Hirwaun Stor Generation (21.8 MW battery storage)
Hirwaun Stor Generation is a 21.8 MW battery storage project in Rhondda Cynon Taf, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: operational since 1 December 2024; the record was last updated on 3 March 2025.
21.8 MWbattery storage
operationalstatus in REPD
3 March 2025record last updated
Rhondda Cynon Tafcouncil area
Planning timeline
| Date | Stage |
|---|---|
| 25 January 2021 | Application submitted |
| 29 April 2021 | Planning permission granted |
| 1 December 2024 | Operational |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 21.8 MW
- Status (REPD)
- operational
- Record last updated
- 3 March 2025
- Operator or applicant
- Pulse Clean Energy
- Planning authority
- Rhondda Cynon Taf
- Planning application reference
- 21/0104/10
- Address (REPD)
- HIRWAUN STOR GENERATION, MAIN AVENUE, HIRWAUN
- Council area (by location)
- Rhondda Cynon Taf
- Time to decision
- 13 weeks
- Name in REPD
- Hirwaun Stor Generation - Battery Storage
- REPD reference
- 8848
Who decides
| Applications | Rhondda Cynon Taf | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 34 | 10,236 |
| Refused | 5 (15%) | 19% |
| Solar refused | 0 of 13 | 12% |
| Onshore wind refused | 3 of 15 | 45% |
| Battery storage refused | 2 of 6 | 16% |
| Median time from submission to decision | 28.9 weeks | 17.0 weeks |
| Appeals lodged / allowed | 0 / 2 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Rhigos Road Solar Farm | solar farm | 9.9 | under construction | 0.4 |
| Cefn Farm, Mount Road | battery storage | 200 | application submitted | 0.5 |
| Bryngolwg Farm, Hirwaun Solar farm | solar farm | 8.9 | operational | 0.9 |
| Hendre Fawr Farm | solar farm | 11.6 | operational | 3.5 |
| Hirwaun Wind Farm | wind farm | 24 | refused on appeal | 3.8 |
| Mynydd Bwllfa Wind Farm - Resubmission | wind farm | 22.5 | operational | 3.8 |
| Mynydd Bwllfa solar farm | solar farm | 7.5 | permission expired | 4.0 |
| Maerdy | wind farm | 24 | operational | 5.3 |
| Blaencorrwg Wind Farm | wind farm | 19.3 | refused | 5.9 |
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 (51.7433, -3.541).