en.Wedoany.com Reported - Holtec International's SMR-300 has completed Phase Two of the UK's Generic Design Assessment (GDA), a significant regulatory milestone that moves the reactor closer to deployment in the UK and establishes a clear pathway for Holtec International and its subsidiaries to execute international projects.

The GDA assessment, jointly conducted by the UK Office for Nuclear Regulation (ONR), the Environment Agency (EA), and Natural Resources Wales (NRW), found no fundamental flaws in the SMR-300 design or its safety, security, and safeguards that would conflict with UK regulatory expectations. This regulatory position provides strong independent validation of the SMR-300 reactor's safety case and design maturity, boosting confidence in its readiness for deployment.

Building on this milestone, Holtec is collaborating with EDF Energy to advance plans for the Cottam nuclear power station in Nottinghamshire, UK. The partners intend to utilize the UK's Advanced Nuclear Framework to progress the Cottam project through site-specific licensing and project deployment, benefiting from a streamlined regulatory path and government support.

Regulatory collaboration between the UK and the US is increasing, with a new Memorandum of Understanding signed last September aimed at accelerating advanced nuclear deployment. Following the Pioneer 1 & 2 SMR-300 projects at the Palisades plant in Michigan, Holtec plans to leverage regulatory alignment between the two nations to achieve efficient licensing and faster project delivery in the UK.

After years of preparatory work, Holtec submitted a Construction Permit Application (CPA) to the US Nuclear Regulatory Commission (USNRC) for Pioneer 1 & 2 in late 2025, formally becoming an applicant. On February 13, 2026, the USNRC officially docketed the application and published a projected review schedule, with safety and environmental impact evaluations expected to be completed in early to mid-2027.

Dr. Richard M. Springman, President of Holtec Global Clean Energy Opportunities, stated that the positive regulatory statement from GDA Phase Two is a key milestone in de-risking the SMR-300's international deployment plans. It demonstrates that its design and safety case approach align with international regulatory expectations, such as those in the US and UK, confirming it as a design that can be deployed globally.

Tim Parkes, Holtec SMR-300 GDA Safety Regulation Lead, noted that the assessment covered 21 technical areas and identified no fundamental flaws. Holtec demonstrated an open and constructive approach throughout the GDA process, responding positively to 14 regulatory observations, showing a clear commitment to resolving issues. If solutions are effectively implemented, they will help address the issues and support future design efforts.

Jane Bowie, Director of Small Modular Reactor (SMR) Development at EDF Energy, expressed excitement about the opportunity to develop a new nuclear project at the Cottam site. She called this a major milestone for Holtec, congratulating the company on its excellent work with regulators, which enables both parties to move forward to the site-specific reactor design assessment phase, crucial for SMR development.

Furthermore, Holtec is actively engaging with regulatory authorities in several countries interested in leveraging the UK GDA process and is working with UK authorities to expedite domestic licensing.

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