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Small modular reactors, fuel, and services

For more than 60 years, GE Vernova Hitachi Nuclear Energy (GVH) has advanced nuclear technology to power communities worldwide. Today, we are redefining carbon-free* generation with the innovative BWRX-300 small modular reactor (SMR), supported by our expertise in nuclear fuel and services.

Learn more about our BWRX-300 SMR

Overview
BWRX-300
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How GVH is helping to shape the future of nuclear energy

Building on our legacy of innovation and experience, we are boldly advancing the next-generation of nuclear energy through the BWRX-300 small modular reactor (SMR) and proven fuel technology, providing reliable, carbon-free energy solutions engineered to meet the world’s growing energy needs.

From proven reactor technology to advanced small modular reactors, we are shaping the future of nuclear energy.

60+ YEARS

of nuclear innovation

FIRST

Western SMR under construction

PROVEN

reactor technology

ADVANCED

fuel technology

Innovation built on proven experience

BWRX-300: GE Vernova Hitachi’s advanced small modular reactor

Powered by commercially available fuel, the BWRX-300 features an innovative and simplified configuration, resulting in less concrete and steel needed for construction. The BWRX-300 is a cost-competitive solution that can be deployed for electricity generation and industrial applications, including hydrogen production, desalination, and district heating.

It features significantly less capital cost per MW when compared with a typical water-cooled reactor, and using a combination of modular and open-top construction techniques, the BWRX-300 SMR can be built in approximately 24–36 months from first nuclear concrete pour to ready for fuel load for nth-of-a-kind units.

SMRs are on their way. Watch the video to see the progress for yourself.

Learn more about the BWRX-300 SMR

Solutions

Powering the future of nuclear energy

GE Vernova Hitachi provides advanced nuclear solutions that support more reliable, carbon-free power generation worldwide. Built on decades of proven reactor experience, our integrated approach spans reactor configuration, fuel, and lifecycle services, helping customers reduce risk, improve performance, and accelerate nuclear deployment.

Advanced reactor technology

Our boiling water reactor configurations are a cornerstone of modern nuclear power generation, offering efficient, reliable electricity backed by decades of operating experience.

Advanced nuclear fuel technology | GNF

Advanced fuel technologies support today’s operating nuclear plants and next-generation reactors, helping utilities improve performance, reliability, and economics.

Nuclear services and lifecycle solutions

With more than six decades of industry experience, we support nuclear plants with services that help enhance plant performance, improve operations, and extend operational life.

A legacy of achievement

GE Vernova Hitachi’s history of nuclear innovation

1939 1955 1957 1962 1974 1986 1996 2014 2017 2020 2022 2023 2024 2025

1939

First GE involvement in nuclear physics

Following the discovery of nuclear fission in Europe, GE begins investigating the practicality of using nuclear energy to supply consumer electricity.

1955

GE Atomic Division established

The Atomic Energy Act of 1954 increased support for a civilian nuclear industry. GE created its nuclear (atomic) energy division to develop the technologies that would help bring nuclear energy to the masses.

1957

Vallecitos BWR AEC License #1

Located about 30 miles east of San Francisco, CA, this experimental reactor delivered 40K MW hours of electricity to the local utility grid from 1957 to 1963.

1962

NPD achieves full power—first reactor in Canada

The 20 MW deuterium uranium reactor realized unique on-power refueling concepts: using natural uranium fuel and a heavy water moderator and coolant.

1974

25th BWR—Peach Bottom Unit 3

Located about 50 miles southeast of Harrisburg, PA, this plant puts out 1,382 MW following an approved uprate in 2018.

1986

50th BWR—River Bend Nuclear Generating Station

Located about 30 miles north of Baton Rouge, LA, this plant puts out about 974 MW following an approved uprate in 2003.

1996

1st Gen III reactor (ABWR) built on-time on-budget

Built in Japan, this featured modular construction and can meet power generation needs ranging from 1,350 to 1,460 MW net.

2014

ESBWR U.S. NRC License

The Economic Simplified Boiling-Water Reactor was built with 25% fewer pumps and mechanical drives than existing active safety plants to generate as much as 1,520 MW.

2017

BWRX-300 launched

When wind, solar, or hydro aren’t available, the BWRX-300 is a highly available power source for those concerned about energy security.

2020

Natrium™ launched

A key enabler of wind and solar technologies, Natrium was jointly developed with TerraPower, and stores more energy than typical battery facilities to use when the wind isn’t blowing or the sun isn’t shining.

2022

First commercial contract for BWRX-300

Under this contract’s terms, the Darlington New Nuclear Project site in Clarington, Ontario, Canada, will be the first site in the world to deploy the next generation SMR.

2023

TVA, OPG, and SGE invest in BWRX-300 common design

Three international power companies in the US, Canada, and Poland agree to invest in developing the next generation modular reactor for their respective countries.

2024

BWRX-300 completes Step 1 of UK’S GDA process

The BWRX-300 successfully completes Step 1 of the UK’s Generic Design Assessment (GDA) process, advancing the technology’s prospects in the UK and other international markets.

2025

Darlington site receives full approval for BWRX-300 construction

Deployment of four BWRX-300s at the Darlington site receives final approval from Province of Ontario and Ontario Power Generation and full-scale construction of the first unit begins.

Nuclear energy explained

Learn the basics of nuclear power

Learn how nuclear power works, from fission and reactor types to how nuclear energy generates electricity that supports grid stability and reduces carbon emissions.

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Recent commercial wins

GE Vernova Hitachi Nuclear Energy news and industry highlights

United States

NRC issues first U.S. construction permit for a BWRX-300 SMR at TVA’s Clinch River site

September 29, 2026 – The U.S. Nuclear Regulatory Commission issued the Tennessee Valley Authority (TVA) a construction permit for a BWRX-300 small modular reactor at its Clinch River site in Oak Ridge, Tennessee. This is the first such permit in the U.S. and marks a significant milestone for TVA, GE Vernova Hitachi, and the nuclear industry as the country expands nuclear deployment.

Studsvik, GE Vernova Hitachi and Samsung C&T commit to advancing 1.2 GW nuclear power project in Sweden

September 3, 2026 – Studsvik, GE Vernova Hitachi Nuclear Energy, Samsung C&T, and DS Investment Partners have entered into an agreement to advance the ReFirm nuclear program at Studsvik’s sites in Sweden, targeting an initial four-unit BWRX-300 project with ~1.2 GW of nuclear capacity, with the first unit expected online in the mid-2030s.

Blue Energy, GE Vernova Hitachi Sign Agreement to Launch Next Phase of Texas Gas-Plus-Nuclear Project

August 13, 2026 – Blue Energy, a vertically integrated deployment platform for financeable, prefabricated nuclear power plants and GE Vernova Hitachi Nuclear Energy (GVH), today announced the signing of an agreement that launches the next phase of their collaboration to deploy a 2.5 GW gas-plus-nuclear power plant in Texas.

GE Vernova Hitachi and Velan expand collaboration to support BWRX-300 small modular reactor deployment in Europe

June 17, 2026 — GVH and Canadian manufacturer Velan announced a collaboration to explore opportunities for Velan to supply Reactor Integral Isolation Valves (RIIV) and Containment Isolation Valves (CIV) for GVH's BWRX-300 SMR projects in Europe.

GE Vernova Hitachi Nuclear Energy and AFRY to collaborate in the deployment of the BWRX-300 small modular reactor

April 7, 2026 – GE Vernova Hitachi Nuclear Energy (GVH) today announced that it has entered into a Main Services Agreement (MSA) with AFRY, a leading Swedish engineering, project management and advisory company, to support the deployment of its BWRX-300 small modular reactor (SMR) technology.

GE Vernova and Hitachi to explore deployment of BWRX-300 small modular reactor in Southeast Asia

March 14, 2026 – GE Vernova (NYSE: GEV) and Hitachi, Ltd. (TSE: 6501, “Hitachi”) have entered into a Memorandum of Understanding (MoU) to explore opportunities to deploy the BWRX-300 small modular reactor in Southeast Asia.

Global Nuclear Fuel awarded fuel supply contract by Entergy for Grand Gulf and River Bend nuclear power plants

March 10, 2026 – Global Nuclear Fuel (GNF, a GE Vernova-led alliance with Hitachi, Ltd. and affiliate of GE Vernova Hitachi Nuclear Energy) today announced it has been awarded a contract by Entergy to continue to fuel its Grand Gulf and River Bend Station nuclear power plants.

Deployment of BWRX-300 small modular reactor in Poland takes major step forward with design development

February 24, 2026 – GE Vernova Hitachi Nuclear Energy (GVH) and Orlen Synthos Green Energy (OSGE) have signed an agreement to advance the Polish generic design of the BWRX-300 small modular reactor (SMR).

BWRX-300 small modular reactor reaches regulatory milestone in the UK

December 11, 2025 – The GE Vernova Hitachi Nuclear Energy (GVH) BWRX-300 small modular reactor (SMR) has completed Step 2 of the Generic Design Assessment (GDA) process in the UK.

GE Vernova Hitachi’s BWRX-300 small modular reactor to be located at Clinch River

December 2, 2025– The U.S. Department of Energy (DOE) has announced a $400 million grant to the Tennessee Valley Authority (TVA) to continue to accelerate deployment of GE Vernova Hitachi Nuclear Energy’s BWRX-300 small modular reactor (SMR).

GE Vernova Hitachi Nuclear Energy and Samsung C&T form strategic alliance to advance deployment of the BWRX-300 small modular reactor

Oct 1, 2025 - GE Vernova Hitachi Nuclear Energy (GVH) and Samsung C&T, a leading construction and engineering company, have announced a strategic alliance to advance the deployment of the BWRX-300 small modular reactor (SMR) in strategic global markets, outside North America.

Global Nuclear Fuel introduces next generation fuel product

Oct 6, 2025 - Global Nuclear Fuel (GNF, a GE Vernova-led alliance with Hitachi, Ltd.) today announced the introduction of GNF4, a next generation nuclear fuel product built on a 60-year legacy of boiling water reactor (BWR) fuel design innovation and performance.

BWRX-300 small modular reactor down selected by Vattenfall

Aug 21, 2025 – The GE Vernova Hitachi Nuclear Energy (GVH) BWRX-300 small modular reactor (SMR) has been down selected by Vattenfall as it evaluates the construction of new reactors adjacent to its Ringhals plant site on the Värö Peninsula in Sweden.

Fuel rods manufactured by Global Nuclear Fuel to be evaluated at Pacific Northwest National Laboratory

Aug 13, 2025 – High burnup fuel rods, manufactured by Global Nuclear Fuel (GNF, a GE Vernova-led joint venture with Hitachi, Ltd.) have been delivered to the U.S. Department of Energy’s (DOE) Pacific Northwest National Laboratory (PNNL) for examination after commercial operation.

GVH and Fortum sign early works agreement to advance potential deployment of BWRX-300 small modular reactor

Jul 1, 2025 - GE Vernova Hitachi Nuclear Energy (GVH) and Fortum have entered into an early works agreement to advance potential deployment of the BWRX-300 small modular reactor (SMR) in Finland and Sweden.

GVH to establish Canadian small modular reactor engineering and service center in Ontario

Jun 23, 2025 - GE Vernova Hitachi Nuclear Energy (GVH) today announced plans to establish a cutting-edge Canadian BWRX-300 Engineering and Service Centre in Durham region near the Ontario Power Generation (OPG) Darlington New Nuclear Project site.

BWRX-300 small modular reactor approved for construction by the Province of Ontario and Ontario Power Generation

May 8, 2025 - GE Vernova Hitachi Nuclear Energy (GVH), today announced that construction of the first BWRX-300 small modular reactor has been approved by the Province of Ontario and Ontario Power Generation (OPG)

GVH & Ontario Power Generation to build first small modular reactor in western world in Canada

May 08, 2025 - GE Vernova Hitachi Nuclear Energy (GVH) announced today approval from the Province of Ontario and Ontario Power Generation (OPG) to proceed with deployment of the first small modular reactor (SMR) in the Western world at the Darlington nuclear site in Ontario, Canada.

GE Vernova’s nuclear business accelerates UK SMR deployment with MoUs

Feb 4, 2025 - GE Vernova’s nuclear business, GE Hitachi Nuclear Energy (GEH), has signed another series of Memorandum of Understanding (MoUs) with two major UK nuclear engineering firms—Boccard and Cavendish Nuclear.

GE Hitachi awards contract for BWRX-300 reactor pressure vessel to BWXT

Jan 27, 2025 - GE Vernova announced that it will manufacture BWX Technologies, Inc.’s (BWXT) reactor pressure valve for Ontario Power Generation’s first BWRX-300 small modular reactor at its Darlington New Nuclear Project site.

U.S. utilities team up to accelerate deployment of GE Vernova’s BWRX-300 small modular reactor

Jan 17, 2025 - GE Vernova announced its part in a coalition of utility companies and supply chain partners collaborating to accelerate the BWRX-300 small modular reactor’s deployment in the U.S.

GE Vernova selects Worley Chemetics for BWRX-300 SMR build

Oct 31, 2024 – GE Vernova taps Worley Chemetics to design a key safety system for North America's first BWRX-300 small modular reactor.

GE Vernova among DOE winners for nuclear fuel supply

Oct 8, 2024 – GE Vernova among awarded contracts to build U.S. supply chain for advanced nuclear fuels under DOE's Investing in America plan.

GE Vernova taps Velan for Canada’s first SMR project

Oct 10, 2024 – GE Vernova selects Velan to supply valves for Canada's first BWRX-300 small modular nuclear reactor at Darlington.

GE Vernova signs MoUs to advance SMR delivery in UK

Sep 9, 2024 – GEH signs MoUs with Aecon, AtkinsRéalis, Jacobs, and Laing O’Rourke to advance BWRX-300 technology.

Vattenfall shortlists GE Vernova for Swedish SMR project

Jun 12, 2024 – Vattenfall shortlists GE Vernova for SMR evaluation as part of new nuclear plans at Sweden's Ringhals site.

GE Vernova fuel rods to be evaluated at Oak Ridge lab

May 9, 2024 – GE Vernova's advanced fuel rods sent to Oak Ridge Lab for testing after use in a U.S. power plant.

GE Hitachi forms supplier group to advance BWRX-300 SMR

Apr 29, 2024 – GE Hitachi Nuclear Energy forms a supplier group to advance the global deployment of the BWRX-300 small modular reactor.

GE Hitachi hosts UK conference on SMR opportunities

Mar 21, 2024 – GE Hitachi meets with 150+ UK suppliers to discuss BWRX-300 SMR deployment and supply chain roles.

GE Vernova cleared to produce advanced nuclear fuel

Feb 14, 2024 - GE Vernova's Global Nuclear Fuel receives U.S. approval to produce, ship, and analyze fuel with up to 8% Uranium-235 enrichment.

GE Vernova selected for UK Future Nuclear Enabling Fund

Jan 25, 2024 – GE Vernova awarded £33.6M UK grant to advance BWRX-300 SMR, supporting UK energy security and decarbonization goals by 2050.

SaskPower and GE Hitachi sign deal for SMR development

Jan 30, 2024 – SaskPower and GE Hitachi collaborate on BWRX-300 SMR, advancing planning, expertise sharing, and workforce development in Saskatchewan.

Environmental permitting of Polish SMR plant progresses

Feb 5, 2024 - Orlen Synthos Green Energy (OSGE) can now begin environmental and siting research for its planned SMR project in Małopolska, Poland.

GEH selected for UK Future Nuclear Enabling Fund

Jan 25, 2024 - GE Hitachi Nuclear Energy welcomes confirmation of a £33.6 million UK Future Nuclear Enabling Fund grant from the Department for Energy Security & Net Zero.

Polish nuclear authority provides general opinion on BWRX-300

May 23, 2023 - The President of the National Atomic Energy Agency has confirmed to ORLEN Synthos Green Energy (OSGE) that the design of GE Hitachi’s BWRX-300 SMR reactor meets nuclear safety requirements.

A legendary agreement

Mar 23. 2023 - Tennessee Valley Authority, Ontario Power Generation and Synthos Green Energy have jointly invested in the development of GE Hitachi’s SMR technology.

New BWRX-300 deployment in Estonia

Feb 8, 2023 - Fermi Energia has selected GE Hitachi’s SMR to help meet its energy security and climate goals.

Fortum sign early works agreement to advance potential deployment of BWRX-300 small modular reactor

July 1, 2025 – GE Vernova Hitachi Nuclear Energy (GVH) and Fortum have entered into an early works agreement to advance potential deployment of the BWRX-300 small modular reactor (SMR) in Finland and Sweden.

Global Nuclear Fuel’s GENUSA awarded fuel supply contract by Vattenfall for Forsmark Plant in Sweden

February 19, 2026 – Global Nuclear Fuel (GNF, a GE Vernova-led alliance with Hitachi, Ltd. and affiliate of GE Vernova Hitachi Nuclear Energy (GVH)) and ENUSA today announced the awarding of a contract to provide fuel reloads for Vattenfall’s Forsmark Nuclear Power Plant in Sweden.

Want to learn more about GE Vernona Hitachi's nuclear energy offerings?

Interested in learning more about our advanced SMR, nuclear fuel solutions, and comprehensive BWR and PWR services? Our team is here to help you explore the right solutions for your power plant and long-term goals. Contact us today to start the conversation.

^{*Carbon-free, as used on this webpage refers to the absence of carbon dioxide emissions during nuclear power generation and does not include indirect lifecycle emissions.}

GE Vernova Hitachi Nuclear Energy is a world-leading provider of advanced reactor technology, fuel and nuclear services.

© 2026 GE Vernova Hitachi Nuclear Energy and/or its affiliates. All rights reserved. GE is a trademark of General Electric Company used under trademark license. HITACHI is a trademark of Hitachi, Ltd. used under trademark license.

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Recommended resources

Small modular reactors, fuel, and services

How GVH is helping to shape the future of nuclear energy

BWRX-300: GE Vernova Hitachi’s advanced small modular reactor

Powering the future of nuclear energy

GE Vernova Hitachi’s history of nuclear innovation

Nuclear energy explained

Learn the basics of nuclear power

GE Vernova Hitachi Nuclear Energy news and industry highlights

United States

NRC issues first U.S. construction permit for a BWRX-300 SMR at TVA’s Clinch River site

Nyköping

Studsvik, GE Vernova Hitachi and Samsung C&T commit to advancing 1.2 GW nuclear power project in Sweden

North Carolina

Blue Energy, GE Vernova Hitachi Sign Agreement to Launch Next Phase of Texas Gas-Plus-Nuclear Project

EUROPE

GE Vernova Hitachi and Velan expand collaboration to support BWRX-300 small modular reactor deployment in Europe

STOCKHOLM

GE Vernova Hitachi Nuclear Energy and AFRY to collaborate in the deployment of the BWRX-300 small modular reactor

TOKYO

GE Vernova and Hitachi to explore deployment of BWRX-300 small modular reactor in Southeast Asia

North Carolina

Global Nuclear Fuel awarded fuel supply contract by Entergy for Grand Gulf and River Bend nuclear power plants

WASHINGTON D.C

Deployment of BWRX-300 small modular reactor in Poland takes major step forward with design development

North Carolina

BWRX-300 small modular reactor reaches regulatory milestone in the UK

North Carolina

GE Vernova Hitachi’s BWRX-300 small modular reactor to be located at Clinch River

Sweden

GE Vernova Hitachi Nuclear Energy and Samsung C&T form strategic alliance to advance deployment of the BWRX-300 small modular reactor

North Carolina

Global Nuclear Fuel introduces next generation fuel product

Sweden

BWRX-300 small modular reactor down selected by Vattenfall

North Carolina

Fuel rods manufactured by Global Nuclear Fuel to be evaluated at Pacific Northwest National Laboratory

Finland

GVH and Fortum sign early works agreement to advance potential deployment of BWRX-300 small modular reactor

Canada

GVH to establish Canadian small modular reactor engineering and service center in Ontario

Canada

BWRX-300 small modular reactor approved for construction by the Province of Ontario and Ontario Power Generation

Canada

GVH & Ontario Power Generation to build first small modular reactor in western world in Canada

UK

GE Vernova’s nuclear business accelerates UK SMR deployment with MoUs

Canada

GE Hitachi awards contract for BWRX-300 reactor pressure vessel to BWXT

United States

U.S. utilities team up to accelerate deployment of GE Vernova’s BWRX-300 small modular reactor

Canada

GE Vernova selects Worley Chemetics for BWRX-300 SMR build

United States

GE Vernova among DOE winners for nuclear fuel supply

Canada

GE Vernova taps Velan for Canada’s first SMR project

UK

GE Vernova signs MoUs to advance SMR delivery in UK

Sweden

Vattenfall shortlists GE Vernova for Swedish SMR project

United States

GE Vernova fuel rods to be evaluated at Oak Ridge lab

United States

GE Hitachi forms supplier group to advance BWRX-300 SMR

UK

GE Hitachi hosts UK conference on SMR opportunities

United States

GE Vernova cleared to produce advanced nuclear fuel

UK

GE Vernova selected for UK Future Nuclear Enabling Fund

Canada

SaskPower and GE Hitachi sign deal for SMR development

Poland

Environmental permitting of Polish SMR plant progresses

UK