Grid infrastructure βΊ Connection queue βΊ Battery storage
BATTERY STORAGE Β· SHETDounreay BESS
Dounreay BESS is a 200 MW battery storage project in planning, connecting to the SSEN Transmission (north Scotland) network at New Dounreay 400kV substation, with capacity due from October 2034. The connection agreement is held by Field Devco Ltd.
Project stageIn planning
- 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-004749
- Customer
- Field Devco Ltd
- Technology
- Energy Storage System
- Total capacity
- 200 MW
- Change in this agreement
- +200 MW
- Capacity effective from
- 31 October 2034
- Connection site
- New Dounreay 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.
Other projects at New Dounreay 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