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BATTERY STORAGE · SHETMybster 2 Battery Storage
Mybster 2 Battery Storage is a 500 MW battery storage project in planning, connecting to the SSEN Transmission (north Scotland) network at Thurso South 400kV Substation, with capacity due from October 2034. The connection agreement is held by Potencia Energy (Mybster) Ltd.
- 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-004479
- Customer
- Potencia Energy (Mybster) Ltd
- Technology
- Energy Storage System
- Total capacity
- 500 MW
- Change in this agreement
- +500 MW
- Capacity effective from
- 31 October 2034
- Connection site
- Thurso South 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 marker shows the connection substation, not the project itself, with the transmission network around it.
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