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

BATTERY STORAGE Β· SPT

WindyHill BESS2 Facility

WindyHill BESS2 Facility is a 200 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Windyhill 275/132kV, with capacity due from July 2025. The connection agreement is held by Windyhill Grid 2 Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Jul 2025 (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-002032
Customer
Windyhill Grid 2 Ltd
Technology
Energy Storage System
Total capacity
200 MW
Change in this agreement
+200 MW
Capacity effective from
27 July 2025
Connection site
Windyhill 275/132kV
Transmission owner
SP Transmission (south Scotland)
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 Windyhill Β· Grid map

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