CONSTITUENCY BRIEFING · ENERGYMAP.APP

Welwyn Hatfield

MP: Andrew Lewin (Labour) England Data to July 2026

Welwyn Hatfield has 3.8 MW of clean power (all solar) approved and still not built: enough to supply a year's electricity to 1,400 homes. Britain's grid bottlenecks still add to bills here: about £92 a year per household, £4.0m across the constituency's 43,833 homes.

Ranks 278 of 650 for clean power approved and not built.

What is stuck, and why

Project and developerTechSizeWhy it is stuck
Tollgate Farm Battery StorageRNA Energy / Harmony Energy Storage/ Tag Energ Battery
50 MW
Under constructionWho can move it: the developer
Tollgate Farm, Welham Green - Solar FarmBrockwell Energy Limited Solar 5,800 homes
16 MW
Waiting 1.1 years for a planning decisionWho can move it: Welwyn Hatfield Council
Stanborough, Hatfield - Solar ArrayJ Reddington Limited Solar 3,600 homes
10 MW
Approved a year ago — nothing has happened sinceWho can move it: the developer and the network company

What else is in the briefing

No account needed for any of this: the full seat page with every figure, the method and sources, and this constituency's raw data. The account covers the packaged briefing only.