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Grid infrastructure β€Ί Connection queue β€Ί Wind + storage

WIND + STORAGE Β· SPT

Assel Valley Extension Wind Farm

Assel Valley Extension Wind Farm is a 175 MW wind + storage project in planning, connecting to the SP Transmission (south Scotland) network at Maybole GSP, with capacity due from October 2037. The connection agreement is held by Renantis UK Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2037 (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-002632-2
Customer
Renantis UK Limited
Technology
Energy Storage System, Wind Onshore
Total capacity
175 MW
Change in this agreement
+87 MW
Capacity effective from
30 October 2037
Connection site
Maybole GSP
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 Maybole GSP Β· Grid map

Other projects at Maybole GSP

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