πŸ”Œ EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more β†’ Skip to main content

Grid infrastructure β€Ί Connection queue β€Ί Gas

GAS Β· NGET

Sellafield

Sellafield is a 155 MW gas project built and connected, connecting to the National Grid (England & Wales) network at Hutton 132kV Substation. The connection agreement is held by Nuclear Decommissioning Authority.

Project stageOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. Operating (current stage)
  5. Closed (not yet reached)

Connection details

NESO project number
PRO-000219
Customer
Nuclear Decommissioning Authority
Technology
CHP (Combined Heat and Power)
Total capacity
155 MW
Already connected
155 MW
Connection site
Hutton 132kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Embedded (connects through the local distribution network)
NESO project status
Built

Connection site

The marker shows the connection substation, not the project itself, with the transmission network around it.

Projects connecting near Hutton Β· Grid map

Source: NESO Transmission Entry Capacity (TEC) register, downloaded 8 November 2026. Contains data from NESO, licensed under the NESO Open Data Licence. Report a problem