Grid infrastructure βΊ Connection queue βΊ Battery storage
BATTERY STORAGE Β· NGETPembroke BESS
Pembroke BESS is a 350 MW battery storage project consented, connecting to the National Grid (England & Wales) network at Pembroke 400kV Substation, with capacity due from May 2029. The connection agreement is held by RWE Generation UK Plc.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom May 2029 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-000337-2
- Customer
- RWE Generation UK Plc
- Technology
- Energy Storage System
- Total capacity
- 350 MW
- Change in this agreement
- +65 MW
- Capacity effective from
- 25 May 2029
- Connection site
- Pembroke 400kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Consents Approved
- Connections reform gate
- Gate 2
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Pembroke 400kV Substation
- Pembroke Power StationHydro and pumped storage Β· 2.2 GW Β· Built
- GreenlinkInterconnector Β· 524 MW Β· Built
- Llywelyn Floating Offshore Wind FarmOffshore wind Β· 300 MW Β· Scoping
- Valorous Offshore Wind FarmOffshore wind Β· 300 MW Β· Scoping
- Pembroke BESSBattery storage Β· 285 MW Β· Consents Approved
- Lambeeth 240MWBattery storage Β· 240 MW Β· Scoping
- LlΕ·r Floating WindOffshore wind Β· 200 MW Β· Scoping
- Pembroke BESS and Solar StationSolar + storage Β· 100 MW Β· Awaiting Consents
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