Indian Queens Sub-Station (47.5 MW battery storage)
Indian Queens Sub-Station is a 47.5 MW battery storage project in Cornwall, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 17 October 2022, not yet built; the record was last updated on 25 July 2022. REPD also records that the planning permission expired on 17 October 2025, so the project may not go ahead in this form. Check the planning authority's register for the latest position.
REPD also records that the planning permission expired on 17 October 2025, so the project may not go ahead in this form.
Planning timeline
| Date | Stage |
|---|---|
| 28 June 2022 | Application submitted |
| 17 October 2022 | Planning permission granted |
| 17 October 2025 | Permission expired |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 47.5 MW
- Status (REPD)
- approved, not built
- Record last updated
- 25 July 2022
- Operator or applicant
- Prime Energy Development Limited / Valero Energy / Sambar Power
- Planning authority
- Cornwall
- Planning application reference
- PA22/05961
- Address (REPD)
- South West Of Indian Queens Sub-station St Dennis
- Council area (by location)
- Cornwall
- Time to decision
- 16 weeks
- Name in REPD
- Indian Queens Sub-Station - Battery Storage
- REPD reference
- 11725
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 |
|---|---|---|---|---|
| Indian Queens Sub station, Carne Hill | battery storage | 50 | approved, not built | 0.5 |
| Indian Queens National Grid Substation, Domelick Hill | battery storage | 50 | approved, not built | 0.8 |
| Burthy Row Farm, Trefullock Moor Solar Farm & Battery Storage | solar farm | 49.9 | application submitted | 3.4 |
| Land at Gilley's Mill Dam | solar farm | 5 | operational | 3.5 |
| Kernick Mica Dam Solar Farm | solar farm | 12 | operational | 4.2 |
| St Columb Major Solar Farm | solar farm | 7 | operational | 4.3 |
| Carloggas Farm Solar Park | solar farm | 8.3 | operational | 4.6 |
| Scarcewater Tip | wind farm | 6.9 | refused on appeal | 4.7 |
| Burthy Farm | solar farm | 10 | operational | 4.9 |
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 (50.3909, -4.895).