Green Hill Solar Farm & Battery Storage (600 MW)
Green Hill Solar Farm & Battery Storage is a 600 MW solar farm project in North Northamptonshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 19 June 2025, no decision recorded; the record was last updated on 8 August 2025. As a nationally significant project, it is decided by the Secretary of State for Energy Security and Net Zero on a Development Consent Order after examination by the Planning Inspectorate (EN010170).
Planning timeline
| Date | Stage |
|---|---|
| 19 June 2025 | Application submitted |
Project details
- Technology
- solar farm
- Capacity
- 600 MW
- Status (REPD)
- application submitted
- Record last updated
- 8 August 2025
- Operator or applicant
- Island Green Power
- Planning authority
- The Planning Inspectorate - National Infrastructure
- Planning application reference
- EN010170
- Site area
- 173.7 ha
- Address (REPD)
- Wilby Road, Mears Ashby
- Council area (by location)
- North Northamptonshire
- REPD reference
- 15793
The scheme also includes 600 MW of battery storage, recorded separately in REPD (application submitted).
Official project record at the Planning Inspectorate (EN010170)
Who decides
As a nationally significant project, it is decided by the Secretary of State for Energy Security and Net Zero on a Development Consent Order after examination by the Planning Inspectorate (EN010170). All Energy Secretary decisions on solar and wind farms. The Planning Inspectorate - National Infrastructure refused 7% of 46 decided solar, wind and battery applications in REPD (median 73 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 |
|---|---|---|---|---|
| Sywell Road | solar farm | 5 | operational | 1.6 |
| Stonebrig Lane | solar farm | 18.8 | refused | 4.2 |
| Grendon Road, Earls Barton | battery storage | 99.9 | approved, not built | 4.4 |
| Wellingborough Solar Farm | solar farm | 8.5 | operational | 5.1 |
| Grendon Lakes, Grendon | battery storage | 50 | approved, not built | 6.0 |
| Hall Farm (Hannington) | solar farm | 10.9 | permission expired | 6.3 |
| Vicarage Farm | battery storage | 50 | refused | 6.5 |
| London Road, Irchester Solar Farm | solar farm | 26 | operational | 6.7 |
| Grendon Storage | battery storage | 49.9 | permission expired | 6.8 |
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 (52.2906, -0.7678).