Twyn Hywel Wind Farm (92.4 MW)
Twyn Hywel Wind Farm is a 92.4 MW wind farm project in Caerphilly, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 5 November 2024, not yet built; the record was last updated on 10 February 2026. It is decided by the Welsh Government as a development of national significance.
Planning timeline
| Date | Stage |
|---|---|
| 5 June 2023 | Application submitted |
| 5 November 2024 | Planning permission granted |
| 5 November 2029 | Permission due to expire (unless work starts) |
Project details
- Technology
- wind farm
- Capacity
- 92.4 MW
- Status (REPD)
- approved, not built
- Record last updated
- 10 February 2026
- Operator or applicant
- Bute Energy
- Planning authority
- Welsh Government (NSIP)
- Planning application reference
- DNS/3272053
- Turbines
- 14
- Turbine height
- 200 m
- Address (REPD)
- Eglwysilan Common, N/O Senghenydd, Caerphilly
- Council area (by location)
- Caerphilly
- Time to decision
- 74 weeks
- Contracts for Difference
- AR7a
- REPD reference
- 9468
Who decides
It is decided by the Welsh Government as a development of national significance. Welsh Government (NSIP) refused 22% of 55 decided solar, wind and battery applications in REPD (median 67 weeks to a decision). Across all UK planning authorities 19% of 10,236 decided applications were refused.
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Solar Array at Bryntail Road | solar farm | 39.9 | application submitted | 1.5 |
| Pound Farm Lane | battery storage | 200 | application submitted | 2.6 |
| Cwm Ivor Penyrheol Solar Farm | solar farm | 20 | approved, not built | 3.0 |
| Berthlwyd Farm | solar farm | 5 | operational | 3.1 |
| Maes Mawr Solar | solar farm | 30 | under construction | 3.3 |
| Llanwonno Wind Farm | wind farm | 30.4 | application submitted | 3.7 |
| Llanwonno Wind Farm | battery storage | 30 | application submitted | 3.7 |
| Llanwonno Wind Farm | solar farm | 30.7 | application submitted | 3.7 |
| National Road, Cilfynydd | battery storage | 200 | application submitted | 4.2 |
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 (51.594, -3.2905).