St Columb Major (5 MW battery storage)
St Columb Major is a 5 MW battery storage project in Cornwall, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 19 May 2025, not yet built; the record was last updated on 17 June 2025.
5 MWbattery storage
approved, not builtstatus in REPD
17 June 2025record last updated
Cornwallcouncil area
Planning timeline
| Date | Stage |
|---|---|
| 1 April 2025 | Application submitted |
| 19 May 2025 | Planning permission granted |
| 19 May 2028 | Permission due to expire (unless work starts) |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 5 MW
- Status (REPD)
- approved, not built
- Record last updated
- 17 June 2025
- Operator or applicant
- Aldustria Energy Storage
- Planning authority
- Cornwall
- Planning application reference
- PA25/02638
- Address (REPD)
- S/O Carnanton Road, St Columb Major, St Columb
- Council area (by location)
- Cornwall
- Time to decision
- 7 weeks
- Name in REPD
- St Columb Major - Battery Energy Storage Facility
- REPD reference
- 18708
Who decides
| Applications | Cornwall | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 225 | 10,236 |
| Refused | 49 (22%) | 19% |
| Solar refused | 31 of 159 | 12% |
| Onshore wind refused | 15 of 39 | 45% |
| Battery storage refused | 3 of 27 | 16% |
| Median time from submission to decision | 16.6 weeks | 17.0 weeks |
| Appeals lodged / allowed | 23 / 20 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Trekenning Farm Battery Storage Facility & Co-Op | battery storage | 5 | approved, not built | 0.3 |
| St Columb Major Solar Farm | solar farm | 7 | operational | 1.9 |
| Kernow Solar Farm | solar farm | 5 | operational | 3.7 |
| Denzell Downs Wind Farm | wind farm | 10 | operational | 4.1 |
| Bears Down Wind Farm | wind farm | 9.8 | operational | 4.5 |
| Indian Queens National Grid Substation, Domelick Hill | battery storage | 50 | approved, not built | 5.2 |
| Indian Queens Sub station, Carne Hill | battery storage | 50 | approved, not built | 5.5 |
| Tregonning Farm Solar Farm & Battery Storage | solar farm | 68 | under construction | 5.8 |
| Indian Queens Sub-Station | battery storage | 47.5 | approved, not built | 6.0 |
Status and dates as recorded in the Renewable Energy Planning Database (July 2026 extract); the database is compiled from public sources and can lag behind council decisions. Location: REPD grid reference (50.4296, -4.9532).