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Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · NGET

Uskmouth - New Connection

Uskmouth - New Connection is a 120 MW battery storage project under construction or commissioning, connecting to the National Grid (England & Wales) network at Uskmouth 132kV Substation, with capacity due from October 2026. The connection agreement is held by Aw1 Energy Storage Limited.

Project stageUnder construction
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingFrom Oct 2026 (not yet reached)
  5. Closed (not yet reached)

Connection details

NESO project number
PRO-001357
Customer
Aw1 Energy Storage Limited
Technology
Energy Storage System
Total capacity
120 MW
Change in this agreement
+120 MW
Capacity effective from
31 October 2026
Connection site
Uskmouth 132kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Under Construction/Commissioning
Connections reform gate
Gate 2

Connection site

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

Projects connecting near Uskmouth · Grid map

Other projects at Uskmouth 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