{
 "aggregation_bucket": null,
 "aliases": [
  {
   "relation": "exact",
   "review_state": "source",
   "source_entity_id": "13902",
   "source_ref": "pudl-utilities"
  }
 ],
 "carbon_allowances": {
  "available": false,
  "checked": [
   "wa-ecology-cca-allowances"
  ],
  "note": "Not a CETA-obligated electric utility in Ecology's allowance schedule (or not linked by the reviewed crosswalk); only Washington retail utilities subject to the Clean Energy Transformation Act receive no-cost allowances. Checked wa-ecology-cca-allowances 2026-09-18",
  "reason": "not_ceta_obligated"
 },
 "citation_path": "citations/org~eia~13902.html",
 "consumer_owned": false,
 "coverage": {
  "note": "Ownership, operation and retail sales are separate roles; none is a supply relationship",
  "plants_operated": 11,
  "plants_owned": 11,
  "retail_rows": 0,
  "territories_reviewed": 0
 },
 "disclosed_supply": {
  "available": false,
  "note": "Not a Washington retail supplier in the Fuel Mix Disclosure extracts (CY2014–CY2024 loaded), or not linked by the reviewed claimant crosswalk",
  "reason": "not_a_claimant"
 },
 "distributed": null,
 "distribution_screening": null,
 "entity_type": "I",
 "entity_type_label": "Investor-owned utility",
 "facts": [
  {
   "basis": "Sum of operating generator nameplate MW at plants where this organization is the reported operator",
   "coverage": {
    "eligible": 11,
    "included": 11,
    "plants_with_partial_capacity": 0,
    "unit": "plants"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "org:eia:13902#operated_nameplate_mw_op@2024",
   "label": "Operated nameplate capacity, operating generators",
   "locator": "out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=13902",
   "maturity": "final",
   "method": "derived",
   "metric": "operated_nameplate_mw_op",
   "missing_reason": null,
   "note": "Reported operating capacity; partial plant/unit coverage is marked",
   "period": {
    "kind": "inventory_year",
    "note": "EIA-860 annual inventory; status as of the end of the reporting year",
    "report_date": "2024-01-01",
    "year": 2024
   },
   "precision": 1,
   "quality": "valid",
   "source_ref": "pudl-generators",
   "unit": "MW",
   "value": 446.7
  },
  {
   "basis": "Sum over operating generators of nameplate MW x this organization's ownership fraction (reported schedule or EIA-860 schedule-4 default)",
   "coverage": {
    "eligible": 11,
    "included": 11,
    "unit": "plants"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "org:eia:13902#owned_nameplate_mw_op@2024",
   "label": "Owned nameplate capacity, operating generators",
   "locator": "out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=13902",
   "maturity": "final",
   "method": "derived",
   "metric": "owned_nameplate_mw_op",
   "missing_reason": null,
   "note": null,
   "period": {
    "kind": "inventory_year",
    "note": "EIA-860 annual inventory; status as of the end of the reporting year",
    "report_date": "2024-01-01",
    "year": 2024
   },
   "precision": 1,
   "quality": "valid",
   "source_ref": "pudl-ownership",
   "unit": "MW",
   "value": 693.8100000000001
  }
 ],
 "id": "org:eia:13902",
 "money": {
  "available": true,
  "currency": "USD nominal",
  "expenses": {
   "note": "Schedule 320 electric operation and maintenance: function totals as the form computes them (as_computed) with the purchased power, fuel and wheeling accounts listed beneath as components, never added again",
   "rows": [
    {
     "as_computed": true,
     "component": false,
     "expense_type": "operations_and_maintenance_expenses_electric",
     "ferc_account": null,
     "label": "Total electric O&M",
     "usd": 483216326.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "power_production_expenses",
     "ferc_account": null,
     "label": "Power production",
     "usd": 285288833.0
    },
    {
     "as_computed": false,
     "component": true,
     "expense_type": "purchased_power",
     "ferc_account": "555",
     "label": "of which purchased power (account 555)",
     "usd": 210396480.0
    },
    {
     "as_computed": false,
     "component": true,
     "expense_type": "fuel_steam_power_generation",
     "ferc_account": "501",
     "label": "of which fuel, steam generation (501)",
     "usd": 34170982.0
    },
    {
     "as_computed": false,
     "component": true,
     "expense_type": "fuel",
     "ferc_account": "547",
     "label": "of which fuel, other generation (547)",
     "usd": 29943470.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "transmission_expenses",
     "ferc_account": null,
     "label": "Transmission",
     "usd": 26531061.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "distribution_expenses",
     "ferc_account": null,
     "label": "Distribution",
     "usd": 40784701.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "customer_account_expenses",
     "ferc_account": null,
     "label": "Customer accounts",
     "usd": 12047929.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "customer_service_and_information_expenses",
     "ferc_account": null,
     "label": "Customer service and information",
     "usd": 2642062.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "sales_expenses",
     "ferc_account": null,
     "label": "Sales",
     "usd": 609692.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "administrative_and_general_operation_expense",
     "ferc_account": null,
     "label": "Administrative and general, operation",
     "usd": 100383017.0
    },
    {
     "as_computed": true,
     "component": false,
     "expense_type": "administrative_and_general_maintenance_expenses",
     "ferc_account": "935",
     "label": "Administrative and general, maintenance",
     "usd": 14906916.0
    },
    {
     "as_computed": false,
     "component": true,
     "expense_type": "transmission_of_electricity_by_others",
     "ferc_account": "565",
     "label": "of which transmission by others (565)",
     "usd": 6261346.0
    }
   ],
   "source_ref": "pudl-ferc1-operating-expenses"
  },
  "facts": [
   {
    "basis": "FERC Form 1 Schedule 326 total settlement over named sellers (adjustment rows excluded), nominal dollars for the report year",
    "coverage": {
     "eligible": 94,
     "included": 93,
     "unit": "native rows"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "org:eia:13902#purchased_power_usd@2025",
    "label": "Purchased power, settlements",
    "locator": "utility_id_ferc1=315; report_year=2025",
    "maturity": "final",
    "method": "derived",
    "metric": "purchased_power_usd",
    "missing_reason": null,
    "note": "94 named sellers; 0 adjustment and 2 market-settlement rows and the filing total row excluded",
    "period": {
     "hours": null,
     "kind": "calendar_year",
     "period_end": "2026-01-01T00:00:00Z",
     "period_start": "2025-01-01T00:00:00Z",
     "year": 2025
    },
    "precision": 0,
    "quality": "suspect",
    "source_ref": "pudl-ferc1-purchased-power",
    "unit": "USD",
    "value": 224746139.0
   },
   {
    "basis": "FERC Form 1 Schedule 326 purchased MWh over named sellers (purchased_mwh through 2020, purchased other than storage from 2021)",
    "coverage": {
     "eligible": 94,
     "included": 94,
     "unit": "native rows"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "org:eia:13902#purchased_power_mwh@2025",
    "label": "Purchased power, energy",
    "locator": "utility_id_ferc1=315; report_year=2025",
    "maturity": "final",
    "method": "derived",
    "metric": "purchased_power_mwh",
    "missing_reason": null,
    "note": "Sum of reported MWh on named counterparty rows; missing cells are excluded and coverage is explicit",
    "period": {
     "hours": null,
     "kind": "calendar_year",
     "period_end": "2026-01-01T00:00:00Z",
     "period_start": "2025-01-01T00:00:00Z",
     "year": 2025
    },
    "precision": 0,
    "quality": "valid",
    "source_ref": "pudl-ferc1-purchased-power",
    "unit": "MWh",
    "value": 3245327.0
   },
   {
    "basis": "FERC Form 1 Schedule 300 sales to ultimate consumers plus sales for resale, nominal dollars",
    "coverage": null,
    "denominator": null,
    "evidence": "reported",
    "fact_id": "org:eia:13902#operating_revenue_usd@2025",
    "label": "Electric operating revenue",
    "locator": "utility_id_ferc1=315; report_year=2025",
    "maturity": "final",
    "method": "direct",
    "metric": "operating_revenue_usd",
    "missing_reason": null,
    "note": "The form's own electric operating revenues total (Schedule 300), as filed",
    "period": {
     "hours": null,
     "kind": "calendar_year",
     "period_end": "2026-01-01T00:00:00Z",
     "period_start": "2025-01-01T00:00:00Z",
     "year": 2025
    },
    "precision": 0,
    "quality": "valid",
    "source_ref": "pudl-ferc1-operating-revenues",
    "unit": "USD",
    "value": 1040981011.0
   }
  ],
  "ferc1": {
   "link_basis": "curated",
   "name": "NorthWestern Corporation (Montana)",
   "related_eia_ids": "13809;56815",
   "utility_id_ferc1": 315,
   "xbrl_entity_id": "C001789"
  },
  "note": "Nominal dollars for the report year as filed; revisions arrive for months after the April deadline; the pinned PUDL release fixes the snapshot",
  "purchased_power": {
   "adjustments": [],
   "market_settlements": [
    {
     "edge": "M6",
     "mwh": 0.0,
     "name": "california independent system operator - eim supply (purchased power supply)",
     "purchase_type": "SF",
     "usd": -11222275.0
    },
    {
     "edge": "M6",
     "mwh": 0.0,
     "name": "california independent system operator - eim transmission (purchased power supply)",
     "purchase_type": "SF",
     "usd": 144567.0
    }
   ],
   "note": "Missing cells stay missing; partial seller sums are marked and have no USD/MWh ratio. FERC Form 1 Schedule 326 rows for the report year; seller names as filed; an organization link exists only through a reviewed crosswalk row; MWh uses purchased_mwh through 2020 and purchased other than storage from 2021. A row counts as a seller when it names a party, whatever its purchase type: FERC's AD code marks an adjusting entry, and an adjusting entry naming a company is still money between that company and the respondent. Rows whose name is a mechanism (deferrals, allowances, the residential exchange) are listed as adjustments; rows naming a market operator are listed as market settlements",
   "purchase_types": {
    "AD": "adjustment",
    "EX": "electricity_exchange",
    "IF": "intermediate_firm",
    "IU": "intermediate_unit",
    "LF": "long_firm",
    "LU": "long_unit",
    "OS": "other_service",
    "RQ": "requirement",
    "SF": "short_firm"
   },
   "sellers": [
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 458357.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "billings generation inc (tier ii qf)",
     "tariffs": [],
     "usd": 55650667.0,
     "usd_per_mwh": 121.41
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 280562.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "powerex corp. (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 35924272.0,
     "usd_per_mwh": 128.04
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 277535.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "colstrip energy ltd/montana one (non tier ii qf)",
     "tariffs": [],
     "usd": 17055345.0,
     "usd_per_mwh": 61.45
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 410163.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "invenergy energy marketing llc-electric (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 14339260.0,
     "usd_per_mwh": 34.96
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 214608.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "edf trading north america, llc (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 12308113.0,
     "usd_per_mwh": 57.35
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 252725.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "stillwater wind llc (non tier ii qf)",
     "tariffs": [],
     "usd": 9499768.0,
     "usd_per_mwh": 37.59
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 10877.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "heartland generation ltd (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 9436802.0,
     "usd_per_mwh": 867.59
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 152005.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "replacement purchases celp/macq (tier ii qf)",
     "tariffs": [],
     "usd": 7600250.0,
     "usd_per_mwh": 50.0
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 0.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "basin creek-electric power plant (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 7583584.0,
     "usd_per_mwh": null
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 166420.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "apex solar llc (non tier ii solar qf )",
     "tariffs": [],
     "usd": 6699428.0,
     "usd_per_mwh": 40.26
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 143108.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "montana sun, llc (non tier ii solar qf )",
     "tariffs": [],
     "usd": 6076190.0,
     "usd_per_mwh": 42.46
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 243061.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "south peak wind (non tier ii qf)",
     "tariffs": [],
     "usd": 5496535.0,
     "usd_per_mwh": 22.61
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 79678.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "greenfield wind (non tier ii qf)",
     "tariffs": [],
     "usd": 3944668.0,
     "usd_per_mwh": 49.51
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 73308.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "big timber wind (greycliff) (non tier ii qf)",
     "tariffs": [],
     "usd": 3324517.0,
     "usd_per_mwh": 45.35
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 0.0,
     "partial": false,
     "purchase_types": [
      "OS"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "estimate energy (purchased power supply)",
     "tariffs": [],
     "usd": 2915059.0,
     "usd_per_mwh": null
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 45844.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "energy keepers, inc. (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 2639601.0,
     "usd_per_mwh": 57.58
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 37141.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "gordon butte wind (non tier ii qf)",
     "tariffs": [],
     "usd": 2570540.0,
     "usd_per_mwh": 69.21
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 27688.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "fairfield wind (non tier ii qf)",
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       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 3951.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": {
      "id": "org:eia:9191",
      "name": "Idaho Power",
      "relation": "reviewed"
     },
     "seller_name": "idaho power company (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 112504.0,
     "usd_per_mwh": 28.47
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 5074.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "morgan stanley capital group, inc. (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 111611.0,
     "usd_per_mwh": 22.0
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 2441.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": {
      "id": "org:eia:18429",
      "name": "Tacoma Power",
      "relation": "reviewed"
     },
     "seller_name": "tacoma power (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 102970.0,
     "usd_per_mwh": 42.18
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 1615.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "ross creek hydro (tier ii qf)",
     "tariffs": [],
     "usd": 101586.0,
     "usd_per_mwh": 62.9
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 1901.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "altop energy trading llc (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 100410.0,
     "usd_per_mwh": 52.82
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 1600.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "rainbow energy marketing corporation (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 89600.0,
     "usd_per_mwh": 56.0
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 2715.0,
     "partial": false,
     "purchase_types": [
      "SF"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "conocophillips company (purchased power supply)",
     "tariffs": [
      "Market-Based Rate Tariff"
     ],
     "usd": 79831.0,
     "usd_per_mwh": 29.4
    },
    {
     "coverage": {
      "mwh": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      },
      "usd": {
       "eligible": 1,
       "included": 1,
       "unit": "counterparty rows"
      }
     },
     "edge": "M7",
     "mwh": 1254.0,
     "partial": false,
     "purchase_types": [
      "LU"
     ],
     "rows": 1,
     "seller": null,
     "seller_name": "pine creek (non tier ii qf)",
     "tariffs": [],
     "usd": 50171.0,
     "usd_per_mwh": 40.01
    }
   ],
   "sellers_total": 94,
   "source_ref": "pudl-ferc1-purchased-power"
  },
  "report_year": 2025,
  "revenue_by_class": {
   "note": "Schedule 300 class lines as the form computes them (as_computed); usd_per_mwh is revenue over MWh sold for that class; the class lines are not re-summed here; EIA-861 revenue and price for the same utility are on the retail block and can differ (different survey, scope and year)",
   "rows": [
    {
     "as_computed": true,
     "customers": 334010.0,
     "edge": "M4",
     "ferc_account": "440",
     "mwh": 2833866.0,
     "revenue_type": "residential_sales",
     "usd": 410579617.0,
     "usd_per_mwh": 144.88
    },
    {
     "as_computed": true,
     "customers": 79670.0,
     "edge": "M4",
     "ferc_account": null,
     "mwh": 3225871.0,
     "revenue_type": "small_or_commercial",
     "usd": 425785644.0,
     "usd_per_mwh": 131.99
    },
    {
     "as_computed": true,
     "customers": 80.0,
     "edge": "M4",
     "ferc_account": null,
     "mwh": 307580.0,
     "revenue_type": "large_or_industrial",
     "usd": 43376433.0,
     "usd_per_mwh": 141.02
    },
    {
     "as_computed": true,
     "customers": 25434.0,
     "edge": "M4",
     "ferc_account": "444",
     "mwh": 25155.0,
     "revenue_type": "public_street_and_highway_lighting",
     "usd": 16027222.0,
     "usd_per_mwh": 637.14
    },
    {
     "as_computed": true,
     "customers": 347.0,
     "edge": "M4",
     "ferc_account": "448",
     "mwh": 6735.0,
     "revenue_type": "interdepartmental_sales",
     "usd": 914785.0,
     "usd_per_mwh": 135.83
    },
    {
     "as_computed": true,
     "customers": null,
     "edge": "M7-sell",
     "ferc_account": "447",
     "mwh": 854892.0,
     "revenue_type": "sales_for_resale",
     "usd": 29691269.0,
     "usd_per_mwh": 34.73
    }
   ],
   "source_ref": "pudl-ferc1-operating-revenues",
   "totals": [
    {
     "mwh": null,
     "revenue_type": "electric_operating_revenues",
     "usd": 1040981011.0
    },
    {
     "mwh": null,
     "revenue_type": "other_operating_revenues",
     "usd": 121957895.0
    },
    {
     "mwh": 7254099.0,
     "revenue_type": "sales_of_electricity",
     "usd": 926374969.0
    },
    {
     "mwh": 6399207.0,
     "revenue_type": "sales_to_ultimate_consumers",
     "usd": 896683700.0
    }
   ]
  },
  "years": [
   2015,
   2016,
   2017,
   2018,
   2019,
   2020,
   2021,
   2022,
   2023,
   2024,
   2025
  ]
 },
 "name": "NorthWestern Energy",
 "obligations": {
  "available": false,
  "checked": [
   "clean-energy-obligations"
  ],
  "note": "No curated obligation assertion for this utility. The registry covers Washington utilities under CETA and the Energy Independence Act as far as their filings have been read; absence here is the atlas's coverage, not a statement that the utility owes nothing.",
  "programs": [],
  "reason": "not_curated",
  "rules": [
   "A fuel-mix value is not a compliance verdict: the disclosed-supply block reports what a utility sold by category as Commerce computed it; compliance is what the issuing body decides on the utility's filing, and that decision is a determination row here.",
   "A filing that restates a target does not enact it: only rows with standing enacted or ordered are the obligation; standing filed, proposed or compiled is the utility's or an agency's expression of it."
  ]
 },
 "operates": [
  {
   "id": "plant:eia:2195",
   "name": "Thompson Falls",
   "nameplate_mw_op": 98.1,
   "state": "MT"
  },
  {
   "id": "plant:eia:2191",
   "name": "Morony",
   "nameplate_mw_op": 63.0,
   "state": "MT"
  },
  {
   "id": "plant:eia:2182",
   "name": "Cochrane",
   "nameplate_mw_op": 60.4,
   "state": "MT"
  },
  {
   "id": "plant:eia:2193",
   "name": "Rainbow (MT)",
   "nameplate_mw_op": 59.0,
   "state": "MT"
  },
  {
   "id": "plant:eia:2194",
   "name": "Ryan",
   "nameplate_mw_op": 55.2,
   "state": "MT"
  },
  {
   "id": "plant:eia:2186",
   "name": "Holter",
   "nameplate_mw_op": 39.6,
   "state": "MT"
  },
  {
   "id": "plant:eia:2181",
   "name": "Black Eagle",
   "nameplate_mw_op": 26.7,
   "state": "MT"
  },
  {
   "id": "plant:eia:6422",
   "name": "Madison Dam",
   "nameplate_mw_op": 16.4,
   "state": "MT"
  },
  {
   "id": "plant:eia:2185",
   "name": "Hauser",
   "nameplate_mw_op": 16.3,
   "state": "MT"
  },
  {
   "id": "plant:eia:2192",
   "name": "Mystic",
   "nameplate_mw_op": 12.0,
   "state": "MT"
  },
  {
   "id": "plant:eia:2190",
   "name": "Milltown",
   "nameplate_mw_op": 0.0,
   "state": "MT"
  }
 ],
 "oregon_supply": {
  "available": false,
  "note": "Not an electricity supplier in DEQ's Oregon workbook (2010–2024 loaded), or not linked by the reviewed supplier crosswalk",
  "reason": "not_a_supplier"
 },
 "owns": [
  {
   "bases": [
    "reported_schedule"
   ],
   "generators": 1,
   "id": "plant:eia:6076",
   "name": "Colstrip Steam Electric Station",
   "owned_mw": 247.11,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 7,
   "id": "plant:eia:2195",
   "name": "Thompson Falls",
   "owned_mw": 98.1,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 2,
   "id": "plant:eia:2191",
   "name": "Morony",
   "owned_mw": 63.0,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 2,
   "id": "plant:eia:2182",
   "name": "Cochrane",
   "owned_mw": 60.4,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 1,
   "id": "plant:eia:2193",
   "name": "Rainbow (MT)",
   "owned_mw": 59.0,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 6,
   "id": "plant:eia:2194",
   "name": "Ryan",
   "owned_mw": 55.2,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 3,
   "id": "plant:eia:2186",
   "name": "Holter",
   "owned_mw": 39.6,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 3,
   "id": "plant:eia:2181",
   "name": "Black Eagle",
   "owned_mw": 26.7,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 4,
   "id": "plant:eia:6422",
   "name": "Madison Dam",
   "owned_mw": 16.4,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 5,
   "id": "plant:eia:2185",
   "name": "Hauser",
   "owned_mw": 16.3,
   "state": "MT"
  },
  {
   "bases": [
    "eia860_schedule4_default"
   ],
   "generators": 2,
   "id": "plant:eia:2192",
   "name": "Mystic",
   "owned_mw": 12.0,
   "state": "MT"
  }
 ],
 "programmes": {
  "coverage": {
   "bucket": false,
   "demand_response": {
    "classes_filed": [],
    "comparison_year_reason": "no_eia861_rows_in_core_states",
    "short_form_years": [],
    "states": [],
    "years_filed": [],
    "years_listed_without_values": [],
    "years_without_row": [
     2013,
     2014,
     2015,
     2016,
     2017,
     2018,
     2019,
     2020,
     2021,
     2022,
     2023,
     2024
    ]
   },
   "energy_efficiency": {
    "classes_filed": [],
    "comparison_year_reason": "no_eia861_rows_in_core_states",
    "short_form_years": [],
    "states": [],
    "years_filed": [],
    "years_listed_without_values": [],
    "years_without_row": [
     2013,
     2014,
     2015,
     2016,
     2017,
     2018,
     2019,
     2020,
     2021,
     2022,
     2023,
     2024
    ]
   },
   "long_form_respondent": false,
   "note": "Population: organizations of this release with EIA-861 rows in the core states. A short-form respondent has no figures to file; a long-form respondent without a row may have no programmes or may have a nonutility administrator reporting for it. Years without a row are listed against the table's span, not against the years this utility filed the form.",
   "short_form_respondent": false,
   "table_years": [
    2013,
    2024
   ],
   "year": 2024
  },
  "demand_response": {
   "available": false,
   "form_part": "EIA-861 Schedule 6 Part B",
   "note": "No EIA-861 sales rows for this organization in ID, MT, OR, WA for 2024; customer programmes are loaded for those states only.",
   "programme": "demand_response",
   "reason": "no_eia861_rows_in_core_states",
   "rows": [],
   "source_ref": "pudl-eia861-demand-response"
  },
  "energy_efficiency": {
   "available": false,
   "form_part": "EIA-861 Schedule 6 Part A",
   "note": "No EIA-861 sales rows for this organization in ID, MT, OR, WA for 2024; customer programmes are loaded for those states only.",
   "programme": "energy_efficiency",
   "reason": "no_eia861_rows_in_core_states",
   "rows": [],
   "source_ref": "pudl-eia861-energy-efficiency"
  },
  "note": "Programme results as each utility filed them, by customer class and report year, each in its own unit. Classes are never added into a total, years are never added into a period, and savings are never divided by sales. The one ratio shown, enrolled demand-response customers against the utility's own EIA-861 customer count for the same state, class and year, carries both counts.",
  "source_refs": [],
  "year": 2024
 },
 "published_lines": null,
 "release_id": "20260929T050546Z-51ae0f7d3c78",
 "reliability": {
  "available": false,
  "history": [],
  "note": "No EIA-861 rows for this organization in Washington, Oregon, Idaho or Montana for 2024; reliability is loaded for those states only.",
  "reason": "no_eia861_rows_in_core_states",
  "rows": [],
  "source_ref": "pudl-reliability",
  "year": 2024
 },
 "retail": {
  "available": false,
  "note": "No EIA-861 sales rows for this utility in the core states for the comparison year",
  "reason": "not_reported"
 },
 "roles": {
  "operator": true,
  "owner": true,
  "retail_seller": false
 },
 "row_note": null,
 "schema_version": "1.41.0",
 "source_name": null,
 "sources": [
  "pudl-generators",
  "pudl-ownership",
  "pudl-utilities"
 ],
 "state": "MT",
 "supply_account": {
  "available": false,
  "note": "No curated BPA supply account for this organization; absence here is the atlas's coverage, not a statement about any contract with BPA.",
  "reason": "not_curated"
 },
 "tariffs": {
  "available": false,
  "checked": [
   "retail-tariffs"
  ],
  "note": "No tariff sheet read for this utility. The registry covers the utilities the atlas works examples from, one row per published schedule; it is not a census of tariffs.",
  "reason": "not_registered"
 },
 "territories": [],
 "type": "org",
 "updated_reason": null
}