CONSTITUENCY BRIEFING · ENERGYMAP.APP

Henley and Thame

MP: Freddie van Mierlo (Liberal Democrat) England Data to July 2026

Henley and Thame has 151 MW of clean power (all solar) approved and still not built: enough to supply a year's electricity to 55,000 homes. Britain's grid bottlenecks still add to bills here: about £92 a year per household, £3.6m across the constituency's 39,348 homes. A 100 MW battery was refused planning here in 2025; while discharging it could have supplied about 350,000 homes.

Ranks 31 of 650 for clean power approved and not built.

What is stuck, and why

Project and developerTechSizeWhy it is stuck
Lower road, Garsington - Energy Storage SystemNet Zero Twenty One Ltd Battery 100 MW Refused by South Oxfordshire Council in 2025Who can move it: South Oxfordshire Council · planning ref P24/S3557/FUL
Harlesford Solar FarmHarlesford Solar Farm Limited Solar 50 MW18,000 homes Approved 5 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref P20/S3245/FUL
Cornwell Solar FarmLow Carbon / EDF Energy Renewables Solar 50 MW18,000 homes Approved 5 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref P20/S3244/FUL
Dodwells Solar FarmOpdenergy UK Limited Solar 50 MW18,000 homes Approved 3 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref P21/S3915/FUL
Postcombe - Solar ArraySolar 2 Limited Solar 50 MW18,000 homes Waiting 13 months for a planning decisionWho can move it: South Oxfordshire Council · planning ref P25/S1987/FUL

Plus 2 smaller projects — see the full seat page.

Compared with its neighbours

ConstituencyApproved, not builtRunningPaid to switch off
Henley and Thame 151 MW35 MWnot visible
Earley and Woodley 3.7 MW7 MWnot visible
Wokingham 48 MW0 MWnot visible
Reading West and Mid Berkshire 32 MW22 MWnot visible
Reading Central 0.4 MW0 MWnot visible
Wycombe 0.8 MW0 MWnot visible

Henley and Thame 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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