Penwortham BESS

Penwortham BESS is a 57 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Penwortham 400kV Substation, with capacity due from June 2031. The connection agreement is held by Cse28 Limited.

Project stageIn planning

Planning (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingFrom Jun 2031 (not yet reached)
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-002037
Customer: Cse28 Limited
Technology: Energy Storage System
Total capacity: 57 MW
Change in this agreement: +57 MW
Capacity effective from: 1 June 2031
Connection site: Penwortham 400kV 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 Penwortham · Grid map

Other projects at Penwortham 400kV 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