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BWRX-300

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 SMR, and using a combination of modular and open-top construction techniques, the BWRX-300 can be constructed in 24-36 months while achieving a volume reduction in plant layout.

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Recent commercial wins

In the news

Sweden

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.

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North Carolina

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.

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Sweden

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.

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North Carolina

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.

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Finland

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.

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Canada

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.

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Canada

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)

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Canada

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.

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UK

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.

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Canada

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.

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United States

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.

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Canada

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.

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United States

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.

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Canada

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.

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UK

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.

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Sweden

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.

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United States

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.

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United States

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.

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UK

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.

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United States

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.

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UK

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.

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Canada

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.

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Poland

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.

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UK

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.

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Poland

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.

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Canada

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.

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Estonia

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.

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Finland

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.

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