GE Vernova Hitachi BWRX-300

Designer - GE Vernova Hitachi Nuclear Energy Americas LLC

Requesting Party - GE Vernova Hitachi Nuclear Energy International LLC, UK Branch

Current position: Assessment of reactor design completed December 2025

Timeline:
December 2024 – December 2025 – Step 2 (fundamental assessment)

January 2024 – December 2024 – Step 1 (initiation)

Latest publications

ONR – Step 2 GDA statement
ONR – Step 2 summary report
Environment Agency/NRW – GDA Step 2 of the GE Vernova Hitachi BWRX-300 summary of findings
ONR – Step 1 GDA statement
ONR – Step 1 summary report
Environment Agency/NRW – GDA Step 1 of the GE-Hitachi BWRX-300 summary of findings

Public involvement

GDA includes a comments process. The reactor design company is encouraged to publish detailed design information on its website and update it as new information becomes available.

The public comments process closed on 31 August 2025.

Designer - GE Vernova Hitachi Nuclear Energy Americas LLC

Requesting Party - GE Vernova Hitachi Nuclear Energy International LLC, UK Branch

Current position: Assessment of reactor design completed December 2025

Latest publications

Public involvement

In this section

GE Vernova Hitachi BWRX-300 - Step 1 GDA statement

Regulators' approach to public and stakeholder engagement

GE Vernova Hitachi BWRX-300 - Regulatory observations and resolution plans

GE Vernova Hitachi BWRX-300 - Step 2 GDA statement, summary report, and assessment reports

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