Welwyn Power Energy Storage Facility (5 MW)
Welwyn Power Energy Storage Facility is a 5 MW battery storage project in Welwyn Hatfield, England. Its status in the Renewable Energy Planning Database (July 2026 extract) is: approved on 5 August 2022, not yet built; the record was last updated on 23 June 2022. REPD also records that the planning permission expired on 5 August 2025, 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 5 August 2025, so the project may not go ahead in this form.
Planning timeline
| Date | Stage |
|---|---|
| 24 May 2022 | Application submitted |
| 5 August 2022 | Planning permission granted |
| 5 August 2025 | Permission expired |
Project details
- Technology
- battery storage (stand-alone storage)
- Capacity
- 5 MW
- Status (REPD)
- approved, not built
- Record last updated
- 23 June 2022
- Operator or applicant
- AMP Energy Services Limited
- Planning authority
- Welwyn Hatfield
- Planning application reference
- 6/2022/1190/FULL
- Address (REPD)
- Welwyn Power west side of Tewin Road Welwyn Garden City
- Council area (by location)
- Welwyn Hatfield
- Time to decision
- 10 weeks
- Name in REPD
- Welwyn Power - Energy Storage Facility
- REPD reference
- 11536
Who decides
| Applications | Welwyn Hatfield | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 15 | 10,236 |
| Refused | 2 (13%) | 19% |
| Solar refused | 1 of 8 | 12% |
| Battery storage refused | 1 of 7 | 16% |
| Median time from submission to decision | 11.3 weeks | 17.0 weeks |
| Appeals lodged / allowed | 0 / 0 | — |
Other large projects within 10 km
| Project | Type | MW | Status | km |
|---|---|---|---|---|
| Stanborough, Hatfield | solar farm | 10 | approved, not built | 2.9 |
| Swangleys Farm | solar farm | 8.5 | application withdrawn | 6.9 |
| Three Houses Lane | solar farm | 11.3 | refused | 7.8 |
| Dellsome Power Hatfield Grid Station Energy storage facility | battery storage | 5 | approved, not built | 7.9 |
| Tollgate Farm Battery Storage | battery storage | 49.5 | under construction | 8.0 |
| Tollgate Farm, Welham Green Solar Farm | solar farm | 16 | application submitted | 8.2 |
| Solar Farm & Battery Energy Storage | battery storage | 5 | approved, not built | 9.4 |
| Solar Farm & Battery Energy Storage | solar farm | 24 | approved, not built | 9.4 |
| Westmill Quarry, Westmill Road Solar Farm | solar farm | 7.3 | application submitted | 9.8 |
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 (51.8022, -0.196).