Projects / South Scotland
Cruachan U3&4 Replacement
- Connection date
- 4 Apr 2029 +22 months since 14 Aug
- Gate
- Gate 2
- Status
- Consented
- Technology
- Pumped storage
- Total capacity
- 480 MW
- Connected now
- 440 MW
- Still to connect
- 40 MW
- Transmission owner
- SP Energy Networks (SPT)
- Agreement type
- Direct Connection
- Region
- South Scotland
- Project number
- PRO-000113
- Tracked since
- 14 Aug 2026
Stages
| Stage | Connected MW | Adds MW | Cumulative MW | Date | Gate | Status |
|---|---|---|---|---|---|---|
| 1 | 440 | 0 | 440 | None | Not stated | Built |
| 2 | 0 | 40 | 480 | 4 Apr 2029 | Gate 2 | Consented |
Change history
Every change to this project across 9 registers from 14 Aug 2026 to 21 Sep 2026.
- 21 Sep 2026 registerStage 2: Status changed from Scoping to Consented
- 21 Sep 2026 registerStage 2: Given a Gate 2 connection offer
- 28 Aug 2026 registerStage 2: Connection date moved from 1 Jun 2027 to 4 Apr 2029 (+22 months)
Also queued at Cruachan 275kV Substation
Substation view1 other project, 640 MW still to connect at this substation in total.