Grid infrastructure › Connection queue › Hydro and pumped storage
HYDRO AND PUMPED STORAGE · SHETGlen Earrach PSH
Glen Earrach PSH is a 1.8 GW hydro and pumped storage project in planning, connecting to the SSEN Transmission (north Scotland) network at Glen Earrach PSH 400kV substation, with capacity due from October 2035. The connection agreement is held by Glen Earrach Energy Limited.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2035 (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-004903
- Customer
- Glen Earrach Energy Limited
- Technology
- Pump Storage
- Total capacity
- 1.8 GW
- Change in this agreement
- +1.8 GW
- Capacity effective from
- 31 October 2035
- Connection site
- Glen Earrach PSH 400kV substation
- Transmission owner
- SSEN Transmission (north Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
Connection site
The connection site could not be placed on the 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