East Claydon Battery Energy Storage (500 MW)
East Claydon Battery Energy Storage is a 500 MW battery storage project in Buckinghamshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 11 September 2025, not yet built; the record was last updated on 30 September 2025.
500 MWbattery storage
approved, not builtstatus in REPD
30 September 2025record last updated
Buckinghamshirecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 15 December 2023 | Application submitted |
| 20 December 2024 | Refused by the planning authority |
| 11 September 2025 | Appeal allowed |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 500 MW
- Status (REPD)
- approved, not built
- Record last updated
- 30 September 2025
- Operator or applicant
- Statera Energy
- Planning authority
- Buckinghamshire
- Planning application reference
- 23/03875/APP
- Address (REPD)
- Rookery Farm, Granborough, Buckingham
- Council area (by location)
- Buckinghamshire
- Time to decision
- 53 weeks
- REPD reference
- 15501
Who decides
| Applications | Buckinghamshire | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 80 | 10,236 |
| Refused | 19 (24%) | 19% |
| Solar refused | 14 of 68 | 12% |
| Onshore wind refused | 2 of 3 | 45% |
| Battery storage refused | 3 of 9 | 16% |
| Median time from submission to decision | 15.4 weeks | 17.0 weeks |
| Appeals lodged / allowed | 6 / 7 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Hogshaw Road, Granborough | battery storage | 99 | application withdrawn | 1.0 |
| Longbreach Solar Farm | solar farm | 49.9 | application submitted | 1.3 |
| Tuckey Farm | solar farm | 25 | approved, not built | 1.6 |
| East Claydon Substation, East Claydon Road | battery storage | 500 | application submitted | 1.9 |
| Fox Covert Solar Farm | solar farm | 22 | operational | 4.7 |
| Wood End, Mursley Road | solar farm | 36 | approved, not built | 6.6 |
| Calvert Landfill Site Solar Array | solar farm | 16 | application submitted | 7.0 |
| Knapps Hook Farm | solar farm | 8.9 | application withdrawn | 7.0 |
| Littleton Green Energy Park | solar farm | 10 | application submitted | 7.8 |
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 (51.92, -0.9021).