Cruachan 275kV Substation
Cruachan 275kV Substation (SPT) has 2 projects in NESO's TEC Register of 23 Oct 2026: 600 MW in the queue, 480 MW of it Gate 2, and 0 MW connected. Contracted capacity, not headroom.
- Transmission owner
- SPT
- Projects
- 2
- MW in the queue
- 600 MW
- Gate 2 MW
- 480 MW
- MW connected
- 0 MW
- Earliest confirmed date
- 4 Apr 2029
By technology
| Technology | Projects | MW |
|---|---|---|
| Pumped storage | 2 | 1,080 |
Projects at Cruachan 275kV Substation
| Project | Technology | MW | Gate | Status | MW effective from |
|---|---|---|---|---|---|
| Cruachan Expansion | Pumped storage | 600 | Scoping | 31 Oct 2030 | |
| Cruachan U3&4 Replacement | Pumped storage | 440–480 | Gate 2 | Built, Consents Approved | 4 Apr 2029 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.