Pentir Substation, Pentir (57 MW battery storage)
Pentir Substation, Pentir is a 57 MW battery storage project in Gwynedd, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 9 September 2024, not yet built; the record was last updated on 28 October 2024.
57 MWbattery storage
approved, not builtstatus in REPD
28 October 2024record last updated
Gwyneddcouncil area
Planning timeline
| Date | Stage |
|---|---|
| 3 July 2024 | Application submitted |
| 9 September 2024 | Planning permission granted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 57 MW
- Status (REPD)
- approved, not built
- Record last updated
- 28 October 2024
- Operator or applicant
- Lightsource BP
- Planning authority
- Gwynedd
- Planning application reference
- C24/0532/25/LL
- Address (REPD)
- Pentir Substation, Pentir, Bangor
- Council area (by location)
- Gwynedd
- Time to decision
- 10 weeks
- Name in REPD
- Pentir Substation, Pentir - Battery Energy Storage
- REPD reference
- 15748
Who decides
| Applications | Gwynedd | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 19 | 10,236 |
| Refused | 6 (32%) | 19% |
| Solar refused | 3 of 13 | 12% |
| Onshore wind refused | 2 of 3 | 45% |
| Battery storage refused | 1 of 3 | 16% |
| Median time from submission to decision | 17.4 weeks | 17.0 weeks |
| Appeals lodged / allowed | 0 / 0 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Seion, Pentir | battery storage | 99.9 | refused | 0.5 |
| Tyddyn Forgan, Llanddeiniolen | battery storage | 100 | approved, not built | 0.5 |
| Parciau Farm Solar Park | solar farm | 13.9 | operational | 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 (53.1853, -4.1586).