heating rather than electricity. These SMRs are measured in megawatts thermal MWt. Many SMR designs rely on a modular system, allowing customers to simply add modules to achieve a desired electrical output.
Horizon Nuclear Power is a British energy company that was expected to build new nuclear power stations in the United Kingdom. It was established in 2009, with its head office in Gloucester, and is now owned by Hitachi.
GE Hitachi Nuclear Energy (GEH) is a provider of advanced reactors and nuclear services. It is headquartered in Wilmington, North Carolina, United States. Established in June 2007, GEH is a nuclear alliance created by General Electric and Hitachi. In Japan, the alliance is Hitachi-GE Nuclear Energy. In November 2015, Jay Wileman was appointed CEO.
Poland currently operates a single research reactor, Maria. It has no operational nuclear reactors for power production, but is to start construction of a plant with three Westinghouse AP1000 reactors in 2026 to be completed in 2033-2036, and is also intending to build small modular reactors.
The Office for Nuclear Regulation (ONR) is the regulator for the nuclear industry in the United Kingdom. It is an independent statutory corporation whose costs are met by charging fees to the nuclear industry. The ONR reports to the Department for Work and Pensions, although it also worked closely with the now-defunct Department of Energy and Climate Change.
Holtec International is a supplier of equipment and systems for the energy industry. Founded in Mount Laurel, New Jersey in 1986, Holtec International is a privately-held technology company with domestic operation centers in New Jersey, Florida, Ohio and Pennsylvania and worldwide in Brazil, India Japan, Mexico, Poland, South Africa, Spain, U.K. and Ukraine. It specializes in the design and manufacture of parts for nuclear reactors. The company sells equipment to manage spent nuclear fuel from nuclear reactors.
Moorside nuclear power station is proposed for a site near Sellafield, in Cumbria, England. The original plan by NuGeneration, a British subsidiary of Toshiba-owned Westinghouse Electric Company, had the station coming online from 2024 with 3.4 GW of new nuclear capacity, from three AP1000 reactors. Work up to 2018 would include acquiring the site licence, the development consent order, and other required permits and permissions to start work. Site preparation was to take two years, up to 2020.
Moorside clean energy hub is a proposal put forward on 30 June 2020 by two consortia, one led by EDF and the other by Rolls-Royce, to create an energy hub that would produce electricity and hydrogen through the use of nuclear power and renewable energy.
Sizewell C nuclear power station is a project to construct a 3,200 MWe nuclear power station with two EPR reactors in Suffolk, England. The project was proposed by a consortium of EDF Energy and China General Nuclear Power Group, which own 80% and 20% of the project respectively. In 2022, UK Government announced a buy-out to allow for the exit of CGN from the project and forming a 50% stake with EDF, though EDF expect this to fall below 20% following anticipated external investment. As of 30 June 2024, the project is 76.1% owned by the UK Government and 23.9% owned by EDF. The power station is expected to meet up to 7% of the UK's demand.
The SSN-AUKUS, also known as the SSN-A, is a planned class of nuclear-powered fleet submarine (SSN) intended to enter service with the United Kingdom's Royal Navy in the late 2030s and Royal Australian Navy in the early 2040s. The class will replace the UK's Astute-class and Australia's Collins-class submarines.
U-battery is a micro–small modular reactor design of a nuclear reactor.
Last Energy is an American commercial developer of micro-modular nuclear power plants, established in 2019 by Bret Kugelmass as the commercial spinoff of the Energy Impact Center, an American clean energy research institute.
