Dunmill, Substation Dun (49.9 MW battery storage)
Dunmill, Substation Dun is a 49.9 MW battery storage project in Angus, Scotland. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 14 August 2024, not yet built; the record was last updated on 18 November 2025.
49.9 MWbattery storage
approved, not builtstatus in REPD
18 November 2025record last updated
Anguscouncil area
Planning timeline
| Date | Stage |
|---|---|
| 29 January 2024 | Application submitted |
| 14 August 2024 | Planning permission granted |
| 14 August 2030 | Permission due to expire (unless work starts) |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 49.9 MW
- Status (REPD)
- approved, not built
- Record last updated
- 18 November 2025
- Operator or applicant
- Renewable Energy Systems Limited
- Planning authority
- Angus
- Planning application reference
- 24/00038/FULM
- Address (REPD)
- 300m Ne/O Bridge Of Dun, Substation Dun, Montrose
- Council area (by location)
- Angus
- Time to decision
- 28 weeks
- Name in REPD
- Dunmill, Substation Dun - Battery Energy Storage
- REPD reference
- 15233
Who decides
| Applications | Angus | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 72 | 10,236 |
| Refused | 21 (29%) | 19% |
| Solar refused | 1 of 36 | 12% |
| Onshore wind refused | 18 of 19 | 45% |
| Battery storage refused | 2 of 17 | 16% |
| Median time from submission to decision | 24.9 weeks | 17.0 weeks |
| Appeals lodged / allowed | 1 / 3 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Balwyllo Farm, Dun Energy Storage Facility | battery storage | 50 | approved, not built | 0.1 |
| Arrats Mill, Arrat | solar farm | 18.5 | approved, not built | 1.8 |
| East Ballochy | solar farm | 39.9 | approved, not built | 3.1 |
| Stracathro | battery storage | 249 | approved, not built | 5.8 |
| Glaxo Smith Kline Wind Turbine | wind farm | 5 | refused | 6.4 |
| Mount Boy | wind farm | 6 | refused on appeal | 6.5 |
| Montreathmont Moor | wind farm | 38 | refused on appeal | 8.6 |
| Montreathmont Moor Forest Solar Farm & Battery Storage | solar farm | 42 | approved, not built | 9.7 |
| Kinnell Farm, Kinnell Solar Farm & Battery Energy Storage | solar farm | 10 | approved, not built | 10.0 |
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 (56.7204, -2.5564).