Mulbarton Road, Keswick (400 MW battery storage)
Mulbarton Road, Keswick is a 400 MW battery storage project in South Norfolk, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: application submitted on 25 July 2025, no decision recorded; the record was last updated on 12 September 2025.
400 MWbattery storage
application submittedstatus in REPD
12 September 2025record last updated
South Norfolkcouncil area
Planning timeline
| Date | Stage |
|---|---|
| 25 July 2025 | Application submitted |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 400 MW
- Status (REPD)
- application submitted
- Record last updated
- 12 September 2025
- Operator or applicant
- Greenfield Energy Developments Limited
- Planning authority
- South Norfolk
- Planning application reference
- 2025/2275
- Address (REPD)
- E/O Mulbarton Road, Keswick, Norwich
- Council area (by location)
- South Norfolk
- Name in REPD
- Mulbarton Road, Keswick - Battery Energy Storage System
- REPD reference
- 19491
Who decides
| Applications | South Norfolk | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 50 | 10,236 |
| Refused | 8 (16%) | 19% |
| Solar refused | 1 of 30 | 12% |
| Onshore wind refused | 7 of 7 | 45% |
| Battery storage refused | 0 of 13 | 16% |
| Median time from submission to decision | 20.6 weeks | 17.0 weeks |
| Appeals lodged / allowed | 2 / 0 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Land East of White Horse Lane | solar farm | 5 | operational | 2.4 |
| White Horse Lane (Trowse) - Phase 2 | solar farm | 9 | approved, not built | 2.4 |
| Hickling Lane, Swainsthorpe -Battery Storage | battery storage | 114 | approved, not built | 2.5 |
| Norwich Substation Storage Facility | battery storage | 49.9 | approved, not built | 2.5 |
| Hall Farm, Hickling Lane | battery storage | 400 | application submitted | 2.8 |
| Hornsea Project Three | battery storage | 300 | under construction | 3.0 |
| Stoke Lane | battery storage | 130 | approved, not built | 3.4 |
| Bloy’s Grove Solar Farm | solar farm | 49.9 | approved, not built | 5.0 |
| Land south of Brick Kiln Road | solar farm | 5 | operational | 5.1 |
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 (52.5962, 1.2745).