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Sizewell B: 1.2 GW Nuclear, East England | Grid

Sizewell B

NuclearOperational

Grid ID ast_f4c51f5a2f5ed398

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What is Sizewell B, and what is its status?

Nuclear in East England. Details below come from the sources listed for each field.

Capacity

1,198.0 MW

Capacity basis

Counted DUKES megawatts

Location precision

Published, approximate

Location

Published, approximate
100 km

52.21492, 1.61986

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Contains public sector information licensed under the Open Government Licence v3.0.

Identity and relationships

  • DUKES site

    NUC-000159

    Sizewell B in DUKES.

Output

Grid does not have this data yet. It will appear here once Elexon BMU metering is added.

Ownership and operator

  • Operator · DUKES

    EDF Energy

    DUKES records NUC-000159 as the operator.

  • Owner · DUKES

    —

    The register records an operator, not an owner.

Related projects

  • Sizewell B

    DUKES · NUC-000159 · EDF Energy · East of England

Change history

  • May 2026

    30 Jul 2026 · DUKES · 1,198.0 MW · Counted

Source records