Mop End Farm, Mop End Lane (500 MW battery storage)
Mop End Farm, Mop End Lane is a 500 MW battery storage project in Buckinghamshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 15 August 2025, no decision recorded; the record was last updated on 29 September 2025.
500 MWbattery storage
application submittedstatus in REPD
29 September 2025record last updated
Buckinghamshirecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 15 August 2025 | Application submitted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 500 MW
- Status (REPD)
- application submitted
- Record last updated
- 29 September 2025
- Operator or applicant
- Sandbrook Capital Bes Limited
- Planning authority
- Buckinghamshire
- Planning application reference
- PL/25/2447/FA
- Address (REPD)
- Mop End Farm, Mop End Lane, Mop End, Amersham
- Council area (by location)
- Buckinghamshire
- Name in REPD
- Mop End Farm, Mop End Lane - Battery Energy Storage
- REPD reference
- 19561
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 | 6.2 |
| Derehams Farm, Derehams Lane | battery storage | 40 | operational | 6.2 |
| Lye Green Energy Storage | battery storage | 25 | refused on appeal | 8.2 |
| Salters Lane | solar farm | 42 | application submitted | 8.2 |
| Pudds Cross Farm, Pudds Cross Solar Panels & Battery Energy Storage | solar farm | 22 | approved, not built | 9.7 |
| Coldmoorholme Lane Battery Storage | battery storage | 7.2 | refused | 9.9 |
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 (51.6646, -0.665).