{
 "pcon24cd": "E14001573",
 "name": "Welwyn Hatfield",
 "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": 3.8,
  "stuck_mw_int": 4,
  "stuck_sites": 5,
  "homes_equivalent": 1400,
  "homes_vs_seat_households": 0.03,
  "stuck_mw_12m_cut": 14.1,
  "consented_not_built_mw_any_age": 14.1,
  "operational_mw": 0.0,
  "operational_homes_equivalent": 0,
  "refused_5y_mw": 0.0,
  "withdrawn_5y_mw": 0.0,
  "median_months_to_decision": 1.8,
  "rank": 278,
  "tech_mix": {
   "solar": 3.8
  },
  "tech_summary": "all solar",
  "waiting_vs_running": null,
  "projects": [
   {
    "site_name": "Stanborough, Hatfield - Solar Array",
    "repd_ref_id": 14878,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 10.0,
    "homes_equivalent": 3600,
    "consented": "2024-09-16",
    "months_waiting": 22.5,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Computacenter Warehouse",
    "repd_ref_id": 7290,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 2.0,
    "homes_equivalent": 700,
    "consented": "2019-03-08",
    "months_waiting": 88.9,
    "status": "Under Construction"
   },
   {
    "site_name": "Gypsy Moth Avenue - Solar Array",
    "repd_ref_id": 10943,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 1.2,
    "homes_equivalent": 400,
    "consented": "2022-08-25",
    "months_waiting": 47.3,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Welham Green - Solar Panels",
    "repd_ref_id": 11550,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.3,
    "homes_equivalent": 100,
    "consented": "2022-08-15",
    "months_waiting": 47.6,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Morrisons Supermarket - Solar PV Array",
    "repd_ref_id": 17205,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.3,
    "homes_equivalent": 100,
    "consented": "2024-10-17",
    "months_waiting": 21.5,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Ridgeway Academy, Herns Lane - Solar Panels",
    "repd_ref_id": 14751,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2023-10-16",
    "months_waiting": 33.6,
    "status": "Awaiting Construction"
   },
   {
    "site_name": "Queenswood School, Shepherds Way - Solar Panels",
    "repd_ref_id": 14081,
    "technology": "Solar Photovoltaics",
    "capacity_mw": 0.2,
    "homes_equivalent": 100,
    "consented": "2023-08-17",
    "months_waiting": 35.5,
    "status": "Awaiting Construction"
   }
  ]
 },
 "number3": {
  "applicable": true,
  "per_household_gbp": 91.96,
  "seat_households": 43833,
  "seat_total_gbp": 4000000,
  "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": 49.5,
  "approved_mw": 11.9,
  "approved_24m_mw": 10.2,
  "refused_mw": 0.0,
  "submitted_mw": 0.0,
  "sites": [
   {
    "site_name": "Tollgate Farm Battery Storage",
    "capacity_mw": 49.5,
    "status": "building",
    "year": 2019,
    "homes_while_discharging": 173000
   },
   {
    "site_name": "Dellsome Power Hatfield Grid Station - Energy storage facility",
    "capacity_mw": 5.0,
    "status": "approved",
    "year": 2021,
    "homes_while_discharging": 18000
   },
   {
    "site_name": "Welwyn Power - Energy Storage Facility",
    "capacity_mw": 5.0,
    "status": "approved",
    "year": 2022,
    "homes_while_discharging": 18000
   },
   {
    "site_name": "Stanborough, Hatfield - Battery Energy Storage System",
    "capacity_mw": 1.5,
    "status": "approved",
    "year": 2024,
    "homes_while_discharging": 5300
   },
   {
    "site_name": "Brownfields - Battery Storage",
    "capacity_mw": 0.2,
    "status": "approved",
    "year": 2023,
    "homes_while_discharging": 700
   },
   {
    "site_name": "Verge In Highway, Great North Road - Energy Storage System",
    "capacity_mw": 0.2,
    "status": "approved",
    "year": 2025,
    "homes_while_discharging": 700
   }
  ]
 },
 "pipeline_projects": [
  {
   "site_name": "Tollgate Farm Battery Storage",
   "repd_ref_id": 7335,
   "technology": "Battery",
   "capacity_mw": 49.5,
   "homes_equivalent": null,
   "status": "Under Construction",
   "consented": "2019-01-22",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2017/2340/FULL",
   "operator": "RNA Energy / Harmony Energy Storage/ Tag Energy UK",
   "reason": {
    "reason": "building",
    "label": "Under construction",
    "who": "the developer",
    "evidence": {},
    "all_matches": [
     "building"
    ]
   },
   "earliest": "2027 (in construction)",
   "tec": null
  },
  {
   "site_name": "Tollgate Farm, Welham Green - Solar Farm",
   "repd_ref_id": 19478,
   "technology": "Solar Photovoltaics",
   "capacity_mw": 16.0,
   "homes_equivalent": 5800,
   "status": "Application Submitted",
   "consented": null,
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2025/1458/MAJ",
   "operator": "Brockwell Energy Limited",
   "reason": {
    "reason": "planning_overdue",
    "label": "Waiting 13 months for a planning decision",
    "who": "Welwyn Hatfield Council",
    "evidence": {
     "submitted": "2025-07-11",
     "months_waiting": 13
    },
    "all_matches": [
     "planning_overdue"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Stanborough, Hatfield - Solar Array",
   "repd_ref_id": 14878,
   "technology": "Solar Photovoltaics",
   "capacity_mw": 10.0,
   "homes_equivalent": 3600,
   "status": "Awaiting Construction",
   "consented": "2024-09-16",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2023/1802/MAJ",
   "operator": "J Reddington Limited",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved a year ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2024-09-16",
     "years_since_consent": 1.9
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Dellsome Power Hatfield Grid Station - Energy storage facility",
   "repd_ref_id": 9019,
   "technology": "Battery",
   "capacity_mw": 5.0,
   "homes_equivalent": null,
   "status": "Awaiting Construction",
   "consented": "2021-07-09",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2021/1020/FULL",
   "operator": "AMP Energy Services Limited",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved 5 years ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2021-07-09",
     "years_since_consent": 5.1
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Welwyn Power - Energy Storage Facility",
   "repd_ref_id": 11536,
   "technology": "Battery",
   "capacity_mw": 5.0,
   "homes_equivalent": null,
   "status": "Awaiting Construction",
   "consented": "2022-08-05",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2022/1190/FULL",
   "operator": "AMP Energy Services Limited",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved 4 years ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2022-08-05",
     "years_since_consent": 4.0
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Computacenter Warehouse",
   "repd_ref_id": 7290,
   "technology": "Solar Photovoltaics",
   "capacity_mw": 2.0,
   "homes_equivalent": 700,
   "status": "Under Construction",
   "consented": "2019-03-08",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2019/0141/MAJ",
   "operator": "Computacenter UK",
   "reason": {
    "reason": "building",
    "label": "Under construction",
    "who": "the developer",
    "evidence": {},
    "all_matches": [
     "building"
    ]
   },
   "earliest": "2027 (in construction)",
   "tec": null
  },
  {
   "site_name": "Stanborough, Hatfield - Battery Energy Storage System",
   "repd_ref_id": 14877,
   "technology": "Battery",
   "capacity_mw": 1.5,
   "homes_equivalent": null,
   "status": "Awaiting Construction",
   "consented": "2024-09-16",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2023/1802/MAJ",
   "operator": "J Reddington Limited",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved a year ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2024-09-16",
     "years_since_consent": 1.9
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  },
  {
   "site_name": "Gypsy Moth Avenue - Solar Array",
   "repd_ref_id": 10943,
   "technology": "Solar Photovoltaics",
   "capacity_mw": 1.2,
   "homes_equivalent": 400,
   "status": "Awaiting Construction",
   "consented": "2022-08-25",
   "refused": null,
   "planning_authority": "Welwyn Hatfield",
   "planning_ref": "6/2021/3401/MAJ",
   "operator": "Aberdeen Standard Investment",
   "reason": {
    "reason": "consented_no_activity",
    "label": "Approved 4 years ago \u2014 nothing has happened since",
    "who": "the developer and the network company",
    "evidence": {
     "consent_date": "2022-08-25",
     "years_since_consent": 3.9
    },
    "all_matches": [
     "consented_no_activity"
    ]
   },
   "earliest": null,
   "tec": null
  }
 ],
 "projects_withheld_unreferenced": 0,
 "neighbours": [
  "E14001284",
  "E14001507",
  "E14001268",
  "E14001289",
  "E14001516",
  "E14001393"
 ],
 "flags": [
  "curtailment_not_visible"
 ],
 "windows": {
  "curtailment": [
   "2025-08-01",
   "2026-07-31"
  ],
  "repd_as_of": "2026-08-03"
 }
}