Cost to heat a home in Arizona: electricity vs gas
With electricity at 15.32 cents per kWh and natural gas at $18.58 per Mcf in 2025, one MMBtu of heat costs $18.88 from a gas furnace, $14.97 from a heat pump and $44.90 from resistance heating in Arizona.
Your Arizona heating cost
Arizona inputs: 15.32 ¢ per kWh, $18.58 per Mcf, fuel only; the need is an illustration. Method.
The numbers
- Electricity 2025
- 15.32 ¢/kWhrank 23 of 45 states by price
- Natural gas 2025
- $18.58 per Mcfrank 9 of 45 states by gas price
- Gas furnace
- $18.88 per MMBtu95% efficiency, rank 9 of 45
- Heat pump
- $14.97 per MMBturank 23 of 45 states, COP 3.0 assumed
- Electric resistance
- $44.90 per MMBtu2.4 times a furnace
- Break-even COP
- 2.38a heat pump above it beats gas; rank 8 of 45
- Annual cost at 50 MMBtu
- $748 heat pumpfuel only
- Homes heated by electricity
- 60%33% utility gas, 3% propane, 0% oil
- Electricity since 2024
- +2.7%
- Gas since 2024
- -9.2%
- 2026 to date
- power +0.9%, gas +9.3%January to Jul against 2025
- Winter load
- -15% over spring and fallsummer +82%: a summer-peaking state
- Heating degree-days, normal year
- 2,2071991 to 2020; 2025 had 1,560, rank 39 of 42 states by normal HDD
- Occupied homes in Arizona (ACS 2023)
- 2,796,7901,676,252 electric, 930,324 utility gas, 80,149 propane, 2,527 oil; 6 of 15 counties are over half electric
- Generating capacity in Arizona
- 35,563 MWEIA-860 2025; 5,756 MW under construction
Arizona charts
One MMBtu of heat in Arizona
$18.88 gas, $14.97 heat pump, $44.90 resistance.
Arizona, Cost of one MMBtu of heat in Arizona: EIA retail sales and natural gas prices.
CSVPrices since 2015, Arizona
Electricity $44.90 and gas $18 per MMBtu of energy in 2025.
Fuel cost per MMBtu, Arizona, 2015 to 2025: 11 rows
| Year | Arizona electricity | Arizona gas |
|---|---|---|
| 2015 | 35.5 | 16.4 |
| 2016 | 35.6 | 14.7 |
| 2017 | 36.5 | 15.2 |
| 2018 | 37.4 | 14.8 |
| 2019 | 36.4 | 13.0 |
| 2020 | 36.0 | 12.6 |
| 2021 | 36.8 | 15.0 |
| 2022 | 38.2 | 17.2 |
| 2023 | 41.1 | 18.8 |
| 2024 | 43.7 | 19.8 |
| 2025 | 44.9 | 17.9 |
11 rows from EIA retail sales and natural gas prices.
CSVHow Arizona heats
60% electric.
Arizona, How Arizona homes are heated: Census ACS 2023, table B25040.
CSVBreak-even COP by month, Arizona
1.63 to 2.80 across the months shown.
Break-even COP by month, Arizona: 12 rows
| Month | 2025 | 2026 |
|---|---|---|
| Jan | 2.68 | 2.61 |
| Feb | 2.68 | 2.61 |
| Mar | 2.80 | 2.28 |
| Apr | 2.52 | 2.14 |
| May | 2.15 | 1.96 |
| Jun | 1.85 | 1.77 |
| Jul | 1.71 | 1.69 |
| Aug | 1.63 | No data |
| Sep | 1.65 | No data |
| Oct | 1.89 | No data |
| Nov | 2.27 | No data |
| Dec | 2.49 | No data |
12 rows from EIA retail sales.
CSVHow Arizona homes heat
| Arizona main fuel | Arizona homes | Arizona share | Arizona rank among states |
|---|---|---|---|
| Electricity | 1,676,252 | 59.9% | 6 of 45 |
| Utility gas | 930,324 | 33.3% | 36 of 45 |
| Propane | 80,149 | 2.9% | 37 of 45 |
| Fuel oil | 2,527 | 0.1% | 42 of 45 |
| Wood | 46,878 | 1.7% | 19 of 45 |
Arizona has 35,563 MW of operable generating capacity (EIA-860, 2025), largest in natural gas at 17,386 MW; 5,756 MW is under construction and 5,617 MW planned, which matters if heat pumps add winter load.
11 Arizona utilities report meters to EIA-861: 93.4% of 3,498,562 home meters are smart (AMI), 10 offer a home time-of-use rate and 1,226,276 homes are on dynamic pricing.
Arizona counties by electric heating
Largest electric share first, then the smallest; 13 counties.
| Arizona county | Arizona residents | Arizona electric heat | Arizona utility gas | Arizona propane | Arizona median income |
|---|---|---|---|---|---|
| Yuma County | 207,685 | 71% | 18% | 4% | $60,417 |
| Maricopa County | 4,491,987 | 69% | 28% | 1% | $85,518 |
| Pinal County | 449,219 | 62% | 33% | 2% | $77,588 |
| Santa Cruz County | 48,209 | 60% | 28% | 9% | $53,614 |
| Mohave County | 217,420 | 58% | 33% | 6% | $55,799 |
| Pima County | 1,049,947 | 44% | 51% | 2% | $67,929 |
| Gila County | 53,610 | 42% | 36% | 11% | $59,089 |
| Graham County | 38,860 | 35% | 51% | 6% | $67,326 |
| Cochise County | 125,458 | 34% | 50% | 12% | $58,970 |
| Yavapai County | 241,656 | 31% | 50% | 14% | $66,106 |
| Coconino County | 144,643 | 26% | 48% | 8% | $69,748 |
| Navajo County | 107,744 | 22% | 28% | 13% | $52,752 |
| Apache County | 65,680 | 17% | 7% | 13% | $40,338 |
Arizona month by month
| Month | Arizona electricity ¢/kWh | Arizona gas $/Mcf | Heat pump $/MMBtu | Gas furnace $/MMBtu | Arizona break-even COP |
|---|---|---|---|---|---|
| Jul 2026 | 15.38 | $26.31 | $15.0 | $26.7 | 1.69 |
| Jun 2026 | 15.18 | $24.74 | $14.8 | $25.1 | 1.77 |
| May 2026 | 15.23 | $22.44 | $14.9 | $22.8 | 1.96 |
| Apr 2026 | 15.48 | $20.88 | $15.1 | $21.2 | 2.14 |
| Mar 2026 | 15.59 | $19.69 | $15.2 | $20.0 | 2.28 |
| Feb 2026 | 16.03 | $17.73 | $15.7 | $18.0 | 2.61 |
| Jan 2026 | 15.61 | $17.24 | $15.2 | $17.5 | 2.61 |
| Dec 2025 | 15.46 | $17.90 | $15.1 | $18.2 | 2.49 |
| Nov 2025 | 15.66 | $19.89 | $15.3 | $20.2 | 2.27 |
| Oct 2025 | 15.55 | $23.74 | $15.2 | $24.1 | 1.89 |
| Sep 2025 | 15.27 | $26.72 | $14.9 | $27.1 | 1.65 |
| Aug 2025 | 15.17 | $26.90 | $14.8 | $27.3 | 1.63 |
| Jul 2025 | 15.34 | $25.84 | $15.0 | $26.3 | 1.71 |
| Jun 2025 | 15.23 | $23.70 | $14.9 | $24.1 | 1.85 |
| May 2025 | 15.71 | $21.06 | $15.3 | $21.4 | 2.15 |
| Apr 2025 | 15.67 | $17.91 | $15.3 | $18.2 | 2.52 |
| Mar 2025 | 15.14 | $15.58 | $14.8 | $15.8 | 2.80 |
| Feb 2025 | 15.20 | $16.36 | $14.8 | $16.6 | 2.68 |
| Jan 2025 | 14.72 | $15.84 | $14.4 | $16.1 | 2.68 |
Heating season
A normal year in Arizona brings 2,207 heating degree-days and 2,707 cooling degree-days (1991 to 2020). Months above 300 heating degree-days in a normal year: Jan, Feb, Dec. 2025 had 1,560, 29% below normal; the highest of 2015 to 2025 was 2,087 in 2019.
Arizona degree-days by year
Heating and cooling degree-days, Arizona, 2015 to 2025: 11 rows
| Arizona year | Heating (HDD) | Cooling (CDD) | Normal HDD | Normal CDD |
|---|---|---|---|---|
| 2015 | 1778 | 3129 | 2207 | 2707 |
| 2016 | 1624 | 3219 | 2207 | 2707 |
| 2017 | 1473 | 3338 | 2207 | 2707 |
| 2018 | 1733 | 3246 | 2207 | 2707 |
| 2019 | 2087 | 2975 | 2207 | 2707 |
| 2020 | 1834 | 3557 | 2207 | 2707 |
| 2021 | 1723 | 3152 | 2207 | 2707 |
| 2022 | 2061 | 3187 | 2207 | 2707 |
| 2023 | 2062 | 3175 | 2207 | 2707 |
| 2024 | 1910 | 3493 | 2207 | 2707 |
| 2025 | 1560 | 3313 | 2207 | 2707 |
NOAA nClimDiv degree-days for Arizona, 2015 to 2025, pulled 2 Oct 2026.
CSVHeating degree-days by month
Heating degree-days by month, Arizona: 12 rows
| Month | 2025 | Normal |
|---|---|---|
| Jan | 540 | 520 |
| Feb | 222 | 376 |
| Mar | 221 | 292 |
| Apr | 101 | 135 |
| May | 17 | 33 |
| Jun | 1 | 3 |
| Jul | 0 | 0 |
| Aug | 0 | 0 |
| Sep | 2 | 4 |
| Oct | 33 | 63 |
| Nov | 150 | 278 |
| Dec | 273 | 503 |
NOAA nClimDiv degree-days for Arizona by month, 2025.
CSVArizona, 2025 by month: 12 rows
| Month | HDD 2025 | HDD normal | CDD 2025 | CDD normal |
|---|---|---|---|---|
| Jan | 540 | 520 | 0 | 1 |
| Feb | 222 | 376 | 29 | 7 |
| Mar | 221 | 292 | 41 | 25 |
| Apr | 101 | 135 | 114 | 90 |
| May | 17 | 33 | 307 | 247 |
| Jun | 1 | 3 | 585 | 487 |
| Jul | 0 | 0 | 711 | 654 |
| Aug | 0 | 0 | 746 | 595 |
| Sep | 2 | 4 | 497 | 428 |
| Oct | 33 | 63 | 214 | 155 |
| Nov | 150 | 278 | 60 | 18 |
| Dec | 273 | 503 | 9 | 0 |
NOAA nClimDiv degree-days for Arizona, 2025 by month.
CSVAnalyst note
Fuel oil stands out in Arizona: 2,527 homes, 0.1%, rank 42 of 45. Main heating fuel in Arizona is electricity (60% of homes); electricity heats 60% and utility gas 33%. Since 2024 electricity moved +2.7% and gas -9.2%; in 2026 to date power is +0.9% and gas +9.3% on a year earlier. A COP 3.0 heat pump beats a furnace here by $3.91 per MMBtu; the break-even COP of 2.38 ranks 8 of 45. The most electric counties of Arizona with 20,000+ residents are led by Yuma County at 71% of homes. A normal Arizona year has 2,207 heating degree-days, and 2025 had 1,560, so heating demand ran 29% below the 1991 to 2020 normal.
States with a similar break-even
| State near Arizona | Break-even COP near Arizona | Gas, $ per MMBtu | Heat pump, $ per MMBtu |
|---|---|---|---|
| Mississippi | 2.43 | $16.92 | $13.71 |
| Texas | 2.30 | $19.73 | $15.11 |
| Hawaii | 2.24 | $53.22 | $39.65 |
| Missouri | 2.60 | $15.18 | $13.18 |
| Washington | 2.15 | $17.90 | $12.81 |
| Virginia | 2.62 | $17.06 | $14.93 |
Questions on heating in Arizona
How many Arizona homes heat with fuel oil?
2,527 of 2,796,790 homes, 0.1%, ranks 42 of 45 states; oil is not priced in this comparison.
Is a heat pump cheaper than gas in Arizona?
Yes on fuel cost: $14.97 per MMBtu against $18.88 for gas, break-even COP 2.38.
Which Arizona county has the most electric heating?
Yuma County: 71% of 76,903 homes among counties with 20,000+ residents, median income $60,417.
What share of Arizona homes heat with electricity?
60% of 2,796,790 occupied homes in ACS 2023, against 33% with utility gas.
Where does Arizona rank on heat pump cost?
23 of 45 at $14.97 per MMBtu; North Dakota is lowest at $11.54.
Is Arizona a winter or summer electricity state?
Summer use runs +82% over spring and fall, winter -15%: cooling drives the load.
Did gas or electricity get more expensive in Arizona in 2026?
January to Jul: electricity +0.9%, gas +9.3% on a year earlier.
How much generating capacity does Arizona have?
35,563 MW operable in 2025, 5,756 MW under construction, 5,617 MW planned (EIA-860).
How many Arizona homes have smart meters?
93.4% of 3,498,562 home meters, 10 of 11 reporting utilities offer time-of-use.
More on Arizona
- Arizona electricity ratesutilities, map, outages
- Average electric bill in Arizonatypical bill by month