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New nuclear policy update
22 July 2025
Type
Written Ministerial Statement
Department
Department for Energy Security and Net Zero
At a Glance
Issue Summary
The statement discusses the UK government's plan to proceed with the construction of Sizewell C nuclear power station.
Action Requested
The government has confirmed its final investment decision for Sizewell C, a new nuclear power station in the UK. It includes significant funding commitments and commercial partnerships, ensuring lower costs and consumer benefits through the Regulated Asset Base (RAB) model.
Key Facts
- The government provided £14.2bn funding allocation to support project construction.
- The government will take an initial 44.9% equity stake in Sizewell C.
- National Wealth Fund is making its first investment in nuclear energy, providing the majority of the project’s debt finance.
- The final capital cost for the project construction is estimated at around £38bn (2024 prices).
- During construction, consumer payments through the RAB model will be limited to an average of £1 a month on a typical household bill.
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