Penrhos Works (349 MW battery storage)
Penrhos Works is a 349 MW battery storage project in Isle of Anglesey, Wales. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 24 January 2024, not yet built; the record was last updated on 27 February 2024.
349 MWbattery storage
approved, not builtstatus in REPD
27 February 2024record last updated
Isle of Angleseycouncil area
Planning timeline
| Date | Stage |
|---|---|
| 27 November 2023 | Application submitted |
| 24 January 2024 | Planning permission granted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 349 MW
- Status (REPD)
- approved, not built
- Record last updated
- 27 February 2024
- Operator or applicant
- Anglesey Land Holdings Limited
- Planning authority
- Isle of Anglesey
- Planning application reference
- OP/2023/8
- Address (REPD)
- Penrhos Works, Holyhead
- Council area (by location)
- Isle of Anglesey
- Time to decision
- 8 weeks
- Name in REPD
- Penrhos Works - Battery Energy Storage System
- REPD reference
- 15472
Who decides
| Applications | Isle of Anglesey | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 15 | 10,236 |
| Refused | 3 (20%) | 19% |
| Solar refused | 0 of 5 | 12% |
| Onshore wind refused | 3 of 7 | 45% |
| Battery storage refused | 0 of 3 | 16% |
| Median time from submission to decision | 34.3 weeks | 17.0 weeks |
| Appeals lodged / allowed | 0 / 0 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Parc Solar Traffwll | solar farm | 35 | approved, not built | 8.0 |
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 (53.2948, -4.597).