Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales, EIA-860/923, Census ACS, NOAA · How we got these numbers · Report an error

Cost to heat a home in Hawaii: electricity vs gas

With electricity at 40.59 cents per kWh and natural gas at $52.38 per Mcf in 2025, one MMBtu of heat costs $53.22 from a gas furnace, $39.65 from a heat pump and $118.96 from resistance heating in Hawaii.

Your Hawaii heating cost

    Hawaii inputs: 40.59 ¢ per kWh, $52.38 per Mcf, fuel only; the need is an illustration. Method.

    The numbers

    Electricity 2025
    40.59 ¢/kWhrank 1 of 45 states by price
    Natural gas 2025
    $52.38 per Mcfrank 1 of 45 states by gas price
    Gas furnace
    $53.22 per MMBtu95% efficiency, rank 1 of 45
    Heat pump
    $39.65 per MMBturank 45 of 45 states, COP 3.0 assumed
    Electric resistance
    $118.96 per MMBtu2.2 times a furnace
    Break-even COP
    2.24a heat pump above it beats gas; rank 6 of 45
    Annual cost at 50 MMBtu
    $1,983 heat pumpfuel only
    Homes heated by electricity
    41%3% utility gas, 2% propane, 0% oil
    Electricity since 2024
    -5.3%
    Gas since 2024
    +7.2%
    2026 to date
    power +12.6%, gas +25.9%January to Jul against 2025
    Winter load
    -1% over spring and fallsummer +5%: a summer-peaking state
    Occupied homes in Hawaii (ACS 2023)
    488,991201,286 electric, 14,492 utility gas, 9,183 propane, 212 oil; 0 of 5 counties are over half electric
    Generating capacity in Hawaii
    3,174 MWEIA-860 2025; 75 MW under construction

    Hawaii charts

    One MMBtu of heat in Hawaii

    $53.22 gas, $39.65 heat pump, $118.96 resistance.

    $ per MMBtu

    • Electric resistance119.0
    • Heat pump, COP 3.039.7
    • Gas furnace, 95%53.2

    Hawaii, Cost of one MMBtu of heat in Hawaii: EIA retail sales and natural gas prices.

    CSV

    Prices since 2015, Hawaii

    Electricity $118.96 and gas $51 per MMBtu of energy in 2025.

    Fuel cost per MMBtu, Hawaii, 2015 to 2025: 11 rows
    YearHawaii electricityHawaii gas
    201586.738.7
    201680.535.2
    201786.537.5
    201895.242.0
    201994.042.6
    202088.736.4
    202198.145.4
    2022126.155.5
    2023124.251.3
    2024125.647.2
    2025119.050.6

    11 rows from EIA retail sales and natural gas prices.

    CSV

    How Hawaii heats

    41% electric.

    % of homes

    • Electricity41.2
    • Utility gas3.0
    • Propane1.9
    • Fuel oil0.0
    • Wood0.2

    Hawaii, How Hawaii homes are heated: Census ACS 2023, table B25040.

    CSV

    Break-even COP by month, Hawaii

    1.85 to 2.58 across the months shown.

    Break-even COP by month, Hawaii: 12 rows
    Month20252026
    Jan2.512.20
    Feb2.582.17
    Mar2.502.00
    Apr2.501.90
    May2.39No data
    Jun2.432.28
    Jul1.982.11
    Aug1.85No data
    Sep1.98No data
    Oct2.01No data
    Nov2.00No data
    Dec2.32No data

    12 rows from EIA retail sales.

    CSV

    How Hawaii homes heat

    Hawaii main fuelHawaii homesHawaii shareHawaii rank among states
    Electricity201,28641.2%17 of 45
    Utility gas14,4923.0%45 of 45
    Propane9,1831.9%43 of 45
    Fuel oil2120.0%45 of 45
    Wood1,1410.2%43 of 45

    Hawaii has 3,174 MW of operable generating capacity (EIA-860, 2025), largest in petroleum at 2,072 MW; 75 MW is under construction and 236 MW planned, which matters if heat pumps add winter load.

    3 Hawaii utilities report meters to EIA-861: 95.0% of 466,343 home meters are smart (AMI), 3 offer a home time-of-use rate and 20,067 homes are on dynamic pricing.

    Hawaii counties by electric heating

    Largest electric share first, then the smallest; 4 counties.

    Hawaii countyHawaii residentsHawaii electric heatHawaii utility gasHawaii propaneHawaii median income
    Honolulu County1,003,66646%4%1%$104,264
    Maui County164,63239%1%2%$95,076
    Kauai County73,61031%3%5%$93,612
    Hawaii County203,68425%1%5%$77,215

    Hawaii month by month

    MonthHawaii electricity ¢/kWhHawaii gas $/McfHeat pump $/MMBtuGas furnace $/MMBtuHawaii break-even COP
    Jul 202648.00$65.72$46.9$66.82.11
    Jun 202652.72$66.84$51.5$67.92.28
    Apr 202646.62$70.84$45.5$72.01.90
    Mar 202642.23$60.89$41.3$61.92.00
    Feb 202643.00$57.11$42.0$58.02.17
    Jan 202639.79$52.13$38.9$53.02.20
    Dec 202541.62$51.74$40.7$52.62.32
    Nov 202540.20$57.88$39.3$58.82.00
    Oct 202539.74$56.92$38.8$57.82.01
    Sep 202539.54$57.71$38.6$58.61.98
    Aug 202538.90$60.54$38.0$61.51.85
    Jul 202539.36$57.34$38.5$58.31.98
    Jun 202540.96$48.60$40.0$49.42.43
    May 202541.03$49.54$40.1$50.32.39
    Apr 202542.44$48.96$41.5$49.72.50
    Mar 202541.11$47.43$40.2$48.22.50
    Feb 202542.69$47.79$41.7$48.62.58
    Jan 202540.51$46.61$39.6$47.42.51

    Heating season

    No data: NOAA nClimDiv has no statewide degree days for Hawaii.

    Analyst note

    Utility gas stands out in Hawaii: 3.0% of 488,991 homes, rank 45 of 45. Main heating fuel in Hawaii is electricity (41% of homes); electricity heats 41% and utility gas 3%. Since 2024 electricity moved -5.3% and gas +7.2%; in 2026 to date power is +12.6% and gas +25.9% on a year earlier. A COP 3.0 heat pump beats a furnace here by $13.57 per MMBtu; the break-even COP of 2.24 ranks 6 of 45. The most electric counties of Hawaii with 20,000+ residents are led by Honolulu County at 46% of homes.

    States with a similar break-even

    State near HawaiiBreak-even COP near HawaiiGas, $ per MMBtuHeat pump, $ per MMBtu
    Texas2.30$19.73$15.11
    Washington2.15$17.90$12.81
    Arizona2.38$18.88$14.97
    Louisiana2.08$17.67$12.28
    Georgia2.08$20.75$14.39
    Mississippi2.43$16.92$13.71

    Questions on heating in Hawaii

    How much of Hawaii relies on utility gas for heat?

    3.0% of homes, 14,492 of 488,991, ranks 45 of 45 states.

    Is a heat pump cheaper than gas in Hawaii?

    Yes on fuel cost: $39.65 per MMBtu against $53.22 for gas, break-even COP 2.24.

    Which Hawaii county has the most electric heating?

    Honolulu County: 46% of 337,061 homes among counties with 20,000+ residents, median income $104,264.

    What share of Hawaii homes heat with electricity?

    41% of 488,991 occupied homes in ACS 2023, against 3% with utility gas.

    Where does Hawaii rank on heat pump cost?

    45 of 45 at $39.65 per MMBtu; North Dakota is lowest at $11.54.

    Is Hawaii a winter or summer electricity state?

    Summer use runs +5% over spring and fall, winter -1%: cooling drives the load.

    Did gas or electricity get more expensive in Hawaii in 2026?

    January to Jul: electricity +12.6%, gas +25.9% on a year earlier.

    How much generating capacity does Hawaii have?

    3,174 MW operable in 2025, 75 MW under construction, 236 MW planned (EIA-860).

    How many Hawaii homes have smart meters?

    95.0% of 466,343 home meters, 3 of 3 reporting utilities offer time-of-use.

    More on Hawaii

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    With electricity at 40.59 cents per kWh and natural gas at $52.38 per Mcf in 2025, one MMBtu of heat costs $53.22 from a gas furnace, $39.65 from a heat pump and $118.96…