Energy Projects Near You

Dellsome Power Hatfield Grid Station Energy storage facility (5 MW)

Dellsome Power Hatfield Grid Station 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 9 July 2021, not yet built; the record was last updated on 13 May 2021. REPD also records that the planning permission expired on 9 July 2024, so the project may not go ahead in this form. Check the planning authority's register for the latest position.

Data: REPD July 2026 extract · calculated 7 November 2026 · Methodology and sources

5 MWbattery storage
approved, not builtmay be out of datestatus in REPD
13 May 2021record last updated
Welwyn Hatfieldcouncil area

REPD also records that the planning permission expired on 9 July 2024, so the project may not go ahead in this form.

Planning timeline

DateStage
20 April 2021Application submitted
9 July 2021Planning permission granted
9 July 2024Permission expired

Project details

Technology
battery storage (stand-alone storage)
Capacity
5 MW
Status (REPD)
approved, not built
Record last updated
13 May 2021
Operator or applicant
AMP Energy Services Limited
Planning authority
Welwyn Hatfield
Planning application reference
6/2021/1020/FULL
Address (REPD)
Dellsome Power Hatfield Grid Station, Dellsome Lane, St. Albans
Council area (by location)
Welwyn Hatfield
Time to decision
11 weeks
Name in REPD
Dellsome Power Hatfield Grid Station - Energy storage facility
REPD reference
9019

Who decides

ApplicationsWelwyn HatfieldUK
Decided applications (solar, wind, battery)1510,236
Refused2 (13%)19%
Solar refused1 of 812%
Battery storage refused1 of 716%
Median time from submission to decision11.3 weeks17.0 weeks
Appeals lodged / allowed0 / 0—

Other large projects within 10 km

ProjectTypeMWStatuskm
Tollgate Farm Battery Storagebattery storage49.5under construction0.2
Tollgate Farm, Welham Green Solar Farmsolar farm16application submitted0.4
Potters Bar Solar Farmsolar farm5operational3.8
Land At Swanland Roadsolar farm5operational4.6
Wrotham Parksolar farm30application submitted4.7
Stanborough, Hatfieldsolar farm10approved, not built5.1
Welwyn Power Energy Storage Facilitybattery storage5approved, not built7.9
Butterfly Lane, Elstree BESSbattery storage99.9appeal lodged7.9

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 (51.7364, -0.2394).