Lethans Wind Farm Extension (66 MW)
Lethans Wind Farm Extension is a 66 MW wind farm project in East Ayrshire, Scotland. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 8 August 2024, not yet built; the record was last updated on 10 February 2026. As a project over 50 MW in Scotland, it is decided by Scottish Ministers under Section 36.
Planning timeline
| Date | Stage |
|---|---|
| 22 December 2021 | Application submitted |
| 8 August 2024 | Section 36 consent granted (Scottish Ministers) |
| 8 August 2029 | Permission due to expire (unless work starts) |
Project details
- Technology
- wind farm
- Capacity
- 66 MW
- Status (REPD)
- approved, not built
- Record last updated
- 10 February 2026
- Operator or applicant
- Banks Renewables
- Planning authority
- Scottish Government (S36)
- Planning application reference
- ECU00002221
- Turbines
- 10
- Turbine height
- 251 m
- Address (REPD)
- Lethans U716 Craigshiel From C47 Mansfield Road To Corsencon Hill New Cumnock
- Council area (by location)
- East Ayrshire
- Time to decision
- 137 weeks
- Contracts for Difference
- AR7a
- REPD reference
- 8492
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 |
|---|---|---|---|---|
| Lethans Wind Farm | wind farm | 106 | approved, not built | 3.2 |
| Glen Water Wind Farm | wind farm | 49.9 | application submitted | 4.3 |
| Hare Hill Extension | wind farm | 29.8 | operational | 4.3 |
| Hare Hill (East Ayrshire) | wind farm | 13.2 | operational | 4.3 |
| Wind Turbines at Former Glenmuckloch Surface Coal Mine North Of Kirkconnel | wind farm | 33.6 | application submitted | 4.5 |
| Glenmuckloch Wind Farm | wind farm | 33.6 | approved, not built | 4.6 |
| Garleffan Wind Farm | wind farm | 21.6 | refused on appeal | 5.1 |
| Lagrae Battery Energy Storage System | battery storage | 400 | application submitted | 5.1 |
| Sandy Knowe Wind Farm | wind farm | 81.6 | operational | 5.4 |
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 (55.4014, -4.1187).