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Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · SPT

Newarthill Energy Park

Newarthill Energy Park is a 300 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Newarthill Energy Park 275kV Substation, with capacity due from October 2029. The connection agreement is held by Dalzell (Newarthill) Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2029 (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-002532
Customer
Dalzell (Newarthill) Ltd
Technology
Energy Storage System
Total capacity
300 MW
Change in this agreement
+300 MW
Capacity effective from
31 October 2029
Connection site
Newarthill Energy Park 275kV Substation
Transmission owner
SP Transmission (south Scotland)
Connection type
Direct connection to the transmission network
NESO project status
Scoping
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 Newarthill Energy Park · 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