{
 "aliases": [
  {
   "relation": "exact",
   "review_state": "source",
   "source_entity_id": "54809",
   "source_ref": "pudl-plants"
  }
 ],
 "citation_path": "citations/plant~eia~54809.html",
 "context": {
  "nearby_bpa_lines": [],
  "nearby_bpa_lines_status": {
   "available": true,
   "method": "Planar distance in the CONUS Albers projection (EPSG:5070) from the reported plant point to the published geometry, within about 1% in the region; features within 3 km, nearest first. Context only: nearness is not an electrical connection.",
   "note": "nearby_lines holds BPA's published lines and HIFLD-compiled lines of other owners (source_ref on each row); nearby_bpa_lines is the BPA subset; substations are HIFLD 2022 points at 100 kV and above",
   "radius_km": 3.0,
   "reason": null
  },
  "nearby_lines": [
   {
    "distance_km": 1.46,
    "id": "line:hifld:204353",
    "name": "BROAD STREET – UNIVERSIITY",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 1.51,
    "id": "line:hifld:210770",
    "name": "SEATTLE CITY NORTH – UNIVERSIITY",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   }
  ],
  "nearby_substations": [
   {
    "distance_km": 1.51,
    "id": "substation:hifld:200719",
    "kind": "SUBSTATION",
    "max_kv": 115.0,
    "name": "UNIVERSIITY",
    "source_ref": "hifld-substations-2022",
    "type": "substation"
   }
  ],
  "territories": [
   {
    "id": "territory:waecy:54",
    "name": "Seattle City Light",
    "note": "Plant coordinate lies inside this approximate territory polygon; candidate only, not a supply or service relationship",
    "relation": "candidate",
    "source_ref": "wa-ecology-territories"
   }
  ]
 },
 "coverage": {
  "generators_eligible": 8,
  "generators_operating": 1,
  "generators_published": 8,
  "output_years": [
   2015,
   2016,
   2017,
   2018,
   2019,
   2020,
   2021,
   2022,
   2023,
   2024
  ],
  "ownership_known_generators": 8
 },
 "disclosed_claims": {
  "note": "Washington Fuel Mix Disclosure claims on this plant for CY2024, the latest year loaded; several suppliers can claim one plant; a claim attributes retail sales, it is not a wire or a share of ownership",
  "report_year": 2024,
  "rows": [],
  "source_ref": "wa-fmd-2024-by-plant"
 },
 "emissions": {
  "available": false,
  "generators_monitored": 0,
  "generators_total": 7,
  "history": [],
  "note": "No unit at this plant reported to EPA's continuous emissions monitoring programs in 2024. EPA's Part 75 programs cover fossil units serving generators above 25 MW; pre-1990 simple-cycle turbines, qualifying cogenerators and units of 25 MW or less are exempt. The plant burns fuel and its CO2 is not zero; it is not reported here.",
  "reason": "no_cems_monitored_units",
  "source_ref": "pudl-epacems",
  "units_monitored": 0,
  "year": 2024
 },
 "events": [],
 "facts": [
  {
   "basis": "Sum of generator nameplate MW with operational status code OP in the inventory year; one row per generator; unscaled by ownership",
   "coverage": {
    "eligible": 1,
    "included": 1,
    "unit": "operating generators"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#nameplate_mw_op@2024",
   "label": "Nameplate capacity, operating generators",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "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-generators",
   "unit": "MW",
   "value": 3.0
  },
  {
   "basis": "Generator rows for the plant in the inventory year, any status",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#generator_count@2024",
   "label": "Generators listed",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "generator_count",
   "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": 0,
   "quality": "valid",
   "source_ref": "pudl-generators",
   "unit": "count",
   "value": 8.0
  },
  {
   "basis": "Generator rows with status code OP",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#generator_count_op@2024",
   "label": "Operating generators",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "generator_count_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": 0,
   "quality": "valid",
   "source_ref": "pudl-generators",
   "unit": "count",
   "value": 1.0
  },
  {
   "basis": "Sum of generator nameplate MW with status category existing and code other than OP (SB, OS, OA)",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#nameplate_mw_existing_not_operating@2024",
   "label": "Nameplate capacity, existing but not operating (standby / out of service)",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "nameplate_mw_existing_not_operating",
   "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-generators",
   "unit": "MW",
   "value": 12.0
  },
  {
   "basis": "Sum of generator nameplate MW with status code RE as listed in the inventory year's file; not a complete retirement history",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#nameplate_mw_retired@2024",
   "label": "Nameplate capacity, retired generators listed",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "nameplate_mw_retired",
   "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-generators",
   "unit": "MW",
   "value": 5.0
  },
  {
   "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
   "coverage": {
    "eligible": 4,
    "included": 4,
    "unit": "plant x prime-mover x fuel rows"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:54809#net_generation_mwh@2024",
   "label": "Net generation",
   "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=54809",
   "maturity": "final",
   "method": "derived",
   "metric": "net_generation_mwh",
   "missing_reason": null,
   "note": null,
   "period": {
    "hours": 8784,
    "kind": "calendar_year",
    "period_end": "2025-01-01T00:00:00Z",
    "period_start": "2024-01-01T00:00:00Z",
    "year": 2024
   },
   "precision": 0,
   "quality": "valid",
   "source_ref": "pudl-output",
   "unit": "MWh",
   "value": 7142.320000000001
  },
  {
   "basis": "Net generation MWh / (operating nameplate MW x hours in year); only when every operating generator was operating before the year began and none retired during it",
   "coverage": null,
   "denominator": {
    "hours": 8784,
    "metric": "nameplate_mw_op",
    "unit": "MW",
    "value": 3.0
   },
   "evidence": "reported",
   "fact_id": "plant:eia:54809#capacity_factor@2024",
   "label": "Capacity factor",
   "locator": "derived: net_generation_mwh@2024 / (nameplate_mw_op x 8784 h)",
   "maturity": "final",
   "method": "derived",
   "metric": "capacity_factor",
   "missing_reason": null,
   "note": null,
   "period": {
    "hours": 8784,
    "kind": "calendar_year",
    "period_end": "2025-01-01T00:00:00Z",
    "period_start": "2024-01-01T00:00:00Z",
    "year": 2024
   },
   "precision": 3,
   "quality": "valid",
   "source_ref": "pudl-output",
   "unit": "fraction",
   "value": 0.2710352155434123
  }
 ],
 "generators": [
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1993-06-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "DFO",
    "fuel_group": "oil",
    "label": "distillate_fuel_oil"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG3#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG3",
     "maturity": "final",
     "method": "derived",
     "metric": "capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG3#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG3",
     "maturity": "final",
     "method": "derived",
     "metric": "summer_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG3#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG3",
     "maturity": "final",
     "method": "derived",
     "metric": "winter_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    }
   ],
   "generator_id": "DG3",
   "id": "generator:eia:54809:DG3",
   "is_storage": false,
   "operator": {
    "entity_type": "S",
    "entity_type_label": "State-owned utility",
    "id": "org:eia:19664",
    "name": "University of Washington"
   },
   "ownership": {
    "basis": "eia860_schedule4_default",
    "invalid_shares": false,
    "note": null,
    "shares": [
     {
      "basis": "eia860_schedule4_default",
      "evidence": "reported",
      "fraction": 1.0,
      "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG3; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 2.0,
      "owner": {
       "entity_type": "S",
       "entity_type_label": "State-owned utility",
       "id": "org:eia:19664",
       "name": "University of Washington"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "IC",
    "label": "internal_combustion"
   },
   "resource_group": "oil",
   "status": {
    "category": "existing",
    "code": "SB",
    "label": "standby"
   },
   "storage": null,
   "technology": "Petroleum Liquids"
  },
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1993-06-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "DFO",
    "fuel_group": "oil",
    "label": "distillate_fuel_oil"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG4#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG4",
     "maturity": "final",
     "method": "derived",
     "metric": "capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG4#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG4",
     "maturity": "final",
     "method": "derived",
     "metric": "summer_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG4#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG4",
     "maturity": "final",
     "method": "derived",
     "metric": "winter_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    }
   ],
   "generator_id": "DG4",
   "id": "generator:eia:54809:DG4",
   "is_storage": false,
   "operator": {
    "entity_type": "S",
    "entity_type_label": "State-owned utility",
    "id": "org:eia:19664",
    "name": "University of Washington"
   },
   "ownership": {
    "basis": "eia860_schedule4_default",
    "invalid_shares": false,
    "note": null,
    "shares": [
     {
      "basis": "eia860_schedule4_default",
      "evidence": "reported",
      "fraction": 1.0,
      "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG4; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 2.0,
      "owner": {
       "entity_type": "S",
       "entity_type_label": "State-owned utility",
       "id": "org:eia:19664",
       "name": "University of Washington"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "IC",
    "label": "internal_combustion"
   },
   "resource_group": "oil",
   "status": {
    "category": "existing",
    "code": "SB",
    "label": "standby"
   },
   "storage": null,
   "technology": "Petroleum Liquids"
  },
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1994-06-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "DFO",
    "fuel_group": "oil",
    "label": "distillate_fuel_oil"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG5#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG5",
     "maturity": "final",
     "method": "derived",
     "metric": "capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG5#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG5",
     "maturity": "final",
     "method": "derived",
     "metric": "summer_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:54809:DG5#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=DG5",
     "maturity": "final",
     "method": "derived",
     "metric": "winter_capacity_mw",
     "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-generators",
     "unit": "MW",
     "value": 2.0
    }
   ],
   "generator_id": "DG5",
   "id": "generator:eia:54809:DG5",
   "is_storage": false,
   "operator": {
    "entity_type": "S",
    "entity_type_label": "State-owned utility",
    "id": "org:eia:19664",
    "name": "University of Washington"
   },
   "ownership": {
    "basis": "eia860_schedule4_default",
    "invalid_shares": false,
    "note": null,
    "shares": [
     {
      "basis": "eia860_schedule4_default",
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   "ownership": {
    "basis": "eia860_schedule4_default",
    "invalid_shares": false,
    "note": null,
    "shares": [
     {
      "basis": "eia860_schedule4_default",
      "evidence": "reported",
      "fraction": 1.0,
      "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=54809; generator_id=TG3; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 3.0,
      "owner": {
       "entity_type": "S",
       "entity_type_label": "State-owned utility",
       "id": "org:eia:19664",
       "name": "University of Washington"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "ST",
    "label": "steam_turbine"
   },
   "resource_group": "gas",
   "status": {
    "category": "existing",
    "code": "OP",
    "label": "operating"
   },
   "storage": null,
   "technology": "Natural Gas Steam Turbine"
  }
 ],
 "id": "plant:eia:54809",
 "interconnection_requests": [],
 "latest": {
  "changed_on": "2026-08-01",
  "changes_since_baseline": [
   {
    "baseline_capacity_mw": 3.0,
    "baseline_status": "OP",
    "change": "status_changed",
    "changed_on": "2026-08-01",
    "generator_id": "TG3",
    "latest_capacity_mw": 3.0,
    "latest_status": "OA",
    "planned_operating_date": null,
    "retirement_date": null
   }
  ],
  "edition": {
   "report_month": "2026-08-01",
   "source_ref": "eia860m-inventory",
   "valid_until": "2026-09-01"
  },
  "facts": [
   {
    "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion has status OP; dated by the complete inventory edition; never added to the baseline aggregate",
    "coverage": {
     "eligible": 8,
     "included": 8,
     "unit": "current and historical generators",
     "unknown_current_state": 0
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:54809#latest_nameplate_mw_op",
    "label": "Operating nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=54809; report_date=2026-08-01",
    "maturity": "provisional",
    "method": "derived",
    "metric": "latest_nameplate_mw_op",
    "missing_reason": "not_applicable",
    "note": "No unit operating in the latest inventory",
    "period": {
     "as_of": "2026-08-01",
     "kind": "instant",
     "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates"
    },
    "precision": 1,
    "quality": "not_applicable",
    "source_ref": "eia860m-inventory",
    "unit": "MW",
    "value": null
   },
   {
    "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is a proposal or construction stage (P, L, T, U, V, OT, TS); a proposal is not a commitment and its date is a forecast",
    "coverage": {
     "eligible": 8,
     "included": 8,
     "unit": "current and historical generators"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:54809#latest_nameplate_mw_planned",
    "label": "Planned nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=54809; report_date=2026-08-01",
    "maturity": "provisional",
    "method": "derived",
    "metric": "latest_nameplate_mw_planned",
    "missing_reason": "not_applicable",
    "note": null,
    "period": {
     "as_of": "2026-08-01",
     "kind": "instant",
     "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates"
    },
    "precision": 1,
    "quality": "not_applicable",
    "source_ref": "eia860m-inventory",
    "unit": "MW",
    "value": null
   },
   {
    "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is retired, cancelled or indefinitely postponed (RE, CN, IP); retired is not demolished",
    "coverage": {
     "eligible": 8,
     "included": 8,
     "unit": "current and historical generators"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:54809#latest_nameplate_mw_retired",
    "label": "Retired or cancelled nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=54809; report_date=2026-08-01",
    "maturity": "provisional",
    "method": "derived",
    "metric": "latest_nameplate_mw_retired",
    "missing_reason": null,
    "note": null,
    "period": {
     "as_of": "2026-08-01",
     "kind": "instant",
     "note": "Complete EIA-860M monthly inventory; assertion dates are not event dates"
    },
    "precision": 1,
    "quality": "valid",
    "source_ref": "eia860m-inventory",
    "unit": "MW",
    "value": 5.0
   }
  ],
  "historical_units": [],
  "in_baseline": true,
  "last_retirement_date": "2022-09-01",
  "life": "standby_or_out_of_service",
  "next_planned_operating_date": null,
  "note": "Independently dated by EIA-860M; the baseline facts above stay the validated edition. Planned dates are forecasts; retired is not demolished.",
  "summary": {
   "mw_entered_service": null,
   "mw_retired_or_cancelled": null,
   "units_entered_service": 0,
   "units_new_since_baseline": 0,
   "units_retired_or_cancelled": 0
  },
  "units": [
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1993-06-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DG3",
    "id": "generator:eia:54809:DG3",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1993-06-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DG4",
    "id": "generator:eia:54809:DG4",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1994-06-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DG5",
    "id": "generator:eia:54809:DG5",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "2003-08-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DG6",
    "id": "generator:eia:54809:DG6",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "2003-08-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DG7",
    "id": "generator:eia:54809:DG7",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 2.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "2022-12-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "DRUPS",
    "id": "generator:eia:54809:DRUPS",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "oil",
    "status": {
     "category": "existing",
     "code": "SB",
     "label": "standby"
    },
    "technology": "Petroleum Liquids"
   },
   {
    "capacity_mw": 5.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1969-01-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": "2022-09-01"
    },
    "generator_id": "TG2",
    "id": "generator:eia:54809:TG2",
    "in_baseline": true,
    "life": "retired_or_cancelled",
    "resource_group": "gas",
    "status": {
     "category": "retired",
     "code": "RE",
     "label": "retired"
    },
    "technology": "Natural Gas Steam Turbine"
   },
   {
    "capacity_mw": 3.0,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "2023-11-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "TG3",
    "id": "generator:eia:54809:TG3",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "gas",
    "status": {
     "category": "existing",
     "code": "OA",
     "label": "out_of_service_short_term"
    },
    "technology": "Natural Gas Steam Turbine"
   }
  ]
 },
 "location": {
  "city": "Seattle",
  "county": "King",
  "datum": null,
  "lat": 47.6539,
  "locator": "out_eia__yearly_plants.parquet; report_date=2024-01-01; plant_id_eia=54809",
  "lon": -122.3036,
  "note": "Plant coordinate shared by all generators; not turbine or inverter locations. Source datum field empty in this edition.",
  "quality": "source_reported",
  "source_ref": "pudl-plants",
  "state": "WA",
  "timezone": "America/Los_Angeles"
 },
 "name": "University of Washington Power Plant",
 "operator": {
  "entity_type": "S",
  "entity_type_label": "State-owned utility",
  "id": "org:eia:19664",
  "name": "University of Washington"
 },
 "output": {
  "annual": [
   {
    "components": [
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 109.75999999999999,
      "prime_mover": {
       "code": "IC",
       "label": "internal_combustion"
      }
     },
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "NG",
       "fuel_group": "gas",
       "label": "natural_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 18067.22,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "PG",
       "fuel_group": "gas",
       "label": "propane_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     }
    ],
    "fact": {
     "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
     "coverage": {
      "eligible": 4,
      "included": 4,
      "unit": "plant x prime-mover x fuel rows"
     },
     "denominator": null,
     "evidence": "reported",
     "fact_id": "plant:eia:54809#net_generation_mwh@2015",
     "label": "Net generation",
     "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2015-01-01; plant_id_eia=54809",
     "maturity": "final",
     "method": "derived",
     "metric": "net_generation_mwh",
     "missing_reason": null,
     "note": null,
     "period": {
      "hours": 8760,
      "kind": "calendar_year",
      "period_end": "2016-01-01T00:00:00Z",
      "period_start": "2015-01-01T00:00:00Z",
      "year": 2015
     },
     "precision": 0,
     "quality": "valid",
     "source_ref": "pudl-output",
     "unit": "MWh",
     "value": 18176.98
    },
    "rows": 4,
    "year": 2015
   },
   {
    "components": [
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 111.72000000000001,
      "prime_mover": {
       "code": "IC",
       "label": "internal_combustion"
      }
     },
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "NG",
       "fuel_group": "gas",
       "label": "natural_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 19812.25,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "PG",
       "fuel_group": "gas",
       "label": "propane_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     }
    ],
    "fact": {
     "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
     "coverage": {
      "eligible": 4,
      "included": 4,
      "unit": "plant x prime-mover x fuel rows"
     },
     "denominator": null,
     "evidence": "reported",
     "fact_id": "plant:eia:54809#net_generation_mwh@2016",
     "label": "Net generation",
     "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2016-01-01; plant_id_eia=54809",
     "maturity": "final",
     "method": "derived",
     "metric": "net_generation_mwh",
     "missing_reason": null,
     "note": null,
     "period": {
      "hours": 8784,
      "kind": "calendar_year",
      "period_end": "2017-01-01T00:00:00Z",
      "period_start": "2016-01-01T00:00:00Z",
      "year": 2016
     },
     "precision": 0,
     "quality": "valid",
     "source_ref": "pudl-output",
     "unit": "MWh",
     "value": 19923.97
    },
    "rows": 4,
    "year": 2016
   },
   {
    "components": [
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 121.52000000000001,
      "prime_mover": {
       "code": "IC",
       "label": "internal_combustion"
      }
     },
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "NG",
       "fuel_group": "gas",
       "label": "natural_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 16814.95,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "PG",
       "fuel_group": "gas",
       "label": "propane_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     }
    ],
    "fact": {
     "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
     "coverage": {
      "eligible": 4,
      "included": 4,
      "unit": "plant x prime-mover x fuel rows"
     },
     "denominator": null,
     "evidence": "reported",
     "fact_id": "plant:eia:54809#net_generation_mwh@2017",
     "label": "Net generation",
     "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2017-01-01; plant_id_eia=54809",
     "maturity": "final",
     "method": "derived",
     "metric": "net_generation_mwh",
     "missing_reason": null,
     "note": null,
     "period": {
      "hours": 8760,
      "kind": "calendar_year",
      "period_end": "2018-01-01T00:00:00Z",
      "period_start": "2017-01-01T00:00:00Z",
      "year": 2017
     },
     "precision": 0,
     "quality": "valid",
     "source_ref": "pudl-output",
     "unit": "MWh",
     "value": 16936.47
    },
    "rows": 4,
    "year": 2017
   },
   {
    "components": [
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 115.64,
      "prime_mover": {
       "code": "IC",
       "label": "internal_combustion"
      }
     },
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "NG",
       "fuel_group": "gas",
       "label": "natural_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 18619.15,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "PG",
       "fuel_group": "gas",
       "label": "propane_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     }
    ],
    "fact": {
     "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
     "coverage": {
      "eligible": 4,
      "included": 4,
      "unit": "plant x prime-mover x fuel rows"
     },
     "denominator": null,
     "evidence": "reported",
     "fact_id": "plant:eia:54809#net_generation_mwh@2018",
     "label": "Net generation",
     "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2018-01-01; plant_id_eia=54809",
     "maturity": "final",
     "method": "derived",
     "metric": "net_generation_mwh",
     "missing_reason": null,
     "note": null,
     "period": {
      "hours": 8760,
      "kind": "calendar_year",
      "period_end": "2019-01-01T00:00:00Z",
      "period_start": "2018-01-01T00:00:00Z",
      "year": 2018
     },
     "precision": 0,
     "quality": "valid",
     "source_ref": "pudl-output",
     "unit": "MWh",
     "value": 18734.79
    },
    "rows": 4,
    "year": 2018
   },
   {
    "components": [
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 112.7,
      "prime_mover": {
       "code": "IC",
       "label": "internal_combustion"
      }
     },
     {
      "energy_source": {
       "code": "DFO",
       "fuel_group": "oil",
       "label": "distillate_fuel_oil"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "NG",
       "fuel_group": "gas",
       "label": "natural_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 6901.549999999999,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     },
     {
      "energy_source": {
       "code": "PG",
       "fuel_group": "gas",
       "label": "propane_gas"
      },
      "maturity": "final",
      "net_generation_mwh": 0.0,
      "prime_mover": {
       "code": "ST",
       "label": "steam_turbine"
      }
     }
    ],
    "fact": {
     "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained",
     "coverage": {
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     "rows": 4,
     "value": 5.88
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2019-08-01T00:00:00Z",
     "period_start": "2019-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2019-09-01T00:00:00Z",
     "period_start": "2019-08-01T00:00:00Z",
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     "value": 7.84
    },
    {
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     "maturity": "final",
     "period_end": "2019-10-01T00:00:00Z",
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    {
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     "period_end": "2019-11-01T00:00:00Z",
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     "rows": 4,
     "value": 7.84
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    {
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     "period_end": "2019-12-01T00:00:00Z",
     "period_start": "2019-11-01T00:00:00Z",
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     "rows": 4,
     "value": 5.88
    },
    {
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     "maturity": "final",
     "period_end": "2020-01-01T00:00:00Z",
     "period_start": "2019-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2020-02-01T00:00:00Z",
     "period_start": "2020-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 30.38
    },
    {
     "hours": 696,
     "maturity": "final",
     "period_end": "2020-03-01T00:00:00Z",
     "period_start": "2020-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 566.5600000000001
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2020-04-01T00:00:00Z",
     "period_start": "2020-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 2082.67
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2020-05-01T00:00:00Z",
     "period_start": "2020-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1201.9099999999999
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    {
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     "maturity": "final",
     "period_end": "2020-06-01T00:00:00Z",
     "period_start": "2020-05-01T00:00:00Z",
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     "value": 1552.0500000000002
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2020-07-01T00:00:00Z",
     "period_start": "2020-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1371.6100000000001
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2020-08-01T00:00:00Z",
     "period_start": "2020-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1082.64
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2020-09-01T00:00:00Z",
     "period_start": "2020-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 593.6899999999999
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2020-10-01T00:00:00Z",
     "period_start": "2020-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
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    {
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     "maturity": "final",
     "period_end": "2020-11-01T00:00:00Z",
     "period_start": "2020-10-01T00:00:00Z",
     "quality": "valid",
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2020-12-01T00:00:00Z",
     "period_start": "2020-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 464.71
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-01-01T00:00:00Z",
     "period_start": "2020-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1711.1599999999999
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-02-01T00:00:00Z",
     "period_start": "2021-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1803.5300000000002
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    {
     "hours": 672,
     "maturity": "final",
     "period_end": "2021-03-01T00:00:00Z",
     "period_start": "2021-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 919.63
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-04-01T00:00:00Z",
     "period_start": "2021-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 20.45
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-05-01T00:00:00Z",
     "period_start": "2021-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 521.92
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-06-01T00:00:00Z",
     "period_start": "2021-05-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1358.07
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-07-01T00:00:00Z",
     "period_start": "2021-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1067.08
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-08-01T00:00:00Z",
     "period_start": "2021-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1041.95
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-09-01T00:00:00Z",
     "period_start": "2021-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1024.3999999999999
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-10-01T00:00:00Z",
     "period_start": "2021-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1140.79
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-11-01T00:00:00Z",
     "period_start": "2021-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1022.46
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-12-01T00:00:00Z",
     "period_start": "2021-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 687.81
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-01-01T00:00:00Z",
     "period_start": "2021-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 2123.41
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-02-01T00:00:00Z",
     "period_start": "2022-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    {
     "hours": 672,
     "maturity": "final",
     "period_end": "2022-03-01T00:00:00Z",
     "period_start": "2022-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-04-01T00:00:00Z",
     "period_start": "2022-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1701.38
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-05-01T00:00:00Z",
     "period_start": "2022-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1813.9
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-07-01T00:00:00Z",
     "period_start": "2022-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 863.3
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-08-01T00:00:00Z",
     "period_start": "2022-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-09-01T00:00:00Z",
     "period_start": "2022-08-01T00:00:00Z",
     "quality": "valid",
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-10-01T00:00:00Z",
     "period_start": "2022-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-11-01T00:00:00Z",
     "period_start": "2022-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-12-01T00:00:00Z",
     "period_start": "2022-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-01-01T00:00:00Z",
     "period_start": "2022-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 6.86
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-02-01T00:00:00Z",
     "period_start": "2023-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 28.42
    },
    {
     "hours": 672,
     "maturity": "final",
     "period_end": "2023-03-01T00:00:00Z",
     "period_start": "2023-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-04-01T00:00:00Z",
     "period_start": "2023-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-05-01T00:00:00Z",
     "period_start": "2023-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 4.9
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-06-01T00:00:00Z",
     "period_start": "2023-05-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 2.94
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-07-01T00:00:00Z",
     "period_start": "2023-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 6.86
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-08-01T00:00:00Z",
     "period_start": "2023-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 3.92
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-09-01T00:00:00Z",
     "period_start": "2023-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 18.62
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-10-01T00:00:00Z",
     "period_start": "2023-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 8.8
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-11-01T00:00:00Z",
     "period_start": "2023-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 8.82
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-12-01T00:00:00Z",
     "period_start": "2023-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 489.92
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-01-01T00:00:00Z",
     "period_start": "2023-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 719.8100000000001
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-02-01T00:00:00Z",
     "period_start": "2024-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 263.91
    },
    {
     "hours": 696,
     "maturity": "final",
     "period_end": "2024-03-01T00:00:00Z",
     "period_start": "2024-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1212.57
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-04-01T00:00:00Z",
     "period_start": "2024-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1136.9
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-05-01T00:00:00Z",
     "period_start": "2024-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 986.57
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-06-01T00:00:00Z",
     "period_start": "2024-05-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 790.86
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-07-01T00:00:00Z",
     "period_start": "2024-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 391.96
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-08-01T00:00:00Z",
     "period_start": "2024-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-09-01T00:00:00Z",
     "period_start": "2024-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-10-01T00:00:00Z",
     "period_start": "2024-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 7.84
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-11-01T00:00:00Z",
     "period_start": "2024-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 389.04
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-12-01T00:00:00Z",
     "period_start": "2024-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 871.17
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2025-01-01T00:00:00Z",
     "period_start": "2024-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 4,
     "value": 1075.82
    }
   ],
   "years_eligible": [
    2017,
    2018,
    2019,
    2020,
    2021,
    2022,
    2023,
    2024
   ],
   "years_excluded": [
    {
     "frequency_code": "A",
     "reason": "annual_reporter",
     "year": 2015
    },
    {
     "frequency_code": "A",
     "reason": "annual_reporter",
     "year": 2016
    }
   ]
  },
  "note": "Sum of unique plant x prime-mover x fuel rows per year; negative values retained; missing years absent, not zero; no monthly curve inferred",
  "reporter_frequency": "monthly"
 },
 "ownership_paths": {
  "available": false,
  "note": "Direct owners and their shares are in ownership_rollup and on each generator; no parent chain is curated for this plant, so no parent-attributed MW exists and none is implied",
  "reason": "parent_chain_not_curated",
  "source_ref": "ownership-parents"
 },
 "ownership_rollup": {
  "basis": "Operating nameplate MW x ownership fraction, once per generator; reported schedule or EIA-860 schedule-4 default",
  "note": null,
  "owners": [
   {
    "bases": [
     "eia860_schedule4_default"
    ],
    "generators": 1,
    "owned_mw": 3.0,
    "owner": {
     "entity_type": "S",
     "entity_type_label": "State-owned utility",
     "id": "org:eia:19664",
     "name": "University of Washington"
    }
   }
  ],
  "unassigned_mw": 0.0,
  "unknown_coverage": {
   "eligible": 0,
   "included": 0,
   "unit": "native rows"
  },
  "unknown_mw": 0.0
 },
 "release_id": "20260929T050546Z-51ae0f7d3c78",
 "reporting": {
  "ba": {
   "code": "SCL",
   "id": "ba:eia:SCL",
   "name": "Seattle City Light"
  },
  "ba_code_source": "SCL",
  "frame_role": "core",
  "in_geographic_core": true,
  "in_reporting_frame": true,
  "inclusion_reason": "ba_in_frame_v1",
  "membership_review_status": "source",
  "reporter_frequency": "M"
 },
 "resource_group": "gas",
 "schema_version": "1.41.0",
 "source_name": null,
 "sources": [
  "pudl-generators",
  "pudl-output",
  "pudl-ownership",
  "pudl-plants"
 ],
 "storage": null,
 "type": "plant",
 "updated_reason": null,
 "water": null
}