The industry of nuclear power plant companies is a dynamic and vital sector in the global energy market. These firms specialize in various aspects of nuclear energy, from designing and constructing nuclear power plants to maintaining and advancing existing facilities. Some companies focus on manufacturing components, producing fuel, and providing reactor services. Other firms offer a wide range of services including planning and licensing, fuel handling, decontamination, waste management, and implementing advanced nuclear technologies. The future trend of this industry seems to point towards innovative solutions for safe and sustainable energy production.


Top 24 Nuclear Power Plant Companies

1. Areva

  • Website: areva.com
  • Headquarters: Paris La Defense, France, France
  • Founded: 2001
  • Headcount: 10001+
  • LinkedIn

AREVA is a nuclear energy company that specializes in designing, building, maintaining, and advancing nuclear power plants worldwide. They offer innovative solutions and value-added technologies for the global nuclear fleet. With expertise in component manufacturing, fuel production, and reactor services, AREVA plays a major role in the nuclear energy market.


2. Westinghouse Electric Company

  • Website: westinghousenuclear.com
  • Headquarters: Cranberry Township, Pennsylvania, United States
  • Founded: 1884
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

Westinghouse Nuclear is a global leader in providing tomorrow's energy solutions. They specialize in planning and licensing, spent fuel services, cranes and fuel handling, decontamination, nuclear components manufacturing, dismantling, and waste management. With a focus on safety and innovation, they offer a wide range of products and services for the nuclear industry.


3. GE Power & Water

  • Website: gepower.com
  • Headquarters: Alvaro Obregon, Cdmx, Mexico
  • Founded: 1998
  • Headcount: 10001+
  • LinkedIn

GE Hitachi Nuclear Energy (GEH) is a world-leading provider of advanced reactor technology, fuel, and nuclear services. They offer solutions and services in the nuclear power industry, including the BWRX-300, NATRIUM, ESBWR, ABWR, and PWR technologies.


4. Ansaldo Energia

  • Website: ansaldoenergia.com
  • Headquarters: Genova, Liguria, Italy
  • Founded: 1853
  • Headcount: 1001-5000
  • Latest funding type: Private Equity
  • LinkedIn

Ansaldo Energia is a company that focuses on safety, security, quality, and sustainability in the nuclear energy sector. They offer innovative solutions for future nuclear technologies, including fusion, Generation IV, and small modular reactors. They also specialize in nuclear plant EPC contracting and system integration, as well as decommissioning and waste treatment solutions. Their services include optimization of emission and performance for gas turbines, steam turbines, and turbomachinery. Ansaldo Energia aims to provide efficient and sustainable energy solutions for the future.


5. Eletronuclear

Eletronuclear is a company operating in the energy sector, specifically in the field of nuclear power. They are responsible for the operation and management of nuclear power plants. With a focus on safety and sustainability, Eletronuclear plays a crucial role in providing clean and reliable energy to the country.


6. Societatea Nationala Nuclearelectrica SA

  • Website: nuclearelectrica.ro
  • Headquarters: Bucharest, Choose From Lis, Romania
  • Founded: 1998
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

Nuclearelectrica is a Romanian company registered under the Ministry of Energy that specializes in the production of nuclear fuel and thermal and electric energy. They are also involved in investment and development projects related to nuclear power plants in Romania.


7. Sargent & Lundy

Sargent & Lundy is a global leader in power and energy with expertise in grid modernization, renewable energy, energy storage, nuclear power, and fossil fuels. They offer comprehensive project services, including consulting, design, and implementation, as well as construction management, commissioning, and operations/maintenance.


8. Nawah Energy Company

  • Website: nawah.ae
  • Headquarters: Abu Dhabi, Abu Dhabi, United Arab Emirates
  • Founded: 2016
  • Headcount: 1001-5000
  • LinkedIn

Nawah Energy Company is a subsidiary of the Emirates Nuclear Energy Corporation (ENEC) and Korea Electric Power Corporation (KEPCO). It operates and maintains Units 1-4 of the Barakah Nuclear Energy Plant in the UAE. Nawah harnesses the power of nuclear energy to provide a safe, reliable, clean, and sustainable supply of low-carbon electricity.


9. STP Nuclear Operating Company

  • Website: stpnoc.com
  • Headquarters: Wadsworth, Texas, United States
  • Founded: 1971
  • Headcount: 1001-5000
  • LinkedIn

STP Nuclear Operating Company (stpnoc.com) is a leading nuclear power company that operates the South Texas Project Electric Generating Station. With two units producing 2,700 megawatts of carbon-free electricity, STP provides clean energy to two million Texas homes. The company is committed to nuclear safety, plant operations improvement, and safe and reliable energy generation.


10. Southern Nuclear

Southern Nuclear is a subsidiary of Southern Company and is a leading operator of nuclear energy facilities. With a commitment to safety and industry-leading performance, they provide carbon-free electricity to millions of homes and businesses. They prioritize community engagement and actively give back to the communities near their operating plants.


11. Mvm

  • Website: mvm.hu
  • Headquarters: Budapest, Pest, Hungary
  • Founded: 1963
  • Headcount: 10001+
  • LinkedIn

MVM.hu is a company offering various services in the energy sector. They provide energy production, distribution, and trading solutions. With a strong regional presence and a commitment to high ethical standards, MVM.hu is a reliable partner in the energy industry.


12. Entergy

  • Website: entergy.com
  • Headquarters: New Orleans, Louisiana, United States
  • Founded: 1913
  • Headcount: 10001+
  • LinkedIn

Entergy Corporation is a diversified energy company that provides electricity to millions of customers across Arkansas, Louisiana, Mississippi, New Orleans, and Texas. The company offers sustainable financing, system planning, and requests for proposals. It also focuses on diversity, inclusion, and belonging, as well as environmental and social governance. Entergy operates in the power generation, transmission, and nuclear generation sectors, and is committed to renewable energy and energy efficiency. The company serves residential and business customers, and is dedicated to corporate social responsibility and economic development.


13. Dietsmann

  • Website: dietsmann.com
  • Headquarters: Breda, North Brabant, Monaco
  • Founded: 1977
  • Headcount: 5001-10000
  • LinkedIn

Dietsmann is the leading independent Operation & Maintenance specialist for continuous-production plant in the energy industry, with over 40 years of experience. The company operates and maintains hundreds of production facilities globally, utilizing effective operational methods and specialist maintenance technology.


14. Uniper

  • Website: uniper.energy
  • Headquarters: Düsseldorf, Nrw, Germany
  • Founded: 2016
  • Headcount: 10001+
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Uniper.energy is a company providing energy solutions and services to various industries. They offer a wide range of products, including renewable energy, power generation, and energy management solutions.


15. Rosatom Southeast Asia

ROSATOM Asia is a global technology leader and the State Atomic Energy Corporation of Singapore. They offer a wide range of products and services, including nuclear power, uranium enrichment, nuclear medicine, and non-nuclear solutions like hydro and wind power.


16. Empresarios Agrupados

Empresarios Agrupados is a company committed to excellence in developing advanced renewable energy projects. With over 30 years of experience, they specialize in simulation products, transformation of public spaces, and international recognition in water and art. They have generated more than 60 GW of power and offer services in nuclear, conventional, renewable, and energy transition sectors.


17. J-power

  • Website: jpower.co.jp
  • Headquarters: Tokyo, Tokyo, Japan
  • Founded: 1952
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

J-POWER is a company that operates power plants and provides electricity generation services. They specialize in the development, construction, maintenance, and operation of power facilities. Their offerings include the production and supply of electricity from various sources, such as thermal, hydro, and renewable energy.


18. Epz

  • Website: epz.nl
  • Headquarters: Borssele, Zeeland, Netherlands
  • Headcount: 201-500
  • LinkedIn

EPZ is a company involved in the production of nuclear energy in the Netherlands. They operate a nuclear power plant and are responsible for the supply of fuel for their facility. Their focus is on ensuring the safe and efficient generation of electricity through nuclear power.


19. PreussenElektra

Preussenelektra.de is a company that operates power plants and is responsible for the decommissioning of nuclear power plants. They provide information about their power plants, career opportunities, company history, and their corporate governance. They offer services related to the operation and dismantling of nuclear power plants.


20. Energy Harbor

  • Website: energyharbor.com
  • Headquarters: Akron, Ohio, United States
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Energy Harbor is a company that offers energy solutions and services. They provide a range of products and services related to the energy industry, including energy generation, trading, and supply. Their aim is to help customers optimize their energy usage and reduce costs.


21. Talen Energy

Talen Energy is a company focused on being a Force for Good in the energy sector and leading the energy transition. They are committed to decarbonization, renewables, battery storage, and digital infrastructure, while reducing negative environmental and social impact.


22. Pakistan Atomic Energy Commission (PAEC)

  • Website: paec.gov.pk
  • Headquarters: Islamabad, Islamabad, Pakistan
  • Founded: 1956
  • Headcount: 5001-10000
  • LinkedIn

Pakistan Atomic Energy Commission (PAEC) is a government organization responsible for the country's nuclear power program. They focus on the development and usage of nuclear technology for various applications such as power generation, agriculture, medicine, and industry.


23. STEAG Energy Services GmbH

STEAG Energy Services is a company that offers comprehensive IT solutions for facility monitoring, optimization, and operation management. They support the planning, operation, and maintenance of power plants, waste incineration plants, cement plants, and wind turbines. Their range of services encompasses fossil fuel and renewable energy supply, as well as electrical and heating networks and energy storage. They are experts in developing sustainable and cost-effective supply concepts.


24. EDRA Power Holdings Sdn Bhd

Edra Energy is a power company specializing in energy generation and distribution. They have a diverse portfolio of assets in Malaysia, the Middle East, North Africa, and South Asia. With a strong focus on sustainability, Edra Energy is committed to providing reliable and efficient energy solutions.


Want to find more nuclear power plant companies?


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