Sundon Sub Station Battery Storage Facility (50 MW)
Sundon Sub Station Battery Storage Facility is a 50 MW battery storage project in Central Bedfordshire, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 10 November 2021, not yet built; the record was last updated on 8 November 2023. REPD also records that the planning permission expired on 10 November 2024, so the project may not go ahead in this form. Check the planning authority's register for the latest position.
REPD also records that the planning permission expired on 10 November 2024, so the project may not go ahead in this form.
Planning timeline
| Date | Stage |
|---|---|
| 11 May 2021 | Application submitted |
| 10 November 2021 | Planning permission granted |
| 10 November 2024 | Permission expired |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 50 MW
- Status (REPD)
- approved, not built
- Record last updated
- 8 November 2023
- Operator or applicant
- Clearstone Energy Limited
- Planning authority
- Central Bedfordshire
- Planning application reference
- CB/21/02107/FULL
- Address (REPD)
- Sundon Sub-Station, Chalton, Luton
- Council area (by location)
- Central Bedfordshire
- Time to decision
- 26 weeks
- REPD reference
- 9998
Who decides
| Applications | Central Bedfordshire | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 59 | 10,236 |
| Refused | 8 (14%) | 19% |
| Solar refused | 4 of 36 | 12% |
| Onshore wind refused | 2 of 7 | 45% |
| Battery storage refused | 2 of 16 | 16% |
| Median time from submission to decision | 19.6 weeks | 17.0 weeks |
| Appeals lodged / allowed | 1 / 3 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Sundon, Chalton | battery storage | 500 | approved, not built | <0.1 |
| Sundon Substation | battery storage | 49.9 | operational | 0.4 |
| Chapel Farm | battery storage | 49.5 | operational | 0.7 |
| Chalgrave Manor, Luton Road Solar Farm | solar farm | 40 | approved, not built | 1.2 |
| Chalgrave Manor | solar farm | 24.6 | abandoned | 1.3 |
| Toddington Services, Hipsey Spinney | battery storage | 250 | approved, not built | 1.4 |
| Hillcrest, Church Road | battery storage | 50 | application withdrawn | 1.8 |
| Vauxhall Motors | rooftop solar | 5 | abandoned | 2.5 |
| Avenue Power - Urban Reserve Flexible Energy Facility | battery storage | 5 | application withdrawn | 4.9 |
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 (51.9312, -0.5049).