CONSTITUENCY BRIEFING · ENERGYMAP.APP

Portsmouth North

MP: Amanda Martin (Labour) England Data to July 2026

Portsmouth North has 12 MW of clean power (all solar) approved and still not built: enough to supply a year's electricity to 4,200 homes. Britain's grid bottlenecks still add to bills here: about £92 a year per household, £3.7m across the constituency's 40,736 homes.

Ranks 218 of 650 for clean power approved and not built.

What is stuck, and why

Project and developerTechSizeWhy it is stuck
Fort Widley, Portsdown Hill Road - Battery Energy Storage SystemVoltwise Power Holdings Limited Battery 120 MW Waiting 12 months for a planning decisionWho can move it: Portsmouth Council · planning ref 25/00797/FUL
Lakeside Business ParkCustom Solar Limited Solar 4.5 MW1,600 homes Under constructionWho can move it: the developer · earliest connection 2027 (in construction) · planning ref 22/00487/FUL
Farlington Water Treatment Works, Gillman Road - Solar PanelsPortsmouth Water Limited Solar 3.7 MW1,300 homes Approved 4 years ago — nothing has happened sinceWho can move it: the developer and the network company · planning ref 22/01237/CPL
Lakeside Business ParkCustom Solar Limited Battery 2 MW Under constructionWho can move it: the developer · earliest connection 2027 (in construction) · planning ref 22/00487/FUL
Portsmouth International Port - Solar PanelsPortsmouth City Council Solar 1.2 MW400 homes Under constructionWho can move it: the developer · earliest connection 2027 (in construction) · planning ref 21/00717/FUL

Compared with its neighbours

ConstituencyApproved, not builtRunningPaid to switch off
Portsmouth North 12 MW1.2 MWnot visible
Portsmouth South 0.8 MW0 MWnot visible
Havant 1.5 MW0 MWnot visible
Fareham and Waterlooville 11 MW48 MWnot visible

Portsmouth North 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
  • 2 story angles for local reporting
  • A two-page PDF, and a newsroom edition with the references and who to call
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