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BATTERY STORAGE · SPTZenobe Eccles Battery Storage
Zenobe Eccles Battery Storage is a 400 MW battery storage project under construction or commissioning, connecting to the SP Transmission (south Scotland) network at Eccles 400kV Substation, with capacity due from April 2026. The connection agreement is held by Zenobe Eccles Limited.
Project stageUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingFrom Apr 2026 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001779
- Customer
- Zenobe Eccles Limited
- Technology
- Energy Storage System
- Total capacity
- 400 MW
- Change in this agreement
- +400 MW
- Capacity effective from
- 30 April 2026
- Connection site
- Eccles 400kV Substation
- Transmission owner
- SP Transmission (south Scotland)
- 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.
Other projects at Eccles 400kV 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