Utility Cost Calc
Calculator StatesAverage costsElectric billGas billMethodology Heating oil & propane

Sources

16 public tables from the U.S. Energy Information Administration supply every default figure on this site. Each was downloaded and checked on October 5, 2026; the raw files are archived with the site’s code so any number can be traced back.

  1. Form EIA-861M — Sales and revenue data by state, monthly (sales_revenue.xlsx). U.S. Energy Information Administration. www.eia.gov/electricity/data/eia861m/
    Vintage: Monthly data through July 2026, released September 24, 2026 (2025–26 months preliminary). Supplies: 12-month average residential price (Σ revenue ÷ Σ sales), average kWh per customer, and month-by-month average bills for every state and DC.
  2. Electric Power Monthly, Table 5.6.A — Average price of electricity to ultimate customers by end-use sector, by state. U.S. Energy Information Administration. www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_a
    Vintage: July 2026 and July 2025. Supplies: Latest-month residential price and the same month a year earlier.
  3. Electric Sales, Revenue, and Average Price — Table 5A, 2024 average monthly bill, residential. U.S. Energy Information Administration (Form EIA-861, final). www.eia.gov/electricity/sales_revenue_price/
    Vintage: 2024 data, released October 7, 2025 (2025 edition due October 2026). Supplies: Final 2024 average monthly consumption, price and bill, shown for comparison.
  4. Natural Gas Prices — Average price delivered to residential consumers, by state. U.S. Energy Information Administration. www.eia.gov/dnav/ng/ng_pri_sum_a_EPG0_PRS_DMcf_a.htm
    Vintage: Annual 2025 (2024 for six states where EIA lists 2025 as not available); monthly through July 2026; released September 30, 2026. Supplies: Residential natural gas price in dollars per thousand cubic feet.
  5. Natural Gas Consumption by End Use — delivered to residential consumers, by state. U.S. Energy Information Administration. www.eia.gov/dnav/ng/ng_cons_sum_a_EPG0_VRS_mmcf_a.htm
    Vintage: Annual 2024; monthly 2025. Supplies: Residential deliveries (numerator of gas use per customer) and the month-by-month share of the year’s gas use.
  6. Number of Natural Gas Residential Consumers, by state. U.S. Energy Information Administration. www.eia.gov/dnav/ng/ng_cons_num_a_EPG0_VN3_Count_a.htm
    Vintage: Annual 2024. Supplies: Residential gas customers (denominator of gas use per customer).
  7. Heat Content of Natural Gas Delivered to Consumers, by state. U.S. Energy Information Administration. www.eia.gov/dnav/ng/ng_cons_heat_a_EPG0_VGTH_btucf_a.htm
    Vintage: Annual 2025 (and 2024 for the 2024 price states). Supplies: Btu per cubic foot, used to convert $/Mcf to $/therm and cubic feet to therms.
  8. FAQ: How do I convert natural gas prices in dollars per cubic feet to dollars per Btu or therm?. U.S. Energy Information Administration. www.eia.gov/tools/faqs/faq.php?id=45&t=8
    Vintage: Page fetched October 5, 2026. Supplies: The conversion method: $/Mcf ÷ (Btu per cf ÷ 100) = $/therm.
  9. Weekly Heating Oil and Propane Prices (October – March) — residential propane, by state. U.S. Energy Information Administration (SHOPP). www.eia.gov/dnav/pet/pet_pri_wfr_a_EPLLPA_PRS_dpgal_w.htm
    Vintage: Week of March 30, 2026; released April 1, 2026; next release October 7, 2026. Supplies: Residential propane price per gallon in the 38 states EIA surveys.
  10. Weekly Heating Oil and Propane Prices (October – March) — residential heating oil, by state. U.S. Energy Information Administration (SHOPP). www.eia.gov/dnav/pet/pet_pri_wfr_a_EPD2F_PRS_dpgal_w.htm
    Vintage: Week of March 30, 2026; released April 1, 2026; next release October 7, 2026. Supplies: Residential No. 2 heating oil price per gallon in the 21 states EIA surveys.
  11. RECS 2020 state tables — CE2.1.ST fuel consumption, CE4.6.EL.ST electricity end uses, fuels used, main space-heating fuel. U.S. Energy Information Administration. www.eia.gov/consumption/residential/data/2020/index.php?view=state
    Vintage: 2020 survey year; final tables released June 2023. Supplies: Average propane and heating-oil gallons per household using them, electricity end-use split, and the share of homes using each fuel.
  12. RECS 2020 tables CE2.2–CE2.5 — household fuel consumption by region and home characteristics. U.S. Energy Information Administration. www.eia.gov/consumption/residential/data/2020/index.php?view=consumption
    Vintage: 2020 survey year; revised March 2024. Supplies: “A home like mine” usage: average kWh, therms and gallons by home size, household size, main heating fuel and building type in each census region.
  13. State Electricity Profiles 2024 — tables 1–19 for each state (retailers, generation mix, provider types, net metering, reliability). U.S. Energy Information Administration. www.eia.gov/electricity/state/
    Vintage: 2024 data, released November 10, 2025 (next release November 2026). Supplies: Each state page’s utility market structure, largest retailers and plants, 2014 vs 2024 generation mix, net-metered homes and outage minutes.
  14. LIHEAP State and Territory Grant Recipient Contacts. U.S. Department of Health and Human Services, Administration for Children and Families. acf.gov/ocs/data/map/liheap-map-state-and-territory-contact-listing
    Vintage: Page fetched October 5, 2026. Supplies: The agency that administers home energy assistance (LIHEAP) in each state, with public phone numbers and websites.
  15. Financial Assistance, Savings and Discounts (CARE and FERA). California Public Utilities Commission. www.cpuc.ca.gov/consumer-support/financial-assistance-savings-and-discounts
    Vintage: Page fetched October 5, 2026. Supplies: CARE and FERA discount levels quoted on the California page.
  16. Nebraska Power Review Board. State of Nebraska. powerreview.nebraska.gov/
    Vintage: Page fetched October 5, 2026. Supplies: Nebraska is served at retail entirely by consumer-owned electric utilities.

Refresh schedule

We re-download the electricity file each month after EIA’s Electric Power Monthly release (late each month), the natural gas series after each Natural Gas Monthly, and heating-fuel prices weekly during the October–March season. RECS changes only when EIA publishes a new survey.

Official agencies linked from state pages

These links are not data sources; they are where to find your own utility’s tariff or file a complaint. Each address was checked on October 5, 2026.

Figures verified against their sources on . Report a correction