[{"id":"acs1_2024","publisher":"Census Bureau","dataset":"American Community Survey 2024 1-year estimates","table":"B25132","period":"2024","released":"2025-09-11","url":"https://data.census.gov/table/ACSDT1Y2024.B25132","licence":"Public domain (Census Bureau)"},{"id":"acs1_2025","publisher":"Census Bureau","dataset":"American Community Survey 2025 1-year estimates","table":"B25132","period":"2025","released":"2026-10-29","url":"https://data.census.gov/table/ACSDT1Y2025.B25132","licence":"Public domain (Census Bureau); this product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau"},{"id":"acs1_2025_heat","publisher":"Census Bureau","dataset":"American Community Survey 2025 1-year estimates, house heating fuel","table":"B25040","period":"2025","released":"2026-10-29","url":"https://data.census.gov/table/ACSDT1Y2025.B25040","licence":"Public domain (Census Bureau)"},{"id":"bls_ap","publisher":"BLS","dataset":"CPI average price data, electricity per kWh (APU…72610)","table":"Average price","period":"through October 2026 (October 2025 not collected); city and division series discontinued after December 2024","released":"2026-11-10","url":"https://www.bls.gov/cpi/data.htm","licence":"U.S. government work, public domain; cite BLS"},{"id":"bls_cpi","publisher":"BLS","dataset":"Consumer Price Index, electricity (SEHF01) and all items","table":"CPI-U","period":"through October 2026","released":"2026-11-10","url":"https://www.bls.gov/cpi/","licence":"U.S. government work, public domain; cite BLS"},{"id":"cb2025:county","publisher":"Census Bureau","dataset":"Cartographic boundary file, counties (5 million scale; Connecticut from the 2021 file, with the eight counties EIA still uses)","table":"cb_2025_us_county_5m; cb_2021_us_county_5m","period":"2025 (2021 for Connecticut)","released":"2025","url":"https://www.census.gov/geographies/mapping-files/time-series/geo/cartographic-boundary.html","licence":"Public domain"},{"id":"cb2025:state20m","publisher":"Census Bureau","dataset":"Cartographic boundary file, states (20 million scale)","table":"cb_2025_us_state_20m","period":"2025","released":"2025","url":"https://www.census.gov/geographies/mapping-files/time-series/geo/cartographic-boundary.html","licence":"Public domain"},{"id":"eia_861","publisher":"EIA","dataset":"EIA-861 annual electric power industry report, 2025 final","table":"Sales_Ult_Cust_2025","period":"2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861_2024","publisher":"EIA","dataset":"EIA-861 annual electric power industry report, 2024 final","table":"Sales_Ult_Cust_2024","period":"2024, final (file updated December 3, 2025)","released":"2025-12-03","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861_bill","publisher":"EIA","dataset":"EIA-861 2025, average monthly bill by state","table":"Average_Bill_2025","period":"2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861_meters","publisher":"EIA","dataset":"EIA-861 2025, advanced meters, dynamic pricing and net metering","table":"Advanced_Meters, Dynamic_Pricing, Net_Metering 2025","period":"2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861_rel","publisher":"EIA","dataset":"EIA-861 2025, reliability (SAIDI and SAIFI)","table":"Reliability_2025","period":"2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861_terr","publisher":"EIA","dataset":"EIA-861 2025, service territory (utility by county)","table":"Service_Territory_2025","period":"2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/eia861/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861m","publisher":"EIA","dataset":"Electric Power Monthly / EIA-861M sales and revenue by state","table":"sales_revenue.xlsx (EPM Table 5.6.A)","period":"January 2001 to 2026-08; months since January 2026 preliminary","released":"2026-10-23","url":"https://www.eia.gov/electricity/data/eia861m/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_861m_util","publisher":"EIA","dataset":"EIA-861M monthly sales and revenue by utility","table":"sales_ult_cust_2025 and _2026","period":"January 2025 to 2026-08; 2026 preliminary; a monthly sample of large utilities","released":"2026-10-23","url":"https://www.eia.gov/electricity/data/eia861m/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_cap","publisher":"EIA","dataset":"Existing nameplate and net summer capacity by state (EIA-860)","table":"existcapacity_annual.xlsx","period":"2025","released":"2026-09-10","url":"https://www.eia.gov/electricity/data/state/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_epm","publisher":"EIA","dataset":"Electric Power Monthly, Tables 5.6.A and 5.6.B","table":"5.6.A","period":"2026-08 (preliminary)","released":"2026-10-23","url":"https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_a","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_gen","publisher":"EIA","dataset":"Net generation by state by type of producer by energy source (EIA-923)","table":"annual_generation_state.xlsx","period":"1990-2025","released":"2026-09-14","url":"https://www.eia.gov/electricity/data/state/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_hs861","publisher":"EIA","dataset":"Historical state data, annual sales, revenue and customers (EIA-861)","table":"HS861 2010-.xlsx","period":"2010-2025, final","released":"2026-10-07","url":"https://www.eia.gov/electricity/data/state/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_hs861m","publisher":"EIA","dataset":"Historical state data, monthly sales and revenue 1990-2009","table":"HS861M 1990-2009.xlsx","period":"1990-2009, final","released":"2010","url":"https://www.eia.gov/electricity/data/state/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_recs","publisher":"EIA","dataset":"Residential Energy Consumption Survey 2020, state data","table":"CE4.1.EL.ST, CE5 state tables, state highlights","period":"2020 (released March 2023, revised June 2023); RECS 2024 consumption due spring 2027","released":"2023-06-28","url":"https://www.eia.gov/consumption/residential/data/2020/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_recs24","publisher":"EIA","dataset":"Residential Energy Consumption Survey 2024, preliminary housing characteristics","table":"State appliance highlights; HC11.1","period":"2024 (preliminary)","released":"2026-03-19","url":"https://www.eia.gov/consumption/residential/data/2024/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_srp_2024","publisher":"EIA","dataset":"Electric Sales, Revenue, and Average Price 2024, Table 5A (average monthly bill)","table":"5A","period":"2024 (last edition of this product)","released":"2025-10-07","url":"https://www.eia.gov/electricity/sales_revenue_price/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"eia_steo","publisher":"EIA","dataset":"Short-Term Energy Outlook, November 2026 (forecast)","table":"retail prices ESRCUUS, ESCMUUS, ESICUUS","period":"November 2026 edition; 2026 partly estimated, 2027 forecast","released":"2026-11-10","url":"https://www.eia.gov/outlooks/steo/","licence":"U.S. government work, public domain (EIA copyrights and reuse policy); cite EIA and the publication date"},{"id":"hhs_liheap","publisher":"HHS","dataset":"LIHEAP funding releases to states (Administration for Children and Families, Office of Community Services)","table":"FY2027 first release; FY2026 final","period":"FY2027 first release (October 9, 2026); FY2026 total","released":"2026-10-09","url":"https://acf.gov/ocs/programs/liheap","licence":"U.S. government work, public domain"},{"id":"icc_ptc","publisher":"Illinois Commerce Commission","dataset":"Plug In Illinois, historical Prices to Compare","table":"Historical Prices to Compare workbook","period":"through November 2026","released":"2026-11","url":"https://plugin.illinois.gov/","licence":"State government publication; facts cited with attribution"},{"id":"icc_switch","publisher":"Illinois Commerce Commission","dataset":"Residential switching statistics","table":"Residential Switching Stats for PlugIn","period":"August 2026","released":"2026-09","url":"https://icc.illinois.gov/","licence":"State government publication; facts cited with attribution"},{"id":"lbnl","publisher":"Lawrence Berkeley National Laboratory","dataset":"Retail Electricity Price Trends and Drivers: Data Update, 2026 Edition (with The Brattle Group)","table":"July 2026 update","period":"2025 data","released":"2026-07","url":"https://eta-publications.lbl.gov/sites/default/files/2026-07/retail_price_trends_2026_edition_julyupdate.pdf","licence":"DOE laboratory publication; quoted with attribution"},{"id":"md_psc","publisher":"Maryland PSC","dataset":"Electric Choice Enrollment monthly reports (residential customers served by electric suppliers)","table":"Electric Choice Enrollment, December 2024, December 2025 and September 2026","period":"September 2026","released":"2026-11","url":"https://psc.maryland.gov/regulated-utilities/electricity/electric-choice-enrollment-reports/","licence":"State government publication; facts cited with attribution"},{"id":"noaa_cpc","publisher":"NOAA","dataset":"Climate Prediction Center population-weighted degree days by state","table":"daily state files, base 65°F","period":"2016-2025 annual sums; 1981-2010 CPC normals","released":"2026-11-13","url":"https://ftp.cpc.ncep.noaa.gov/htdocs/degree_days/weighted/daily_data/","licence":"U.S. government work, public domain"},{"id":"pa_puc","publisher":"Pennsylvania PUC","dataset":"PAPowerSwitch, customers who have switched (as of June 30, 2026)","table":"paps_numbers063026.pdf","period":"2026-06-30","released":"2026-07","url":"https://www.papowerswitch.com/","licence":"State government publication; facts cited with attribution"}]