Renewable energy projects in Welwyn Hatfield
14 solar, wind or battery projects of 150 kW or more are located in Welwyn Hatfield (REPD, July 2026 extract): 1 pending, 13 approved but not running, 0 operational and 0 refused. The council refused 2 of 15 decided applications (13%; UK 19%), with a median 11 weeks from submission to decision.
14projects in the council area
1awaiting a decision
13approved, not running
13%of decisions refused
How Welwyn Hatfield 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 | — |
Projects in Welwyn Hatfield
Projects of 1 MW and more (8)
| Project | Type | MW | Status (REPD) | Submitted | Decision | Record updated |
|---|---|---|---|---|---|---|
| Tollgate Farm Battery Storagebattery storage | battery storage | 49.5 | under constructionupdated Feb 2022 | Oct 2017 | granted Jan 2019 | Feb 2022 |
| Tollgate Farm, Welham Green Solar Farmsolar farm | solar farm | 16 | application submittedupdated Sep 2025 | Jul 2025 | — | Sep 2025 |
| Stanborough, Hatfieldsolar farm | solar farm | 10 | approved, not builtupdated May 2025 | Aug 2023 | granted Sep 2024 | May 2025 |
| Dellsome Power Hatfield Grid Station Energy storage facilitybattery storage | battery storage | 5 | approved, not built may be out of dateupdated May 2021 | Apr 2021 | granted Jul 2021 | May 2021 |
| Welwyn Power Energy Storage Facilitybattery storage | battery storage | 5 | approved, not built may be out of dateupdated Jun 2022 | May 2022 | granted Aug 2022 | Jun 2022 |
| Computacenter Warehouserooftop solar | rooftop solar | 2 | under constructionupdated Nov 2019 | Jan 2019 | granted Mar 2019 | Nov 2019 |
| Stanborough, Hatfieldbattery storage | battery storage | 1.5 | approved, not builtupdated May 2025 | Aug 2023 | granted Sep 2024 | May 2025 |
| Gypsy Moth Avenuerooftop solar | rooftop solar | 1.2 | approved, not built may be out of dateupdated Apr 2022 | Mar 2022 | granted Aug 2022 | Apr 2022 |
Smaller schemes under 1 MW, mostly rooftop solar (6)
| Project | Type | MW | Status (REPD) | Submitted | Decision | Record updated |
|---|---|---|---|---|---|---|
| Welham Greenrooftop solar | rooftop solar | 0.3 | approved, not builtupdated Jun 2022 | Jun 2022 | granted Aug 2022 | Jun 2022 |
| Morrisons Supermarketrooftop solar | rooftop solar | 0.3 | approved, not builtupdated Oct 2024 | Aug 2024 | granted Oct 2024 | Oct 2024 |
| Brownfieldsbattery storage | battery storage | 0.2 | approved, not builtupdated Oct 2023 | Aug 2023 | granted Sep 2023 | Oct 2023 |
| Verge In Highway, Great North Roadbattery storage | battery storage | 0.2 | approved, not builtupdated Mar 2026 | Sep 2025 | granted Nov 2025 | Mar 2026 |
| Ridgeway Academy, Herns Lanerooftop solar | rooftop solar | 0.2 | approved, not builtupdated Oct 2023 | Aug 2023 | granted Oct 2023 | Oct 2023 |
| Queenswood School, Shepherds Wayrooftop solar | rooftop solar | 0.2 | approved, not builtupdated Aug 2023 | May 2023 | granted Aug 2023 | Aug 2023 |
Postcode districts in Welwyn Hatfield
| District | Projects within 10 km | Pending | Approved | Operational |
|---|---|---|---|---|
| AL6 | 30 | 2 | 22 | 1 |
| AL7 | 29 | 2 | 22 | 1 |
| AL8 | 24 | 1 | 19 | 0 |
| AL9 | 34 | 2 | 27 | 3 |
| AL10 | 35 | 3 | 27 | 3 |
32% of applications still shown as pending in REPD were submitted more than two years ago, and only 37% of pending records were updated in the last 12 months, so some of them may already have been decided. Projects belong to Welwyn Hatfield by location (nearest postcode to the REPD grid reference); decisions are counted by the planning authority named in REPD.