Cruachan Expansion
Cruachan Expansion is a pumped storage project of 600 MW in NESO's TEC Register of 23 Oct 2026, connecting at Cruachan 275kV Substation (SPT). Status: Scoping.
- Customer
- Drax Cruachan Expansion Limited
- Connection site
- Cruachan 275kV Substation
- Transmission owner
- SPT
- Technology
- Pumped storage
- Capacity (TEC)
- 600 MW
- Agreement
- Direct Connection
- Status
- Scoping
- MW effective from
- 31 Oct 2030
- NESO project number
- PRO-001889
Also at Cruachan 275kV Substation
| Project | Technology | MW |
|---|---|---|
| Cruachan U3&4 Replacement | Pumped storage | 440–480 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.