Battery Energy Storage System (200 MW)
Battery Energy Storage System is a 200 MW battery storage project in Spelthorne, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 16 January 2026, not yet built; the record was last updated on 24 February 2026.
200 MWbattery storage
approved, not builtstatus in REPD
24 February 2026record last updated
Spelthornecouncil area
Planning timeline
| Date | Stage |
|---|---|
| 12 September 2024 | Application submitted |
| 18 September 2025 | Refused by the planning authority |
| 16 January 2026 | Planning permission granted |
| 16 January 2026 | Appeal allowed |
| 16 January 2029 | Permission due to expire (unless work starts) |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 200 MW
- Status (REPD)
- approved, not built
- Record last updated
- 24 February 2026
- Operator or applicant
- EcoDev Group Limited
- Planning authority
- Spelthorne
- Planning application reference
- 24/01112/FUL
- Address (REPD)
- Ne/O Eco Park, Charlton Lane, Shepperton
- Council area (by location)
- Spelthorne
- Time to decision
- 70 weeks
- Name in REPD
- Sunbury Battery Energy Storage System - Battery Energy Storage System
- REPD reference
- 17161
Earlier applications for this site
| Application | MW | Submitted | Outcome |
|---|---|---|---|
| Battery Energy Storage System 24/00017/FUL | 200 | 4 January 2024 | withdrawn 19 June 2024 |
Who decides
Spelthorne has 6 decided solar, wind or battery applications in REPD — too few for a refusal rate (we show one from 10 decisions). Across all UK planning authorities 19% of 10,236 decisions were refusals.
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Long Lane, Stanwell | battery storage | 49.9 | approved, not built | 5.0 |
| Twynersh Meadows, Thorpe Road Solar Park & Battery Storage | solar farm | 5.5 | application submitted | 5.5 |
| London’s Queen Elizabeth II reservoir | floating solar | 6.3 | operational | 9.2 |
| Land south of Holloway Lane | solar farm | 5 | application withdrawn | 9.3 |
| Sipson Road | solar | 6.2 | refused | 9.7 |
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 (51.4089, -0.4388).