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 14 months for a planning decisionWho can move it: Flintshire Council · planning ref FUL/000450/25
Bretton Hall Solar Farm (Wales)YnNi Newydd (New Energy Co-op) Solar 16 MW5,800 homes Approved 3 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref DNS/3251545
Bretton Hall Solar Farm (England)YnNi Newydd (New Energy Co-op) Solar 14 MW5,100 homes Approved 3 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref 22/02042/FUL
Coleshill Manufacturing, Coleshill Street - Coleshill Green Hydrogen ProjectHYRO Energy Limited (Octopus & RES) Hydrogen 7.5 MW Approved 2 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref FUL/000599/23

Plus 2 smaller projects — see the full seat page.

Compared with its neighbours

ConstituencyApproved, not builtRunningPaid to switch off
Alyn and Deeside 32 MW80 MWnot visible
Wrexham 16 MW23 MWnot visible
Chester South and Eddisbury 19 MW30 MWnot visible
Clwyd East 0 MW1.8 MWnot visible
Chester North and Neston 2.9 MW1.2 MWnot visible

Alyn and Deeside has more approved-and-waiting capacity than any of its neighbouring seats.

The rest of the briefing

  • Every approval each project still needs, and which of them the public can see
  • What building them would mean here — community payments, business rates and construction work
  • Drafted parliamentary questions and letters, filled in with this seat's figures
  • 3 story angles for local reporting
  • A two-page PDF, and a newsroom edition with the references and who to call
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