{
 "pcon24cd": "E14001284",
 "name": "Hertsmere",
 "nation": "England",
 "number1": {
  "visible": false,
  "note": "No big wind farm on the national grid is mapped to this constituency. Smaller wind farms here can still be paid to switch off by the local network, but those payments are not visible in national data \u2014 the \u00a3 figure is a floor.",
  "invisible_wind": {
   "mw": 0.0,
   "sites": 0
  }
 },
 "number2": {
  "stuck_mw": 1.4,
  "stuck_mw_int": 1,
  "stuck_sites": 5,
  "homes_equivalent": 500,
  "homes_vs_seat_households": 0.01,
  "stuck_mw_12m_cut": 1.7,
  "consented_not_built_mw_any_age": 1.7,
  "operational_mw": 13.0,
  "operational_homes_equivalent": 4700,
  "refused_5y_mw": 0.0,
  "withdrawn_5y_mw": 49.9,
  "median_months_to_decision": 1.7,
  "rank": 385,
  "tech_mix": {
   "solar": 1.4
  },
  "tech_summary": "all solar",
  "waiting_vs_running": 0.1,
  "projects": [
   {
    "site_name": "Blanche Lane, South Mimms - Solar Panels",
    "repd_ref_id": 11499,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.6,
    "homes_equivalent": 200,
    "consented": "2023-08-23",
    "months_waiting": 35.3,
    "status": "Under Construction"
   },
   {
    "site_name": "Unit 2, York Crescent - Solar Panels",
    "repd_ref_id": 12385,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2022-11-22",
    "months_waiting": 44.3,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "NIBSC, Blanche Lane - Solar Panels",
    "repd_ref_id": 15136,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2023-12-07",
    "months_waiting": 31.9,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Willows Activity Farm, Colney Heath - Solar Array",
    "repd_ref_id": 11021,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2022-05-18",
    "months_waiting": 50.5,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "North London Ad Plant, Coursers Road - Solar Panels",
    "repd_ref_id": 16681,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2024-08-23",
    "months_waiting": 23.3,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Centennial Park, Centennial Avenue - Solar Panels",
    "repd_ref_id": 17870,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2025-02-25",
    "months_waiting": 17.2,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Multi Storage, Cranborne Industrial Estate - Solar Panels",
    "repd_ref_id": 13497,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2023-04-26",
    "months_waiting": 39.3,
    "status": "Awaiting Construction"
   }
  ]
 },
 "number3": {
  "applicable": true,
  "per_household_gbp": 91.96,
  "seat_households": 41939,
  "seat_total_gbp": 3900000,
  "framings": {
   "days_of_home_electricity": 51.0
  },
  "note": "National figure: the per-household cost is the same for every GB seat; only the seat total varies with household count."
 },
 "batteries": {
  "operating_mw": 0.0,
  "building_mw": 0.0,
  "approved_mw": 170.0,
  "approved_24m_mw": 0.0,
  "refused_mw": 0.0,
  "submitted_mw": 0.0,
  "sites": [
   {
    "site_name": "Hilfield Lane, Aldenham - Battery Energy Storage",
    "capacity_mw": 170.0,
    "status": "approved",
    "year": 2026,
    "homes_while_discharging": 596000
   }
  ]
 },
 "pipeline_projects": [
  {
   "site_name": "Hilfield Lane, Aldenham - Battery Energy Storage",
   "repd_ref_id": 17387,
   "technology": "Battery",
   "capacity_mw": 170.0,
   "homes_equivalent": null,
   "status": "Awaiting Construction",
   "consented": "2026-01-16",
   "refused": null,
   "planning_authority": "Hertsmere",
   "planning_ref": "25/0153/FUL",
   "operator": "Penso Power (BW ESS)",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved less than a year ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2026-01-16",
     "years_since_consent": 0.5
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Wrotham Park - Solar Panels",
   "repd_ref_id": 19077,
   "technology": "Solar Photovoltaics",
   "capacity_mw": 30.0,
   "homes_equivalent": 11000,
   "status": "Application Submitted",
   "consented": null,
   "refused": null,
   "planning_authority": "Hertsmere",
   "planning_ref": "25/1023/FUL",
   "operator": "Enviromena",
   "reason": {
    "reason": "planning_overdue",
    "label": "Waiting 13 months for a planning decision",
    "who": "Hertsmere Council",
    "evidence": {
     "submitted": "2025-07-18",
     "months_waiting": 13
    },
    "all_matches": [
     "planning_overdue"
    ]
   },
   "earliest": null,
   "tec": null
  }
 ],
 "projects_withheld_unreferenced": 0,
 "neighbours": [
  "E14001279",
  "E14001270",
  "E14001496",
  "E14001169",
  "E14001503",
  "E14001225",
  "E14001139",
  "E14001568",
  "E14001507",
  "E14001573",
  "E14001393"
 ],
 "flags": [
  "curtailment_not_visible"
 ],
 "windows": {
  "curtailment": [
   "2025-08-01",
   "2026-07-31"
  ],
  "repd_as_of": "2026-08-03"
 }
}