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Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · SPT

Braxbess Branxton BESS

Braxbess Branxton BESS is a 480 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Braxbess 400/132kV Collector Substation, with capacity due from April 2028. The connection agreement is held by Braxbess Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Apr 2028 (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-002208
Customer
Braxbess Ltd
Technology
Energy Storage System
Total capacity
480 MW
Change in this agreement
+480 MW
Capacity effective from
30 April 2028
Connection site
Braxbess 400/132kV Collector Substation
Transmission owner
SP Transmission (south Scotland)
Connection type
Direct connection to the transmission network
NESO project status
Scoping

Connection site

The connection site could not be placed on the map.

Projects connecting near Braxbess · Grid map

Other projects at Braxbess 400/132kV Collector 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