Flushing, Longside (400 MW battery storage)
Flushing, Longside is a 400 MW battery storage project in Aberdeenshire, Scotland. Its status: consented by Scottish Ministers on 21 October 2026, not yet built (Scottish Government Energy Consents Unit). The Renewable Energy Planning Database (July 2026 extract) still records: application submitted on 4 July 2025, no decision recorded; the record was last updated on 13 October 2025. As a project over 50 MW in Scotland, it is decided by Scottish Ministers under Section 36.
Planning timeline
| Date | Stage |
|---|---|
| 4 July 2025 | Application submitted |
| 21 October 2026 | Consent granted (Scottish Ministers) |
Status source: Scottish Government Energy Consents Unit. The Renewable Energy Planning Database (July 2026 extract) still shows this project as “application submitted”.
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 400 MW
- Status
- approved, not built (Scottish Government Energy Consents Unit; REPD: application submitted)
- Record last updated
- 13 October 2025
- Operator or applicant
- Harmony Energy Storage
- Planning authority
- Scottish Government (S36)
- Planning application reference
- ECU00006086
- Address (REPD)
- North of Longside Road, Flushing
- Council area (by location)
- Aberdeenshire
- Name in REPD
- Flushing, Longside - Battery Energy Storage System
- REPD reference
- 18195
Who decides
As a project over 50 MW in Scotland, it is decided by Scottish Ministers under Section 36. Scottish Government (S36) refused 18% of 334 decided solar, wind and battery applications in REPD (median 127 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 |
|---|---|---|---|---|
| Netherton, Langside Road | battery storage | 400 | application submitted | 2.2 |
| Greystone, Blackhills | battery storage | 500 | application submitted | 5.7 |
| Hill of Braco | wind farm | 20 | application withdrawn | 6.0 |
| Hillhead Of Gask, Longhaven | solar farm | 14.2 | under construction | 6.5 |
| St Fergus Moss Wind Farm | wind farm | 6 | operational | 6.7 |
| Fraserburgh Road - Kirkton Solar PV Farm & Energy Storage Facility | solar farm | 50 | approved, not built | 6.8 |
| Salamander Offshore Wind Farm Battery Storage and Onshore Connection | battery storage | 180 | approved, not built | 7.0 |
| St Fergus Renewable Energy Park | solar farm | 5 | under construction | 7.4 |
| South of Greenwellheads | solar farm | 5 | abandoned | 7.8 |
Status and events credited to a named source are from that source; other 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 (57.5119, -1.9139).