CONSTITUENCY BRIEFING · ENERGYMAP.APP

Alyn and Deeside

MP: Sir Mark Tami (Labour) Wales Data to July 2026

Alyn and Deeside has 32 MW of clean power (all solar) approved and still not built: enough to supply a year's electricity to 12,000 homes. Britain's grid bottlenecks still add to bills here: about £92 a year per household, £4.0m across the constituency's 43,775 homes.

Ranks 171 of 650 for clean power approved and not built.

What is stuck, and why

Project and developerTechSizeWhy it is stuck
Tyn Y Coed - Battery Energy Storage SystemNatPower UK Battery
500 MW
Waiting 1.2 years for a planning decisionWho can move it: Flintshire Council
Bretton Hall Solar Farm (Wales)YnNi Newydd (New Energy Co-op) Solar 5,800 homes
16 MW
Approved 3 years ago — nothing has happened sinceWho can move it: the developer and the network company
Bretton Hall Solar Farm (England)YnNi Newydd (New Energy Co-op) Solar 5,100 homes
14 MW
Approved 3 years 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.