Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SHETCaithness Energy Storage
Caithness Energy Storage is a 456 MW battery storage project in planning, connecting to the SSEN Transmission (north Scotland) network at Caithness Energy Storage 400Kv Substation, with capacity due from October 2034. The connection agreement is held by Baywa R.e. UK Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2034 (not yet reached)
- 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-004933
- Customer
- Baywa R.e. UK Limited
- Technology
- Energy Storage System
- Total capacity
- 456 MW
- Change in this agreement
- +456 MW
- Capacity effective from
- 31 October 2034
- Connection site
- Caithness Energy Storage 400Kv Substation
- Transmission owner
- SSEN Transmission (north Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
- Connections reform gate
- Gate 1
Connection site
The connection site could not be placed on the map.
Projects connecting near Caithness Energy Storage · 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