{"columns":[{"name":"code","type":"string"},{"name":"label","type":"string"},{"name":"description","type":"string"},{"name":"balancing_authority_region_code_eia","type":"dictionary<values=string, indices=int32, ordered=0>"},{"name":"balancing_authority_region_name_eia","type":"string"},{"name":"report_timezone","type":"dictionary<values=string, indices=int32, ordered=0>"},{"name":"balancing_authority_retirement_date","type":"date32[day]"},{"name":"is_generation_only","type":"bool"},{"name":"interconnect_code_eia","type":"dictionary<values=string, indices=int32, ordered=0>"}],"n_rows":100,"rows_kept":100,"cut":false,"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":"code","type":"string","nullable":false,"metadata":[["description","Originally reported short code."]],"children":null},{"name":"label","type":"string","nullable":true,"metadata":[["description","Longer human-readable code using snake_case"]],"children":null},{"name":"description","type":"string","nullable":true,"metadata":[["description","Long human-readable description of the meaning of a code/label."]],"children":null},{"name":"balancing_authority_region_code_eia","type":"dictionary<values=string, indices=int32, ordered=0>","nullable":true,"metadata":[["description","EIA balancing authority region code."]],"children":null},{"name":"balancing_authority_region_name_eia","type":"string","nullable":true,"metadata":[["description","Human-readable name of the EIA balancing region."]],"children":null},{"name":"report_timezone","type":"dictionary<values=string, indices=int32, ordered=0>","nullable":true,"metadata":[["description","Timezone used by the reporting entity. For use in localizing UTC times."]],"children":null},{"name":"balancing_authority_retirement_date","type":"date32[day]","nullable":true,"metadata":[["description","Date on which the balancing authority ceased independent operation."]],"children":null},{"name":"is_generation_only","type":"bool","nullable":true,"metadata":[["description","Indicates whether the balancing authority is generation-only, meaning it does not serve retail customers and thus reports only net generation and interchange, but not demand."]],"children":null},{"name":"interconnect_code_eia","type":"dictionary<values=string, indices=int32, ordered=0>","nullable":true,"metadata":[["description","EIA interconnect code."]],"children":null}],"parquet":"required group field_id=-1 schema {\n  required binary field_id=-1 code (String);\n  optional binary field_id=-1 label (String);\n  optional binary field_id=-1 description (String);\n  optional binary field_id=-1 balancing_authority_region_code_eia (String);\n  optional binary field_id=-1 balancing_authority_region_name_eia (String);\n  optional binary field_id=-1 report_timezone (String);\n  optional int32 field_id=-1 balancing_authority_retirement_date (Date);\n  optional boolean field_id=-1 is_generation_only;\n  optional binary field_id=-1 interconnect_code_eia (String);\n}\n"},"kv_metadata":[["pandas","{\"index_columns\": [], \"column_indexes\": [], \"columns\": [{\"name\": \"code\", \"field_name\": \"code\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"label\", \"field_name\": \"label\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"description\", \"field_name\": \"description\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"balancing_authority_region_code_eia\", \"field_name\": \"balancing_authority_region_code_eia\", \"pandas_type\": \"categorical\", \"numpy_type\": \"int8\", \"metadata\": {\"num_categories\": 15, \"ordered\": false}}, {\"name\": \"balancing_authority_region_name_eia\", \"field_name\": \"balancing_authority_region_name_eia\", \"pandas_type\": \"unicode\", \"numpy_type\": \"string\", \"metadata\": null}, {\"name\": \"report_timezone\", \"field_name\": \"report_timezone\", \"pandas_type\": \"categorical\", \"numpy_type\": \"int8\", \"metadata\": {\"num_categories\": 7, \"ordered\": false}}, {\"name\": \"balancing_authority_retirement_date\", \"field_name\": \"balancing_authority_retirement_date\", \"pandas_type\": \"date\", \"numpy_type\": \"datetime64[s]\", \"metadata\": null}, {\"name\": \"is_generation_only\", \"field_name\": \"is_generation_only\", \"pandas_type\": \"bool\", \"numpy_type\": \"boolean\", \"metadata\": null}, {\"name\": \"interconnect_code_eia\", \"field_name\": \"interconnect_code_eia\", \"pandas_type\": \"categorical\", \"numpy_type\": \"int8\", \"metadata\": {\"num_categories\": 3, \"ordered\": false}}], \"attributes\": {}, \"creator\": {\"library\": \"pyarrow\", \"version\": \"23.0.1\"}, \"pandas_version\": \"2.3.3\"}"],["primary_key","code"],["ARROW:schema",{"$cut":{"chars":5024,"head":""}}],["description","Code table containing descriptions of categorical codes for balancing authorities in EIA 860, EIA 923, and EIA 930.\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  EIA -- Mix of multiple EIA Forms\n\nPrimary key:\n  code"]]}
["AEC","power_south_coop","PowerSouth Energy Cooperative","SE","Southeast","America/Chicago","2021-09-01",false,"eastern"]
["AESO","alberta_electric_system_operator","Alberta Electric System Operator","CAN","Canada",null,null,false,null]
["AECI","associated_electric_coop","Associated Electric Cooperative, Inc.","MIDW","Midwest","America/Chicago",null,false,"eastern"]
["AVA","avista","Avista Corporation","NW","Northwest","America/Los_Angeles",null,false,"western"]
["AVRN","avangrid","Avangrid Renewables LLC","NW","Northwest","America/Los_Angeles",null,true,null]
["AZPS","arizona_public_service","Arizona Public Service Company","SW","Southwest","America/Phoenix",null,false,"western"]
["BANC","northern_california","Balancing Authority of Northern California","CAL","California","America/Los_Angeles",null,false,"western"]
["BCHA","bc_hydro","British Columbia Hydro and Power Authority","CAN","Canada",null,null,false,null]
["BHBA","black_hills_energy","Black Hills Energy","NW","Northwest","America/Denver",null,false,"western"]
["BPAT","bonneville_power","Bonneville Power Administration","NW","Northwest","America/Los_Angeles",null,false,"western"]
["CHPD","public_utility_district_of_chelan_county","Public Utility District No. 1 of Chelan County","NW","Northwest","America/Los_Angeles",null,false,"western"]
["CISO","california_iso","California Independent System Operator","CAL","California","America/Los_Angeles",null,false,"western"]
["CEA","chugach_electric","Chugach Electric Assn Inc",null,null,"America/Anchorage",null,null,null]
["CEN","centro_nacional_de_control_de_energia","Centro Nacional de Control de Energia","MEX","Mexico",null,null,false,null]
["CFE","comision_federal_de_electricidad","Comisión Federal de Electricidad","MEX","Mexico",null,"2018-07-01",false,null]
["CPLE","duke_energy_progress_east","Duke Energy Progress East","CAR","Carolinas","America/New_York",null,false,"eastern"]
["CPLW","duke_energy_progress_west","Duke Energy Progress West","CAR","Carolinas","America/New_York",null,false,"eastern"]
["CSTO","constellation","Constellation Energy Control and Dispatch, LLC",null,null,null,null,false,null]
["CSWS","public_service_company_of_oklahoma_and_southwestern_electric","American Electric Power Service Corp. As Agent For Public Svc. Co. Of Oklahoma & SW Ele Pwr Co.",null,null,null,null,false,null]
["DEAA","arlington_valley","Arlington Valley, LLC - AVBA","SW","Southwest","America/Phoenix",null,true,"western"]
["DOPD","public_utility_of_douglas_county","PUD No. 1 of Douglas County","NW","Northwest","America/Los_Angeles",null,false,"western"]
["DUK","duke_energy_carolinas","Duke Energy Carolinas","CAR","Carolinas","America/New_York",null,false,"eastern"]
["EDE","empire_district","The Empire District Electric Company",null,null,null,null,false,null]
["EEI","electric_energy","Electric Energy, Inc.","MIDW","Midwest","America/Chicago","2020-02-29",false,"eastern"]
["EPE","el_paso_electric","El Paso Electric Company","SW","Southwest","America/Phoenix",null,false,"western"]
["ERCO","electric_reliability_council_of_texas","Electric Reliability Council of Texas, Inc.","TEX","Texas","America/Chicago",null,false,"ercot"]
["FMPP","florida_municipal_power_pool","Florida Municipal Power Pool","FLA","Florida","America/New_York",null,false,"eastern"]
["FPC","progress_energy_florida","Progress Energy Florida","FLA","Florida","America/New_York",null,false,"eastern"]
["FPL","florida_power_and_light","Florida Power & Light Company","FLA","Florida","America/New_York",null,false,"eastern"]
["GCPD","public_utility_grant_county","Public Utility District No. 2 of Grant County, Washington","NW","Northwest","America/Los_Angeles",null,false,"western"]
["GLHB","gridliance","GridLiance (GLHB)","MIDW","Midwest","America/Chicago","2022-09-01",true,null]
["GRDA","grand_river_dam","Grand River Dam Authority",null,null,null,null,false,null]
["GRID","gridforce_energy_management","Gridforce Energy Management, LLC",null,"Pacific Northwest","America/Los_Angeles",null,true,"western"]
["GRIF","griffith_energy","Griffith Energy, LLC","SW","Southwest","America/Phoenix","2023-11-01",true,"western"]
["GRIS","gridforce_south","Gridforce South",null,null,null,null,false,null]
["GRMA","gila_river_power","Gila River Power, LLC","SW","Southwest","America/Phoenix","2018-05-03",true,"western"]
["GVL","gainesville_regional","Gainesville Regional Utilities","FLA","Florida","America/New_York",null,false,"eastern"]
["GWA","naturener_power_watch","NaturEner Power Watch, LLC (GWA)","NW","Northwest","America/Denver",null,true,"western"]
["HECO","hawaiian_electric","Hawaiian Electric Co Inc",null,null,null,null,false,null]
["HGMA","new_harquahala","New Harquahala Generating Company, LLC - HGBA","SW","Southwest","America/Phoenix",null,true,"western"]
["HQT","hydro_quebec","Hydro-Québec TransEnergie","CAN","Canada",null,null,false,null]
["HST","city_of_homestead","City of Homestead","FLA","Florida","America/New_York",null,false,"eastern"]
["IESO","ontario_ieso","Ontario Independent Electric System Operator","CAN","Canada",null,null,false,null]
["IID","imperial_irrigation","Imperial Irrigation District","CAL","California","America/Los_Angeles",null,false,"western"]
["INDN","independence_power_and_light","Independence Power & Light (Independence,Missouri)",null,null,null,null,false,null]
["IPCO","idaho_power","Idaho Power Company","NW","Northwest","America/Los_Angeles",null,false,"western"]
["ISNE","iso_new_england","ISO New England Inc.","NE","New England","America/New_York",null,false,"eastern"]
["JEA","jacksonville_energy","Jacksonville Energy","FLA","Florida","America/New_York",null,false,"eastern"]
["KACY","kansas_city","Board Of Public Utilities (Kansas City KS)",null,null,null,null,false,null]
["KCPL","kansas_city_power_and_light","Kansas City Power & Light Company",null,null,null,null,false,null]
["LDWP","los_angeles_dept_of_water_and_power","Los Angeles Department of Water and Power","CAL","California","America/Los_Angeles",null,false,"western"]
["LES","lincoln_electric","Lincoln Electric System",null,null,null,null,false,null]
["LGEE","louisville_gas_and_electric_and_kentucky","LG&E and KU Services Company as agent for Louisville Gas and Electric Company and Kentucky Utilities","MIDW","Midwest","America/New_York",null,false,"eastern"]
["MHEB","manitoba_hydro","Manitoba Hydro","CAN","Canada",null,null,false,null]
["MISO","midcontinent_iso","Midcontinent Independent Transmission System Operator, Inc..","MIDW","Midwest","America/New_York",null,false,"eastern"]
["MPS","kansas_city_power_and_light_missouri","KCPL - Greater Missouri Operations",null,null,null,null,false,null]
["NBSO","new_brunswick_system_operator","New Brunswick System Operator","CAN","Canada",null,null,false,null]
["NEVP","nevada_power","Nevada Power Company","NW","Northwest","America/Los_Angeles",null,false,"western"]
["NPPD","nebraska_public_power","Nebraska Public Power District",null,null,null,null,false,null]
["NSB","new_smyrna_beach","New Smyrna Beach, Utilities Commission of","FLA","Florida","America/New_York","2020-01-08",false,"eastern"]
["NWMT","northwestern_energy","NorthWestern Energy (NWMT)","NW","Northwest","America/Denver",null,false,"western"]
["NYIS","new_york_iso","New York Independent System Operator","NY","New York","America/New_York",null,false,"eastern"]
["OKGE","oklahoma_gas_and_electric","Oklahoma Gas And Electric Co.",null,null,null,null,false,null]
["OPPD","omaha_public_power","Omaha Public Power District",null,null,null,null,false,null]
["OVEC","ohio_valley","Ohio Valley Electric Corporation","MIDA","Mid-Atlantic","America/New_York","2018-12-01",false,"eastern"]
["PACE","pacificorp_east","PacifiCorp - East","NW","Northwest","America/Denver",null,false,"western"]
["PACW","pacificorp_west","PacifiCorp - West","NW","Northwest","America/Los_Angeles",null,false,"western"]
["PGE","portland_general_electric","Portland General Electric Company","NW","Northwest","America/Los_Angeles",null,false,"western"]
["PJM","pjm_interconnection","PJM Interconnection, LLC","MIDA","Mid-Atlantic","America/New_York",null,false,"eastern"]
["PNM","public_service_company_of_new_mexico","Public Service Company of New Mexico","SW","Southwest","America/Phoenix",null,false,"western"]
["PSCO","public_service_company_of_colorado","Public Service Company of Colorado","NW","Northwest","America/Denver",null,false,"western"]
["PSEI","pugent_sound_energy","Puget Sound Energy","NW","Northwest","America/Los_Angeles",null,false,"western"]
["SC","south_carolina_public_service","South Carolina Public Service Authority","CAR","Carolinas","America/New_York",null,false,"eastern"]
["SCEG","south_carolina_electric_and_gas","South Carolina Electric & Gas Company","CAR","Carolinas","America/New_York",null,false,"eastern"]
["SCL","seattle_city_light","Seattle City Light","NW","Northwest","America/Los_Angeles",null,false,"western"]
["SEC","seminole_electric_coop","Seminole Electric Cooperative","FLA","Florida","America/New_York",null,false,"eastern"]
["SECI","sunflower_electric_power","Sunflower Electric Power Corporation",null,null,null,null,false,null]
["SEPA","southeastern_power","Southeastern Power Administration","SE","Southeast","America/Chicago",null,true,"eastern"]
["SOCO","southern_company_services","Southern Company Services, Inc. - Trans","SE","Southeast","America/Chicago",null,false,"eastern"]
["SPA","southwestern_power","Southwestern Power Administration","CENT","Central","America/Chicago",null,false,"eastern"]
["SPC","saskatchewan_power_corporation","Saskatchewan Power Corporation","CAN","Canada",null,null,false,null]
["SPRM","city_utilities_of_springfield","City Utilities Of Springfield, MO",null,null,null,null,false,null]
["SPS","southwestern_public_service","Southwestern Public Service Co. (Xcel Energy)",null,null,null,null,false,null]
["SRP","salt_river_project","Salt River Project","SW","Southwest","America/Phoenix",null,false,"western"]
["SWPP","southwest_power_pool","Southwest Power Pool","CENT","Central","America/Chicago",null,false,"eastern"]
["SWPW","southwest_power_pool_west","Southwest Power Pool West","NW","Northwest","America/Denver",null,false,"western"]
["TAL","city_of_tallahassee","City of Tallahassee","FLA","Florida","America/New_York",null,false,"eastern"]
["TEC","tampa_electric","Tampa Electric Company","FLA","Florida","America/New_York",null,false,"eastern"]
["TEPC","tuscon_electric_power","Tucson Electric Power Company","SW","Southwest","America/Phoenix",null,false,"western"]
["TIDC","turlock_irrigation_district","Turlock Irrigation District","CAL","California","America/Los_Angeles",null,false,"western"]
["TPWR","city_of_tacoma","City of Tacoma, Department of Public Utilities, Light Division","NW","Northwest","America/Los_Angeles",null,false,"western"]
["TVA","tennessee_valley_authority","Tennessee Valley Authority","TEN","Tennessee","America/Chicago",null,false,"eastern"]
["WACM","western_area_power_mountain","Western Area Power Administration - Rocky Mountain Region","NW","Northwest","America/Phoenix","2026-04-01",false,"western"]
["WALC","western_area_power_southwest","Western Area Power Administration - Desert Southwest Region","SW","Southwest","America/Phoenix",null,false,"western"]
["WAUE","western_area_power_east","Western Area Power Administration - Upper Great Plains East",null,null,null,null,false,null]
["WAUW","western_area_power_west","Western Area Power Administration UGP West","NW","Northwest","America/Denver","2026-04-01",false,"western"]
["WFEC","western_farmers_electric_coop","Western Farmers Electric Cooperative",null,null,null,null,false,null]
["WR","westar_energy","Westar Energy",null,null,null,null,false,null]
["WWA","naturener_wind","NaturEner Wind Watch, LLC","NW","Northwest","America/Denver",null,true,"western"]
["YAD","alcoa_power_yadkin","Alcoa Power Generating, Inc. - Yadkin Division","CAR","Carolinas","America/New_York",null,true,"eastern"]