Mynydd Llanhilleth Wind Farm (34 MW)
Mynydd Llanhilleth Wind Farm is a 34 MW wind farm project in Caerphilly, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 23 May 2025, no decision recorded; the record was last updated on 26 September 2025. It is decided by the Welsh Government as a development of national significance.
Planning timeline
| Date | Stage |
|---|---|
| 23 May 2025 | Application submitted |
Project details
- Technology
- wind farm
- Capacity
- 34 MW
- Status (REPD)
- application submitted
- Record last updated
- 26 September 2025
- Operator or applicant
- Pennant Walters
- Planning authority
- Welsh Government (NSIP)
- Planning application reference
- CAS-03540-M8J8M5
- Turbines
- 7
- Turbine height
- 180 m
- Address (REPD)
- Mynydd Llanhilleth Wind Farm, Mynydd Llanhilleth Common, Pontypool
- Council area (by location)
- Caerphilly
- Name in REPD
- Mynydd Llanhilleth - Wind Farm
- REPD reference
- 19535
Earlier applications for this site
| Application | MW | Submitted | Outcome |
|---|---|---|---|
| Mynydd Llanhilleth Wind Farm DNS/3273368 | 34 | 9 August 2023 | withdrawn 21 June 2024 |
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 |
|---|---|---|---|---|
| Arail Farm Road | solar farm | 5 | application withdrawn | 2.6 |
| Upper Pant-Ysgawen Farm, Maes-Yr-Haf Lane | battery storage | 28 | application submitted | 3.0 |
| Hafod-Y-Dafal Farm | solar farm | 14 | operational | 3.0 |
| Trecelyn Wind Farm | wind farm | 20 | application submitted | 3.7 |
| Mynydd Carn Wind Farm | wind farm | 34 | approved, not built | 4.1 |
| Cwmcaesingrug Farm | solar farm | 10 | operational | 7.2 |
| Manmoel Wind Farm | wind farm | 28 | approved, not built | 7.3 |
| Pendragon Fach Wind Farm | wind farm | 5.2 | refused on appeal | 7.3 |
| Penrhiwarwydd Farm | solar farm | 8.5 | operational | 7.4 |
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 (51.699, -3.1497).