{
 "id": "solar_cost_regional_0_4kw",
 "name": "Solar PV installed cost by region, 0 to 4 kW systems, all installations",
 "category": "costs",
 "value_num": [
  1760.41,
  2101.01
 ],
 "display": "London £2,101.01/kW · South East £1,858.90/kW · Wales £1,838.00/kW · Scotland £1,766.90/kW, means, homes and businesses together",
 "unit": "pounds per kW of total installed capacity (TIC), domestic and non-domestic installations, mean by region",
 "period_start": "2025-04-01",
 "period_end": "2026-03-31",
 "period_kind": "data",
 "deadline": null,
 "source_url": "https://www.gov.uk/government/statistics/solar-pv-cost-data",
 "source_org": "DESNZ (from the MCS Installation Database)",
 "checked_at": "2026-09-08",
 "recheck_by": "2027-05-27",
 "history": [
  {
   "period": "2024/25",
   "value_num": [
    1747.26,
    2172.39
   ],
   "display": "London £2,172.39/kW · South East £1,896.95/kW · Wales £1,901.55/kW · Scotland £1,747.26/kW"
  }
 ],
 "public_note": "Where you live moves the price, and not always the way people assume. London is dearest per kW by a clear margin. Scotland is among the cheapest. These count business installations alongside homes, because the government does not split the regional figures, so treat them as a pattern rather than a price.",
 "next": null,
 "url": "https://hearthsum.co.uk/api/solar_cost_regional_0_4kw.json"
}