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Sizewell C Project: summary business case

This is a summary business for the Sizewell C (SZC) project nuclear power station.

• From: Department for Energy Security and Net Zero
• Published: 24 February 2026

Documents

Sizewell C Project: summary business case

PDF, 251 KB, 23 pages

Details

This summary business case provides a factual overview of the Sizewell C project, its strategic justification, and details on how the project will be delivered, overseen and managed.

This publication follows the final investment decision for the project resulting in financial close on 4 November 2025.

See further information on this project: Sizewell C.

Published 24 February 2026