Source · National Audit Office

Sizewell C

Published: 20 May 2026 Type: Value for Money Department: Department for Energy Security and Net Zero

This report assesses the implications of the Sizewell C construction deal for taxpayers, electricity consumers, and investors.

Dept: Department for Energy Security and Net Zero Topics: Energy and environmentEnergy infrastructureHousehold energyManaging major projectsNuclear powerProject and service deliveryRisk and resilience nao.org.uk →