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Policy Paper Published 15 Apr 2026 Department for Energy Security and Net Zero ↗ View on GOV.UK

Small modular reactor: summary programme business case

This is a summary of the programme business case produced for the small modular reactor (SMR) programme.

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This summary business case provides a high-level outline of the programme strategy and commercial approach, and the expected economic and system benefits, of the Great British Energy – Nuclear (GBE-N) small modular reactor (SMR) programme.