Grendon Road, Earls Barton (99.9 MW battery storage)
Grendon Road, Earls Barton is a 99.9 MW battery storage project in North Northamptonshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 16 March 2026, not yet built; the record was last updated on 31 March 2026.
99.9 MWbattery storage
approved, not builtstatus in REPD
31 March 2026record last updated
North Northamptonshirecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 18 August 2025 | Application submitted |
| 16 March 2026 | Planning permission granted |
| 16 March 2029 | Permission due to expire (unless work starts) |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 99.9 MW
- Status (REPD)
- approved, not built
- Record last updated
- 31 March 2026
- Operator or applicant
- Greenfield Energy Developments Limited
- Planning authority
- North Northamptonshire
- Planning application reference
- NW/25/00360/FUL
- Address (REPD)
- 301 Grendon Road, Earls Barton, Northampton
- Council area (by location)
- North Northamptonshire
- Time to decision
- 30 weeks
- Name in REPD
- Grendon Road, Earls Barton - Battery Energy Storage System
- REPD reference
- 19050
Who decides
| Applications | North Northamptonshire | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 68 | 10,236 |
| Refused | 11 (16%) | 19% |
| Solar refused | 2 of 44 | 12% |
| Onshore wind refused | 5 of 11 | 45% |
| Battery storage refused | 4 of 13 | 16% |
| Median time from submission to decision | 11.4 weeks | 17.0 weeks |
| Appeals lodged / allowed | 1 / 3 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Grendon Lakes, Grendon | battery storage | 50 | approved, not built | 1.9 |
| Grendon Storage | battery storage | 49.9 | permission expired | 2.7 |
| Green Hill Solar Farm & Battery Storage | solar farm | 600 | application submitted | 4.4 |
| Wellingborough Solar Farm | solar farm | 8.5 | operational | 4.8 |
| Vicarage Farm | battery storage | 50 | refused | 5.2 |
| London Road, Irchester Solar Farm | solar farm | 26 | operational | 6.0 |
| Sywell Road | solar farm | 5 | operational | 6.0 |
| Nun Wood (Wellingborough) | wind farm | 9 | refused on appeal | 6.9 |
| Nun Wood (Milton Keynes) | wind farm | 9 | refused on appeal | 7.7 |
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 (52.2528, -0.7473).