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Grid infrastructure β€Ί Connection queue β€Ί Battery storage

BATTERY STORAGE Β· NGET

Blyth BESS

Blyth BESS is a 450 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Blyth 275kV Substation, with capacity due from October 2036. The connection agreement is held by Sse Renewables Solar & Battery Holdings Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2036 (not yet reached)
  5. Closed (not yet reached)

Scoping and awaiting consents are both shown as planning. A connection agreement does not mean the project will be built: many queue projects never reach construction.

Connection details

NESO project number
PRO-002817
Customer
Sse Renewables Solar & Battery Holdings Limited
Technology
Energy Storage System
Total capacity
450 MW
Change in this agreement
+450 MW
Capacity effective from
31 October 2036
Connection site
Blyth 275kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Scoping
Connections reform gate
Gate 1

Connection site

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

Projects connecting near Blyth 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