Swallett Energy Park (23 MW)
Swallett Energy Park is a 23 MW solar farm project in Wiltshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 21 January 2026, not yet built; the record was last updated on 24 February 2026.
23 MWsolar farm
approved, not builtstatus in REPD
24 February 2026record last updated
Wiltshirecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 5 December 2023 | Application submitted |
| 20 March 2025 | Refused by the planning authority |
| 21 January 2026 | Planning permission granted |
| 21 January 2026 | Appeal allowed |
| 21 January 2033 | Permission due to expire (unless work starts) |
Project details
- Technology
- solar farm
- Capacity
- 23 MW
- Status (REPD)
- approved, not built
- Record last updated
- 24 February 2026
- Operator or applicant
- Exagen
- Planning authority
- Wiltshire
- Planning application reference
- PL/2023/10077
- Site area
- 46.4 ha
- Address (REPD)
- W/O Lyneham Substation, S/O The M4 & N/O The Great Western Mainline Railway Line, W/O Dauntsey Lock, Chippenham
- Council area (by location)
- Wiltshire
- Time to decision
- 111 weeks
- REPD reference
- 14171
Who decides
| Applications | Wiltshire | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 140 | 10,236 |
| Refused | 18 (13%) | 19% |
| Solar refused | 13 of 110 | 12% |
| Onshore wind refused | 1 of 1 | 45% |
| Battery storage refused | 4 of 29 | 16% |
| Median time from submission to decision | 20.9 weeks | 17.0 weeks |
| Appeals lodged / allowed | 5 / 7 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Bradenstoke solar park | solar farm | 69.8 | operational | 4.0 |
| Lake Farm | solar farm | 5 | operational | 5.5 |
| Rodbourne Rail Farm Solar Park | solar farm | 7.6 | operational | 7.0 |
| Park Grounds Farm | solar farm | 5 | abandoned | 7.4 |
| Somerford Farm, Brinkworth | battery storage | 6.6 | approved, not built | 7.5 |
| Red Barn Solar Farm & Battery Storage | solar farm | 40 | approved, not built | 7.7 |
| High Penn Solar Park | solar farm | 9.6 | operational | 8.2 |
| Minety Substation | solar farm | 40 | approved, not built | 8.9 |
| Minety South | battery storage | 50 | operational | 9.2 |
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 (51.5214, -2.0205).