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

BATTERY STORAGE Β· NGET

Gastard BESS

Gastard BESS is a 200 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Melksham B 132KV Substation, with capacity due from November 2037. The connection agreement is held by Siriusecodev (Gastard) Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Nov 2037 (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-003552
Customer
Siriusecodev (Gastard) Ltd
Technology
Energy Storage System
Total capacity
200 MW
Change in this agreement
+200 MW
Capacity effective from
15 November 2037
Connection site
Melksham B 132KV 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 Melksham B Β· Grid map

Other projects at Melksham B 132KV Substation

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