Achies (162 MW battery storage)
Achies is a 162 MW battery storage project in Highland, Scotland. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 3 June 2025, no decision recorded; the record was last updated on 3 October 2025. As a project over 50 MW in Scotland, it is decided by Scottish Ministers under Section 36.
Planning timeline
| Date | Stage |
|---|---|
| 3 June 2025 | Application submitted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 162 MW
- Status (REPD)
- application submitted
- Record last updated
- 3 October 2025
- Operator or applicant
- Sun4net Limited
- Planning authority
- Scottish Government (S36)
- Planning application reference
- ECU00006111
- Address (REPD)
- Achies, 750m W/O the A9, Halkirk
- Council area (by location)
- Highland
- Name in REPD
- Achies - Battery Energy Storage System
- REPD reference
- 18500
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 |
|---|---|---|---|---|
| Wind Farm at Achlachan Windfarm | wind farm | 8.5 | approved, not built | <0.1 |
| Mybster Farm, Watten | battery storage | 19.8 | application withdrawn | 2.7 |
| Achlachan Wind Farm | wind farm | 10 | operational | 2.8 |
| Spittal Mains Quarry | battery storage | 49.9 | approved, not built | 3.2 |
| Spittal Mains, Spittal | battery storage | 300 | application submitted | 3.2 |
| Achlachan Wind Farm - Phase 2 | wind farm | 6.9 | abandoned | 3.6 |
| Spittal Hill | wind farm | 21 | refused on appeal | 4.4 |
| Halsary Wind Farm | wind farm | 34 | operational | 4.8 |
| Bad a Cheo Wind Farm | wind farm | 26.7 | operational | 6.3 |
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 (58.4702, -3.4803).