{"columns":[{"name":"record_id","type":"string"},{"name":"utility_id_ferc1","type":"int32"},{"name":"report_year","type":"int32"},{"name":"utility_type","type":"string"},{"name":"income_type","type":"string"},{"name":"dollar_value","type":"float"},{"name":"balance","type":"string"},{"name":"ferc_account","type":"string"},{"name":"row_type_xbrl","type":"dictionary<values=string, indices=int32, ordered=0>"}],"n_rows":374418,"rows_kept":4500,"cut":true,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":0,"cells_binary_text":0,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"parquet-cpp-arrow version 23.0.1","schema":{"fields":[{"name":"record_id","type":"string","nullable":true,"metadata":[["description","Identifier indicating original FERC Form 1 source record. format: {table_name}_{report_year}_{report_prd}_{respondent_id}_{spplmnt_num}_{row_number}. Unique within FERC Form 1 DB tables which are not row-mapped."]],"children":null},{"name":"utility_id_ferc1","type":"int32","nullable":false,"metadata":[["description","PUDL-assigned utility ID, identifying a FERC1 utility. This is an auto-incremented ID and is not expected to be stable from year to year."]],"children":null},{"name":"report_year","type":"int32","nullable":false,"metadata":[["description","Four-digit year in which the data was reported."]],"children":null},{"name":"utility_type","type":"string","nullable":false,"metadata":[["description","Listing of utility plant types. Examples include Electric Utility, Gas Utility, and Other Utility."]],"children":null},{"name":"income_type","type":"string","nullable":false,"metadata":[["description","Type of income reported in core_ferc1__yearly_income_statements_sched114 table."]],"children":null},{"name":"dollar_value","type":"float","nullable":true,"metadata":[["description","Dollar value of reported income, expense, asset, or liability."]],"children":null},{"name":"balance","type":"string","nullable":true,"metadata":[["description","Indication of whether a column is a credit or debit, as reported in the XBRL taxonomy."]],"children":null},{"name":"ferc_account","type":"string","nullable":true,"metadata":[["description","Actual FERC Account number (e.g. '359.1') if available, or a PUDL assigned ID when FERC accounts have been split or combined in reporting."]],"children":null},{"name":"row_type_xbrl","type":"dictionary<values=string, indices=int32, ordered=0>","nullable":true,"metadata":[["description","Indicates whether the value reported in the row is calculated, or uniquely reported within the table."]],"children":null}],"parquet":"required group field_id=-1 schema {\n  optional binary field_id=-1 record_id (String);\n  required int32 field_id=-1 utility_id_ferc1;\n  required int32 field_id=-1 report_year;\n  required binary field_id=-1 utility_type (String);\n  required binary field_id=-1 income_type (String);\n  optional float field_id=-1 dollar_value;\n  optional binary field_id=-1 balance (String);\n  optional binary field_id=-1 ferc_account (String);\n  optional binary field_id=-1 row_type_xbrl (String);\n}\n"},"kv_metadata":[["pandas","{\"index_columns\": [], \"column_indexes\": [], \"columns\": [{\"name\": \"record_id\", \"field_name\": \"record_id\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"utility_id_ferc1\", \"field_name\": \"utility_id_ferc1\", \"pandas_type\": \"int32\", \"numpy_type\": \"Int64\", \"metadata\": null}, {\"name\": \"report_year\", \"field_name\": \"report_year\", \"pandas_type\": \"int32\", \"numpy_type\": \"Int64\", \"metadata\": null}, {\"name\": \"utility_type\", \"field_name\": \"utility_type\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"income_type\", \"field_name\": \"income_type\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"dollar_value\", \"field_name\": \"dollar_value\", \"pandas_type\": \"float32\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"balance\", \"field_name\": \"balance\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"ferc_account\", \"field_name\": \"ferc_account\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"row_type_xbrl\", \"field_name\": \"row_type_xbrl\", \"pandas_type\": \"categorical\", \"numpy_type\": \"int8\", \"metadata\": {\"num_categories\": 4, \"ordered\": false}}], \"attributes\": {}, \"creator\": {\"library\": \"pyarrow\", \"version\": \"23.0.1\"}, \"pandas_version\": \"2.3.3\"}"],["primary_key","utility_id_ferc1,report_year,utility_type,income_type"],["ARROW:schema",{"$cut":{"chars":5688,"head":""}}],["description","Annual time series of utility income statements.\n\n\nMost-recent data:\n  2025\n\n\nProcessing:\n  Data has been cleaned and organized into well-modeled tables that serve as building blocks for downstream wide tables and analyses.\n\nSource:\n  FERC Form 1 -- Annual Report of Major Electric Utilities (Schedule 114)\n\nPrimary key:\n  utility_id_ferc1, report_year, utility_type, income_type\n\n\nUsage Warnings\n^^^^^^^^^^^^^^\n\n\n* Some columns contain subtotals; use caution when choosing columns to aggregate.\n\n* FERC data is notoriously difficult to extract cleanly, and often contains free-form strings, non-labeled total rows and lack of IDs. See `Notable Irregularities <https://docs.catalyst.coop/pudl/en/latest/data_sources/ferc1.html#notable-irregularities>`_ for details."]]}
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["f1_income_stmnt_2006_12_20_0_24",6,2006,"electric","accretion_expense",229968.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2007_12_20_0_24",6,2007,"electric","accretion_expense",570754.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2008_12_20_0_24",6,2008,"electric","accretion_expense",1143582.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_20_0_24",6,2009,"electric","accretion_expense",957237.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2004_12_156_0_24",35,2004,"electric","accretion_expense",247451.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2003_12_221_0_24",58,2003,"electric","accretion_expense",420737.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2004_12_221_0_24",58,2004,"electric","accretion_expense",454397.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2006_12_275_0_24",92,2006,"electric","accretion_expense",112112.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2007_12_275_0_24",92,2007,"electric","accretion_expense",121832.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2008_12_275_0_24",92,2008,"electric","accretion_expense",124284.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_275_0_24",92,2009,"electric","accretion_expense",129542.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2010_12_275_0_24",92,2010,"electric","accretion_expense",132796.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2015_12_275_0_24",92,2015,"electric","accretion_expense",375314.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2016_12_275_0_24",92,2016,"electric","accretion_expense",389203.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2017_12_275_0_24",92,2017,"electric","accretion_expense",707963.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2006_12_291_0_24",100,2006,"electric","accretion_expense",44031.0,"debit","411.10","reported_value"]
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["statement_of_income_114_2022_c000041_fercelectricutilitymember",155,2022,"electric","accretion_expense",0.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2013_12_294_0_24",156,2013,"electric","accretion_expense",66222.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2014_12_294_0_24",156,2014,"electric","accretion_expense",37098.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2015_12_294_0_24",156,2015,"electric","accretion_expense",39091.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2016_12_294_0_24",156,2016,"electric","accretion_expense",320440.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2017_12_294_0_24",156,2017,"electric","accretion_expense",91748.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2018_12_294_0_24",156,2018,"electric","accretion_expense",156020.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2019_12_294_0_24",156,2019,"electric","accretion_expense",144395.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2020_12_294_0_24",156,2020,"electric","accretion_expense",150875.0,"debit","411.10","reported_value"]
["statement_of_income_114_2021_c000045_fercelectricutilitymember",156,2021,"electric","accretion_expense",235875.0,"debit","411.10","reported_value"]
["statement_of_income_114_2022_c000045_fercelectricutilitymember",156,2022,"electric","accretion_expense",213968.0,"debit","411.10","reported_value"]
["statement_of_income_114_2023_c000045_fercelectricutilitymember",156,2023,"electric","accretion_expense",187510.0,"debit","411.10","reported_value"]
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["statement_of_income_114_2025_c000116_fercelectricutilitymember",157,2025,"electric","accretion_expense",-5716226.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2006_12_11_0_24",158,2006,"electric","accretion_expense",23483.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2007_12_11_0_24",158,2007,"electric","accretion_expense",25496.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2008_12_11_0_24",158,2008,"electric","accretion_expense",27682.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_11_0_24",158,2009,"electric","accretion_expense",30055.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2010_12_11_0_24",158,2010,"electric","accretion_expense",32650.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2011_12_11_0_24",158,2011,"electric","accretion_expense",1032.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2012_12_11_0_24",158,2012,"electric","accretion_expense",1113.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2013_12_11_0_24",158,2013,"electric","accretion_expense",1199.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2014_12_11_0_24",158,2014,"electric","accretion_expense",1104.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2015_12_11_0_24",158,2015,"electric","accretion_expense",1184.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2016_12_11_0_24",158,2016,"electric","accretion_expense",1276.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2003_12_17_0_24",160,2003,"electric","accretion_expense",52043070.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2004_12_17_0_24",160,2004,"electric","accretion_expense",55122400.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2005_12_17_0_24",160,2005,"electric","accretion_expense",51013550.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2006_12_17_0_24",160,2006,"electric","accretion_expense",56268052.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2007_12_17_0_24",160,2007,"electric","accretion_expense",58671560.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2008_12_17_0_24",160,2008,"electric","accretion_expense",62093452.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_17_0_24",160,2009,"electric","accretion_expense",65393908.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2010_12_17_0_24",160,2010,"electric","accretion_expense",46902828.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2011_12_17_0_24",160,2011,"electric","accretion_expense",49765960.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2012_12_17_0_24",160,2012,"electric","accretion_expense",64432624.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2013_12_17_0_24",160,2013,"electric","accretion_expense",80280600.0,"debit","411.10","reported_value"]
["statement_of_income_114_2021_c000135_fercelectricutilitymember",160,2021,"electric","accretion_expense",272491.0,"debit","411.10","reported_value"]
["statement_of_income_114_2022_c000135_fercelectricutilitymember",160,2022,"electric","accretion_expense",810225.0,"debit","411.10","reported_value"]
["statement_of_income_114_2023_c000135_fercelectricutilitymember",160,2023,"electric","accretion_expense",787492.0,"debit","411.10","reported_value"]
["statement_of_income_114_2024_c000135_fercelectricutilitymember",160,2024,"electric","accretion_expense",867479.0,"debit","411.10","reported_value"]
["statement_of_income_114_2025_c000135_fercelectricutilitymember",160,2025,"electric","accretion_expense",956669.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2003_12_55_0_24",161,2003,"electric","accretion_expense",16472558.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2004_12_55_0_24",161,2004,"electric","accretion_expense",17368664.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2005_12_55_0_24",161,2005,"electric","accretion_expense",14728420.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2006_12_55_0_24",161,2006,"electric","accretion_expense",15499640.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2007_12_55_0_24",161,2007,"electric","accretion_expense",16329546.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2008_12_55_0_24",161,2008,"electric","accretion_expense",17222582.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_55_0_24",161,2009,"electric","accretion_expense",18381828.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2010_12_55_0_24",161,2010,"electric","accretion_expense",19334752.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2011_12_55_0_24",161,2011,"electric","accretion_expense",18317624.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2012_12_55_0_24",161,2012,"electric","accretion_expense",21862826.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2013_12_55_0_24",161,2013,"electric","accretion_expense",32659240.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2015_12_55_0_24",161,2015,"electric","accretion_expense",349615.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2016_12_55_0_24",161,2016,"electric","accretion_expense",2233346.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2017_12_55_0_24",161,2017,"electric","accretion_expense",2515484.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2018_12_55_0_24",161,2018,"electric","accretion_expense",2195637.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2019_12_55_0_24",161,2019,"electric","accretion_expense",1817002.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2020_12_55_0_24",161,2020,"electric","accretion_expense",1649303.0,"debit","411.10","reported_value"]
["statement_of_income_114_2021_c000136_fercelectricutilitymember",161,2021,"electric","accretion_expense",1228487.0,"debit","411.10","reported_value"]
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["statement_of_income_114_2023_c000136_fercelectricutilitymember",161,2023,"electric","accretion_expense",671275.0,"debit","411.10","reported_value"]
["statement_of_income_114_2024_c000136_fercelectricutilitymember",161,2024,"electric","accretion_expense",378863.0,"debit","411.10","reported_value"]
["statement_of_income_114_2025_c000136_fercelectricutilitymember",161,2025,"electric","accretion_expense",185712.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2003_12_150_0_24",162,2003,"electric","accretion_expense",61373.0,"debit","411.10","reported_value"]
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["f1_income_stmnt_2008_12_150_0_24",162,2008,"electric","accretion_expense",968947.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2009_12_150_0_24",162,2009,"electric","accretion_expense",945434.0,"debit","411.10","reported_value"]
["f1_income_stmnt_2010_12_150_0_24",162,2010,"electric","accretion_expense",1029379.0,"debit","411.10","reported_value"]
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