Derehams Farm, Derehams Lane (40 MW battery storage)
Derehams Farm, Derehams Lane is a 40 MW battery storage project in Buckinghamshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: operational since 6 August 2025; the record was last updated on 13 February 2026.
40 MWbattery storage
operationalstatus in REPD
13 February 2026record last updated
Buckinghamshirecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 14 November 2022 | Application submitted |
| 29 June 2023 | Refused by the planning authority |
| 29 June 2023 | Planning permission granted |
| 19 February 2024 | Construction started |
| 6 August 2025 | Operational |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 40 MW
- Status (REPD)
- operational
- Record last updated
- 13 February 2026
- Operator or applicant
- Eku Energy / Statkraft
- Planning authority
- Buckinghamshire
- Planning application reference
- 22/08045/FUL
- Address (REPD)
- Derehams Farm, Derehams Lane, Loudwater, High Wycombe
- Council area (by location)
- Buckinghamshire
- Time to decision
- 32 weeks
- Name in REPD
- Derehams Farm, Derehams Lane - Battery Storage
- REPD reference
- 12803
Earlier applications for this site
| Application | MW | Submitted | Outcome |
|---|---|---|---|
| Loudwater Battery Storage Site 18/07600/FUL | 40 | 5 November 2018 | replaced by a revised application |
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 |
|---|---|---|---|---|
| Derehams Farm, Derehams Lane | battery storage | 126 | application submitted | <0.1 |
| Salters Lane | solar farm | 42 | application submitted | 3.3 |
| Coldmoorholme Lane Battery Storage | battery storage | 7.2 | refused | 3.8 |
| Land North of Marlow Landfill Site | solar farm | 5 | refused | 4.8 |
| Mop End Farm, Mop End Lane | battery storage | 500 | application submitted | 6.2 |
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 (51.6114, -0.694).