{
 "aliases": [
  {
   "relation": "exact",
   "review_state": "source",
   "source_entity_id": "6200",
   "source_ref": "pudl-plants"
  },
  {
   "basis": "EHA 2026 EIA_PtID 6200 = EIA plant; state WA; EHA point 0.55 km from EIA point; names share a token; HILARRI v4 links EHA id to NID WA00084 (Rock Island, Columbia River), NID point 0.46 km from EIA point; NID purposes: Hydroelectric;Flood Risk Reduction",
   "evidence_url": "https://hydrosource.ornl.gov/data/datasets/hilarri-v4/",
   "kind": "hydro_plant",
   "name": "Rock Island",
   "note": "Hydropower is a reported purpose in the NID. Associated power plant is included in the EHA.",
   "relation": "exact",
   "review_state": "reviewed",
   "reviewed_on": "2026-09-21",
   "source_entity_id": "hc1078_p01",
   "source_ref": "ornl-eha-2026",
   "source_url": "https://hydrosource.ornl.gov/data/datasets/eha-plant-2026/",
   "water": "Columbia River"
  },
  {
   "basis": "EHA 2026 EIA_PtID 6200 = EIA plant; state WA; EHA point 0.55 km from EIA point; names share a token; HILARRI v4 links EHA id to NID WA00084 (Rock Island, Columbia River), NID point 0.46 km from EIA point; NID purposes: Hydroelectric;Flood Risk Reduction",
   "evidence_url": "https://hydrosource.ornl.gov/data/datasets/hilarri-v4/",
   "kind": "dam",
   "name": "Rock Island",
   "note": "Hydropower is a reported purpose in the NID. Associated power plant is included in the EHA.",
   "relation": "component",
   "review_state": "reviewed",
   "reviewed_on": "2026-09-21",
   "source_entity_id": "WA00084",
   "source_ref": "usace-nid",
   "source_url": "https://nid.sec.usace.army.mil/"
  },
  {
   "basis": "EHA 2026 EIA_PtID 6200 = EIA plant; state WA; EHA point 0.55 km from EIA point; names share a token; HILARRI v4 links EHA id to NID WA00084 (Rock Island, Columbia River), NID point 0.46 km from EIA point; NID purposes: Hydroelectric;Flood Risk Reduction",
   "evidence_url": "https://hydrosource.ornl.gov/data/datasets/hilarri-v4/",
   "ids": {
    "grand_id": null,
    "huc12": "170200100401",
    "nhdplusv2_comid": "23207778"
   },
   "kind": "water_links",
   "name": null,
   "note": "Hydropower is a reported purpose in the NID. Associated power plant is included in the EHA.",
   "relation": "exact",
   "review_state": "reviewed",
   "reviewed_on": "2026-09-21",
   "source_entity_id": "2299",
   "source_ref": "ornl-hilarri-v4",
   "source_url": "https://hydrosource.ornl.gov/data/datasets/hilarri-v4/"
  },
  {
   "kind": "display_name",
   "note": "operator name for the dam",
   "relation": "exact",
   "review_state": "reviewed",
   "reviewed_on": "2026-09-18",
   "source_entity_id": "Rock Island Dam",
   "source_ref": "curated-aliases",
   "source_url": "https://www.chelanpud.org/hydropower/rock-island-dam"
  }
 ],
 "citation_path": "citations/plant~eia~6200.html",
 "context": {
  "nearby_bpa_lines": [
   {
    "distance_km": 0.93,
    "id": "line:bpa:RKYR-COLU-1",
    "name": "Rocky Reach-Columbia No 1",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "230",
    "voltage_kv": 230.0
   },
   {
    "distance_km": 1.91,
    "id": "line:bpa:COLU-VALH-2",
    "name": "Columbia-Valhalla No 2",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 1.93,
    "id": "line:bpa:COLU-VALH-1",
    "name": "Columbia-Valhalla No 1",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   }
  ],
  "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": 0.09,
    "id": "line:hifld:211402",
    "name": "ROCK ISLAND DAM – ROCK ISLAND DAM",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.11,
    "id": "line:hifld:211403",
    "name": "TAP209256 – ROCK ISLAND DAM",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.13,
    "id": "line:hifld:211404",
    "name": "MCKENZIE SWITCHYARD – ROCK ISLAND DAM",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.13,
    "id": "line:hifld:211406",
    "name": "MCKENZIE SWITCHYARD – ROCK ISLAND DAM",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.62,
    "id": "line:hifld:206590",
    "name": "ROCK ISLAND – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.62,
    "id": "line:hifld:206591",
    "name": "ROCK ISLAND – VALHALLA",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 0.93,
    "id": "line:bpa:RKYR-COLU-1",
    "name": "Rocky Reach-Columbia No 1",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "230",
    "voltage_kv": 230.0
   },
   {
    "distance_km": 1.22,
    "id": "line:hifld:211405",
    "name": "MCKENZIE SWITCHYARD – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 1.91,
    "id": "line:bpa:COLU-VALH-2",
    "name": "Columbia-Valhalla No 2",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 1.93,
    "id": "line:bpa:COLU-VALH-1",
    "name": "Columbia-Valhalla No 1",
    "source_ref": "bpa-lines",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 1.98,
    "id": "line:hifld:205769",
    "name": "PUD NO 1 OF CHELAN COUNTY line 205769",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "230",
    "voltage_kv": 230.0
   },
   {
    "distance_km": 2.63,
    "id": "line:hifld:205767",
    "name": "PUD NO 1 OF CHELAN COUNTY line 205767",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "230",
    "voltage_kv": 230.0
   },
   {
    "distance_km": 2.69,
    "id": "line:hifld:211378",
    "name": "TAP209248 – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 2.69,
    "id": "line:hifld:211380",
    "name": "MCKENZIE SWITCHYARD – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 2.69,
    "id": "line:hifld:211382",
    "name": "TAP209253 – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 2.69,
    "id": "line:hifld:211383",
    "name": "ANDREW YORK MONITOR & SWITCHYARD – MCKENZIE SWITCHYARD",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   },
   {
    "distance_km": 2.87,
    "id": "line:hifld:205770",
    "name": "VALHALLA – KEOKUK",
    "source_ref": "hifld-lines-2021",
    "type": "line",
    "voltage_class": "115-161",
    "voltage_kv": 115.0
   }
  ],
  "nearby_substations": [
   {
    "distance_km": 0.13,
    "id": "substation:hifld:209257",
    "kind": "SUBSTATION",
    "max_kv": 115.0,
    "name": "ROCK ISLAND DAM",
    "source_ref": "hifld-substations-2022",
    "type": "substation"
   },
   {
    "distance_km": 2.69,
    "id": "substation:hifld:202001",
    "kind": "SUBSTATION",
    "max_kv": 230.0,
    "name": "MCKENZIE SWITCHYARD",
    "source_ref": "hifld-substations-2022",
    "type": "substation"
   },
   {
    "distance_km": 2.76,
    "id": "substation:hifld:201272",
    "kind": "SUBSTATION",
    "max_kv": 230.0,
    "name": "Unnamed substation",
    "source_ref": "hifld-substations-2022",
    "type": "substation"
   },
   {
    "distance_km": 2.87,
    "id": "substation:hifld:200468",
    "kind": "SUBSTATION",
    "max_kv": 115.0,
    "name": "VALHALLA",
    "source_ref": "hifld-substations-2022",
    "type": "substation"
   }
  ],
  "territories": [
   {
    "id": "territory:waecy:11",
    "name": "Douglas County PUD #1",
    "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": 19,
  "generators_operating": 15,
  "generators_published": 19,
  "output_years": [
   2015,
   2016,
   2017,
   2018,
   2019,
   2020,
   2021,
   2022,
   2023,
   2024
  ],
  "ownership_known_generators": 19
 },
 "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": [
   {
    "category": "Hydro",
    "claim_type": "Utility Specified",
    "claimant_id": 90,
    "claimant_name": "Puget Sound Energy",
    "mwh": 911906.0,
    "org": {
     "id": "org:eia:15500",
     "name": "Puget Sound Energy"
    },
    "rec": null,
    "report_year": 2024
   },
   {
    "category": "Hydro",
    "claim_type": "Utility Specified",
    "claimant_id": 19,
    "claimant_name": "Chelan County PUD #1",
    "mwh": 345911.0,
    "org": {
     "id": "org:eia:3413",
     "name": "Chelan County PUD"
    },
    "rec": null,
    "report_year": 2024
   }
  ],
  "source_ref": "wa-fmd-2024-by-plant"
 },
 "emissions": {
  "available": false,
  "generators_monitored": 0,
  "generators_total": 0,
  "history": [],
  "note": "This plant has no coal, gas, oil or waste generator, so it has no combustion unit for EPA to monitor and no CEMS data exists. That is not a claim of zero emissions: the atlas reports only what EPA-monitored units filed.",
  "reason": "not_applicable",
  "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": 15,
    "included": 15,
    "unit": "operating generators"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:6200#nameplate_mw_op@2024",
   "label": "Nameplate capacity, operating generators",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200",
   "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": 514.2
  },
  {
   "basis": "Generator rows for the plant in the inventory year, any status",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:6200#generator_count@2024",
   "label": "Generators listed",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200",
   "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": 19.0
  },
  {
   "basis": "Generator rows with status code OP",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:6200#generator_count_op@2024",
   "label": "Operating generators",
   "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200",
   "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": 15.0
  },
  {
   "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:6200#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=6200",
   "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": 115.19999999999999
  },
  {
   "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": 1,
    "included": 1,
    "unit": "plant x prime-mover x fuel rows"
   },
   "denominator": null,
   "evidence": "reported",
   "fact_id": "plant:eia:6200#net_generation_mwh@2024",
   "label": "Net generation",
   "locator": "out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=6200",
   "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": 2025294.0
  },
  {
   "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": 514.2
   },
   "evidence": "reported",
   "fact_id": "plant:eia:6200#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": 0.44839801017230857
  }
 ],
 "generators": [
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1931-10-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "WAT",
    "fuel_group": "hydro",
    "label": "water"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:A#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=A",
     "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": 1.2
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:A#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=A",
     "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": 1.2
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:A#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=A",
     "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": 1.2
    }
   ],
   "generator_id": "A",
   "id": "generator:eia:6200:A",
   "is_storage": false,
   "operator": {
    "entity_type": "P",
    "entity_type_label": "Political subdivision (e.g. public utility district)",
    "id": "org:eia:3413",
    "name": "Chelan County PUD"
   },
   "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=6200; generator_id=A; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 1.2,
      "owner": {
       "entity_type": "P",
       "entity_type_label": "Political subdivision (e.g. public utility district)",
       "id": "org:eia:3413",
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     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-5",
     "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": 42.0
    }
   ],
   "generator_id": "U-5",
   "id": "generator:eia:6200:U-5",
   "is_storage": false,
   "operator": {
    "entity_type": "P",
    "entity_type_label": "Political subdivision (e.g. public utility district)",
    "id": "org:eia:3413",
    "name": "Chelan County PUD"
   },
   "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=6200; generator_id=U-5; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 51.3,
      "owner": {
       "entity_type": "P",
       "entity_type_label": "Political subdivision (e.g. public utility district)",
       "id": "org:eia:3413",
       "name": "Chelan County PUD"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "HY",
    "label": "hydraulic_turbine"
   },
   "resource_group": "hydro",
   "status": {
    "category": "existing",
    "code": "OA",
    "label": "out_of_service_short_term"
   },
   "storage": null,
   "technology": "Conventional Hydroelectric"
  },
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1978-10-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "WAT",
    "fuel_group": "hydro",
    "label": "water"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-6#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-6",
     "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": 51.3
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-6#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-6",
     "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": 42.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-6#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-6",
     "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": 42.0
    }
   ],
   "generator_id": "U-6",
   "id": "generator:eia:6200:U-6",
   "is_storage": false,
   "operator": {
    "entity_type": "P",
    "entity_type_label": "Political subdivision (e.g. public utility district)",
    "id": "org:eia:3413",
    "name": "Chelan County PUD"
   },
   "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=6200; generator_id=U-6; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 51.3,
      "owner": {
       "entity_type": "P",
       "entity_type_label": "Political subdivision (e.g. public utility district)",
       "id": "org:eia:3413",
       "name": "Chelan County PUD"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "HY",
    "label": "hydraulic_turbine"
   },
   "resource_group": "hydro",
   "status": {
    "category": "existing",
    "code": "OP",
    "label": "operating"
   },
   "storage": null,
   "technology": "Conventional Hydroelectric"
  },
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1978-08-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "WAT",
    "fuel_group": "hydro",
    "label": "water"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-7#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-7",
     "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": 51.3
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-7#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-7",
     "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": 42.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-7#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-7",
     "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": 42.0
    }
   ],
   "generator_id": "U-7",
   "id": "generator:eia:6200:U-7",
   "is_storage": false,
   "operator": {
    "entity_type": "P",
    "entity_type_label": "Political subdivision (e.g. public utility district)",
    "id": "org:eia:3413",
    "name": "Chelan County PUD"
   },
   "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=6200; generator_id=U-7; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 51.3,
      "owner": {
       "entity_type": "P",
       "entity_type_label": "Political subdivision (e.g. public utility district)",
       "id": "org:eia:3413",
       "name": "Chelan County PUD"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "HY",
    "label": "hydraulic_turbine"
   },
   "resource_group": "hydro",
   "status": {
    "category": "existing",
    "code": "OP",
    "label": "operating"
   },
   "storage": null,
   "technology": "Conventional Hydroelectric"
  },
  {
   "dates": {
    "note": "EIA-860 reports month and year; day is a placeholder",
    "operating": "1978-07-01",
    "original_planned_operating": null,
    "planned_operating": null,
    "planned_retirement": null,
    "precision": "month",
    "retirement": null
   },
   "energy_source": {
    "code": "WAT",
    "fuel_group": "hydro",
    "label": "water"
   },
   "facts": [
    {
     "basis": "Generator nameplate capacity as reported on EIA-860",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-8#capacity_mw@2024",
     "label": "Nameplate capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-8",
     "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": 51.3
    },
    {
     "basis": "Reported or source-estimated net summer capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-8#summer_capacity_mw@2024",
     "label": "Net summer capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-8",
     "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": 42.0
    },
    {
     "basis": "Reported or source-estimated net winter capability",
     "coverage": null,
     "denominator": null,
     "evidence": "reported",
     "fact_id": "generator:eia:6200:U-8#winter_capacity_mw@2024",
     "label": "Net winter capacity",
     "locator": "out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=6200; generator_id=U-8",
     "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": 42.0
    }
   ],
   "generator_id": "U-8",
   "id": "generator:eia:6200:U-8",
   "is_storage": false,
   "operator": {
    "entity_type": "P",
    "entity_type_label": "Political subdivision (e.g. public utility district)",
    "id": "org:eia:3413",
    "name": "Chelan County PUD"
   },
   "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=6200; generator_id=U-8; ownership_code=S; rule=eia860_schedule4_default",
      "method": "derived",
      "owned_mw": 51.3,
      "owner": {
       "entity_type": "P",
       "entity_type_label": "Political subdivision (e.g. public utility district)",
       "id": "org:eia:3413",
       "name": "Chelan County PUD"
      },
      "reason": "eia860_schedule4_default",
      "source_ref": "pudl-generators"
     }
    ],
    "unassigned_fraction": 0.0,
    "unassigned_mw": 0.0,
    "unknown_reason": null
   },
   "prime_mover": {
    "code": "HY",
    "label": "hydraulic_turbine"
   },
   "resource_group": "hydro",
   "status": {
    "category": "existing",
    "code": "OP",
    "label": "operating"
   },
   "storage": null,
   "technology": "Conventional Hydroelectric"
  }
 ],
 "id": "plant:eia:6200",
 "interconnection_requests": [],
 "latest": {
  "changed_on": "2026-08-01",
  "changes_since_baseline": [
   {
    "baseline_capacity_mw": 22.5,
    "baseline_status": "OP",
    "change": "status_changed",
    "changed_on": "2026-08-01",
    "generator_id": "B-8",
    "latest_capacity_mw": 22.5,
    "latest_status": "OS",
    "planned_operating_date": null,
    "retirement_date": null
   },
   {
    "baseline_capacity_mw": 22.5,
    "baseline_status": "OA",
    "change": "entered_service",
    "changed_on": "2026-08-01",
    "generator_id": "B-9",
    "latest_capacity_mw": 22.5,
    "latest_status": "OP",
    "planned_operating_date": null,
    "retirement_date": null
   },
   {
    "baseline_capacity_mw": 51.3,
    "baseline_status": "OA",
    "change": "status_changed",
    "changed_on": "2026-08-01",
    "generator_id": "U-5",
    "latest_capacity_mw": 51.3,
    "latest_status": "OS",
    "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": 19,
     "included": 19,
     "unit": "current and historical generators",
     "unknown_current_state": 0
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:6200#latest_nameplate_mw_op",
    "label": "Operating nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6200; report_date=2026-08-01",
    "maturity": "provisional",
    "method": "derived",
    "metric": "latest_nameplate_mw_op",
    "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": 514.2
   },
   {
    "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": 19,
     "included": 19,
     "unit": "current and historical generators"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:6200#latest_nameplate_mw_planned",
    "label": "Planned nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6200; 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": 19,
     "included": 19,
     "unit": "current and historical generators"
    },
    "denominator": null,
    "evidence": "reported",
    "fact_id": "plant:eia:6200#latest_nameplate_mw_retired",
    "label": "Retired or cancelled nameplate capacity, latest inventory",
    "locator": "Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=6200; report_date=2026-08-01",
    "maturity": "provisional",
    "method": "derived",
    "metric": "latest_nameplate_mw_retired",
    "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
   }
  ],
  "historical_units": [],
  "in_baseline": true,
  "last_retirement_date": null,
  "life": "operating",
  "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": 22.5,
   "mw_retired_or_cancelled": null,
   "units_entered_service": 1,
   "units_new_since_baseline": 0,
   "units_retired_or_cancelled": 0
  },
  "units": [
   {
    "capacity_mw": 1.2,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1931-10-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "A",
    "id": "generator:eia:6200:A",
    "in_baseline": true,
    "life": "operating",
    "resource_group": "hydro",
    "status": {
     "category": "existing",
     "code": "OP",
     "label": "operating"
    },
    "technology": "Conventional Hydroelectric"
   },
   {
    "capacity_mw": 20.7,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1931-11-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
     "retirement": null
    },
    "generator_id": "B-1",
    "id": "generator:eia:6200:B-1",
    "in_baseline": true,
    "life": "standby_or_out_of_service",
    "resource_group": "hydro",
    "status": {
     "category": "existing",
     "code": "OS",
     "label": "out_of_service_long_term"
    },
    "technology": "Conventional Hydroelectric"
   },
   {
    "capacity_mw": 22.5,
    "changed_on": "2026-08-01",
    "dates": {
     "operating": "1953-04-01",
     "planned_operating": null,
     "planned_retirement": null,
     "precision": "month",
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     "quality": "valid",
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    },
    {
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     "maturity": "final",
     "period_end": "2020-10-01T00:00:00Z",
     "period_start": "2020-09-01T00:00:00Z",
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    {
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    {
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    {
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    {
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    {
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    {
     "hours": 720,
     "maturity": "final",
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-06-01T00:00:00Z",
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     "quality": "valid",
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-07-01T00:00:00Z",
     "period_start": "2021-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-08-01T00:00:00Z",
     "period_start": "2021-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-09-01T00:00:00Z",
     "period_start": "2021-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-10-01T00:00:00Z",
     "period_start": "2021-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2021-11-01T00:00:00Z",
     "period_start": "2021-10-01T00:00:00Z",
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2021-12-01T00:00:00Z",
     "period_start": "2021-11-01T00:00:00Z",
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-01-01T00:00:00Z",
     "period_start": "2021-12-01T00:00:00Z",
     "quality": "valid",
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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": 1,
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    },
    {
     "hours": 672,
     "maturity": "final",
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    {
     "hours": 744,
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    {
     "hours": 720,
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-06-01T00:00:00Z",
     "period_start": "2022-05-01T00:00:00Z",
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-07-01T00:00:00Z",
     "period_start": "2022-06-01T00:00:00Z",
     "quality": "valid",
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-08-01T00:00:00Z",
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2022-09-01T00:00:00Z",
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    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2022-10-01T00:00:00Z",
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    {
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    {
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     "maturity": "final",
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    {
     "hours": 744,
     "maturity": "final",
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    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-02-01T00:00:00Z",
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    {
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    {
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     "quality": "valid",
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-05-01T00:00:00Z",
     "period_start": "2023-04-01T00:00:00Z",
     "quality": "valid",
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-06-01T00:00:00Z",
     "period_start": "2023-05-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-07-01T00:00:00Z",
     "period_start": "2023-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-08-01T00:00:00Z",
     "period_start": "2023-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-09-01T00:00:00Z",
     "period_start": "2023-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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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": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2023-11-01T00:00:00Z",
     "period_start": "2023-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2023-12-01T00:00:00Z",
     "period_start": "2023-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-01-01T00:00:00Z",
     "period_start": "2023-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-02-01T00:00:00Z",
     "period_start": "2024-01-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 696,
     "maturity": "final",
     "period_end": "2024-03-01T00:00:00Z",
     "period_start": "2024-02-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
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    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-04-01T00:00:00Z",
     "period_start": "2024-03-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 153353.0
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-05-01T00:00:00Z",
     "period_start": "2024-04-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 149331.0
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-06-01T00:00:00Z",
     "period_start": "2024-05-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 192505.0
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-07-01T00:00:00Z",
     "period_start": "2024-06-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 195165.0
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-08-01T00:00:00Z",
     "period_start": "2024-07-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 187777.0
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-09-01T00:00:00Z",
     "period_start": "2024-08-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 183215.0
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-10-01T00:00:00Z",
     "period_start": "2024-09-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 127395.0
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2024-11-01T00:00:00Z",
     "period_start": "2024-10-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 130845.0
    },
    {
     "hours": 720,
     "maturity": "final",
     "period_end": "2024-12-01T00:00:00Z",
     "period_start": "2024-11-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 191567.0
    },
    {
     "hours": 744,
     "maturity": "final",
     "period_end": "2025-01-01T00:00:00Z",
     "period_start": "2024-12-01T00:00:00Z",
     "quality": "valid",
     "rows": 1,
     "value": 214322.0
    }
   ],
   "years_eligible": [
    2015,
    2016,
    2017,
    2018,
    2019,
    2020,
    2021,
    2022,
    2023,
    2024
   ],
   "years_excluded": []
  },
  "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": 15,
    "owned_mw": 514.2,
    "owner": {
     "entity_type": "P",
     "entity_type_label": "Political subdivision (e.g. public utility district)",
     "id": "org:eia:3413",
     "name": "Chelan County PUD"
    }
   }
  ],
  "unassigned_mw": 0.0,
  "unknown_coverage": {
   "eligible": 0,
   "included": 0,
   "unit": "native rows"
  },
  "unknown_mw": 0.0
 },
 "release_id": "20260929T050546Z-51ae0f7d3c78",
 "reporting": {
  "ba": {
   "code": "CHPD",
   "id": "ba:eia:CHPD",
   "name": "Chelan County PUD"
  },
  "ba_code_source": "CHPD",
  "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": "hydro",
 "schema_version": "1.41.0",
 "source_name": "Rock Island",
 "sources": [
  "curated-aliases",
  "ornl-eha-2026",
  "ornl-hilarri-v4",
  "pudl-generators",
  "pudl-output",
  "pudl-ownership",
  "pudl-plants",
  "usace-nid"
 ],
 "storage": null,
 "type": "plant",
 "updated_reason": null,
 "water": null
}