Cost to heat a home in Colorado: electricity vs gas
With electricity at 15.85 cents per kWh and natural gas at $11.17 per Mcf in 2025, one MMBtu of heat costs $11.35 from a gas furnace, $15.48 from a heat pump and $46.45 from resistance heating in Colorado.
Your Colorado heating cost
Colorado inputs: 15.85 ¢ per kWh, $11.17 per Mcf, fuel only; the need is an illustration. Method.
The numbers
- Electricity 2025
- 15.85 ¢/kWhrank 18 of 45 states by price
- Natural gas 2025
- $11.17 per Mcfrank 35 of 45 states by gas price
- Gas furnace
- $11.35 per MMBtu95% efficiency, rank 35 of 45
- Heat pump
- $15.48 per MMBturank 28 of 45 states, COP 3.0 assumed
- Electric resistance
- $46.45 per MMBtu4.1 times a furnace
- Break-even COP
- 4.09a heat pump above it beats gas; rank 34 of 45
- Annual cost at 50 MMBtu
- $774 heat pumpfuel only
- Homes heated by electricity
- 25%67% utility gas, 5% propane, 0% oil
- Electricity since 2024
- +6.2%
- Gas since 2024
- +5.6%
- Winter load
- +19% over spring and fallsummer +45%: a summer-peaking state
- Heating degree-days, normal year
- 7,5021991 to 2020; 2025 had 6,551, rank 9 of 42 states by normal HDD
- Occupied homes in Colorado (ACS 2023)
- 2,325,576586,733 electric, 1,551,917 utility gas, 113,991 propane, 2,693 oil; 0 of 64 counties are over half electric
- Generating capacity in Colorado
- 22,242 MWEIA-860 2025; 2,745 MW under construction
Colorado charts
One MMBtu of heat in Colorado
$11.35 gas, $15.48 heat pump, $46.45 resistance.
Colorado, Cost of one MMBtu of heat in Colorado: EIA retail sales and natural gas prices.
CSVPrices since 2015, Colorado
Electricity $46.45 and gas $11 per MMBtu of energy in 2025.
Fuel cost per MMBtu, Colorado, 2015 to 2025: 11 rows
| Year | Colorado electricity | Colorado gas |
|---|---|---|
| 2015 | 35.5 | 8.0 |
| 2016 | 35.4 | 7.1 |
| 2017 | 35.7 | 7.8 |
| 2018 | 35.6 | 7.5 |
| 2019 | 35.7 | 7.5 |
| 2020 | 36.2 | 7.0 |
| 2021 | 38.3 | 8.8 |
| 2022 | 41.6 | 12.3 |
| 2023 | 41.9 | 11.5 |
| 2024 | 43.7 | 10.2 |
| 2025 | 46.5 | 10.8 |
11 rows from EIA retail sales and natural gas prices.
CSVHow Colorado heats
25% electric.
Colorado, How Colorado homes are heated: Census ACS 2023, table B25040.
CSVBreak-even COP by month, Colorado
2.68 to 4.49 across the months shown.
Break-even COP by month, Colorado: 12 rows
| Month | 2025 | 2026 |
|---|---|---|
| Jan | 4.30 | 4.49 |
| Feb | 4.46 | 4.41 |
| Mar | 4.21 | 4.15 |
| Apr | 3.83 | 4.33 |
| May | 3.45 | No data |
| Jun | 2.85 | 3.28 |
| Jul | 2.68 | 2.79 |
| Aug | 2.71 | No data |
| Sep | 3.01 | No data |
| Oct | 3.82 | No data |
| Nov | 4.32 | No data |
| Dec | 4.47 | No data |
12 rows from EIA retail sales.
CSVHow Colorado homes heat
| Colorado main fuel | Colorado homes | Colorado share | Colorado rank among states |
|---|---|---|---|
| Electricity | 586,733 | 25.2% | 30 of 45 |
| Utility gas | 1,551,917 | 66.7% | 5 of 45 |
| Propane | 113,991 | 4.9% | 26 of 45 |
| Fuel oil | 2,693 | 0.1% | 39 of 45 |
| Wood | 32,670 | 1.4% | 22 of 45 |
Colorado has 22,242 MW of operable generating capacity (EIA-860, 2025), largest in natural gas at 8,042 MW; 2,745 MW is under construction and 2,874 MW planned, which matters if heat pumps add winter load.
24 Colorado utilities report meters to EIA-861: 92.5% of 2,637,146 home meters are smart (AMI), 18 offer a home time-of-use rate and 1,207,135 homes are on dynamic pricing.
Colorado counties by electric heating
Largest electric share first, then the smallest; 20 counties.
| Colorado county | Colorado residents | Colorado electric heat | Colorado utility gas | Colorado propane | Colorado median income |
|---|---|---|---|---|---|
| Summit County | 30,857 | 39% | 54% | 3% | $106,255 |
| Denver County | 713,734 | 35% | 62% | 1% | $91,681 |
| Arapahoe County | 655,709 | 31% | 66% | 2% | $97,215 |
| Eagle County | 55,374 | 30% | 63% | 4% | $103,174 |
| Routt County | 24,990 | 30% | 47% | 14% | $104,803 |
| Morgan County | 29,186 | 29% | 51% | 18% | $75,407 |
| Adams County | 524,408 | 27% | 69% | 2% | $91,387 |
| Broomfield County | 75,110 | 27% | 71% | 1% | $121,025 |
| El Paso County | 736,008 | 25% | 69% | 4% | $87,470 |
| Boulder County | 328,317 | 24% | 70% | 3% | $102,772 |
| La Plata County | 56,088 | 19% | 47% | 26% | $85,296 |
| Mesa County | 157,316 | 17% | 75% | 4% | $71,485 |
| Weld County | 340,711 | 17% | 74% | 7% | $93,287 |
| Delta County | 31,353 | 17% | 51% | 16% | $58,330 |
| Pueblo County | 168,726 | 17% | 75% | 5% | $62,250 |
| Montezuma County | 26,204 | 16% | 39% | 30% | $63,005 |
| Montrose County | 43,272 | 16% | 63% | 12% | $66,072 |
| Fremont County | 49,394 | 13% | 66% | 14% | $61,027 |
| Teller County | 24,774 | 13% | 54% | 20% | $80,666 |
| Elbert County | 27,152 | 9% | 42% | 41% | $129,477 |
Colorado month by month
| Month | Colorado electricity ¢/kWh | Colorado gas $/Mcf | Heat pump $/MMBtu | Gas furnace $/MMBtu | Colorado break-even COP |
|---|---|---|---|---|---|
| Jul 2026 | 17.00 | $17.56 | $16.6 | $17.8 | 2.79 |
| Jun 2026 | 17.13 | $15.05 | $16.7 | $15.3 | 3.28 |
| Apr 2026 | 16.54 | $11.03 | $16.2 | $11.2 | 4.33 |
| Mar 2026 | 16.74 | $11.64 | $16.4 | $11.8 | 4.15 |
| Feb 2026 | 16.79 | $10.99 | $16.4 | $11.2 | 4.41 |
| Jan 2026 | 16.44 | $10.57 | $16.1 | $10.7 | 4.49 |
| Dec 2025 | 16.12 | $10.41 | $15.7 | $10.6 | 4.47 |
| Nov 2025 | 16.35 | $10.92 | $16.0 | $11.1 | 4.32 |
| Oct 2025 | 16.26 | $12.28 | $15.9 | $12.5 | 3.82 |
| Sep 2025 | 16.70 | $16.02 | $16.3 | $16.3 | 3.01 |
| Aug 2025 | 16.37 | $17.41 | $16.0 | $17.7 | 2.71 |
| Jul 2025 | 15.99 | $17.22 | $15.6 | $17.5 | 2.68 |
| Jun 2025 | 16.04 | $16.23 | $15.7 | $16.5 | 2.85 |
| May 2025 | 15.58 | $13.02 | $15.2 | $13.2 | 3.45 |
| Apr 2025 | 15.50 | $11.67 | $15.1 | $11.9 | 3.83 |
| Mar 2025 | 15.04 | $10.31 | $14.7 | $10.5 | 4.21 |
| Feb 2025 | 15.08 | $9.75 | $14.7 | $9.9 | 4.46 |
| Jan 2025 | 14.93 | $10.02 | $14.6 | $10.2 | 4.30 |
Heating season
A normal year in Colorado brings 7,502 heating degree-days and 251 cooling degree-days (1991 to 2020). Months above 300 heating degree-days in a normal year: Jan, Feb, Mar, Apr, May, Oct, Nov, Dec. 2025 had 6,551, 13% below normal; the highest of 2015 to 2025 was 7,498 in 2019.
Colorado degree-days by year
Heating and cooling degree-days, Colorado, 2015 to 2025: 11 rows
| Colorado year | Heating (HDD) | Cooling (CDD) | Normal HDD | Normal CDD |
|---|---|---|---|---|
| 2015 | 6668 | 338 | 7502 | 251 |
| 2016 | 6672 | 358 | 7502 | 251 |
| 2017 | 6479 | 318 | 7502 | 251 |
| 2018 | 6872 | 395 | 7502 | 251 |
| 2019 | 7498 | 372 | 7502 | 251 |
| 2020 | 6814 | 452 | 7502 | 251 |
| 2021 | 6723 | 428 | 7502 | 251 |
| 2022 | 7212 | 444 | 7502 | 251 |
| 2023 | 7282 | 298 | 7502 | 251 |
| 2024 | 6547 | 429 | 7502 | 251 |
| 2025 | 6551 | 352 | 7502 | 251 |
NOAA nClimDiv degree-days for Colorado, 2015 to 2025, pulled 2 Oct 2026.
CSVHeating degree-days by month
Heating degree-days by month, Colorado: 12 rows
| Month | 2025 | Normal |
|---|---|---|
| Jan | 1380 | 1252 |
| Feb | 1010 | 1047 |
| Mar | 763 | 963 |
| Apr | 621 | 665 |
| May | 385 | 401 |
| Jun | 89 | 147 |
| Jul | 10 | 30 |
| Aug | 25 | 52 |
| Sep | 181 | 234 |
| Oct | 477 | 569 |
| Nov | 719 | 930 |
| Dec | 891 | 1212 |
NOAA nClimDiv degree-days for Colorado by month, 2025.
CSVColorado, 2025 by month: 12 rows
| Month | HDD 2025 | HDD normal | CDD 2025 | CDD normal |
|---|---|---|---|---|
| Jan | 1,380 | 1,252 | 0 | 0 |
| Feb | 1,010 | 1,047 | 0 | 0 |
| Mar | 763 | 963 | 0 | 0 |
| Apr | 621 | 665 | 0 | 0 |
| May | 385 | 401 | 1 | 2 |
| Jun | 89 | 147 | 75 | 47 |
| Jul | 10 | 30 | 152 | 112 |
| Aug | 25 | 52 | 103 | 76 |
| Sep | 181 | 234 | 21 | 14 |
| Oct | 477 | 569 | 0 | 0 |
| Nov | 719 | 930 | 0 | 0 |
| Dec | 891 | 1,212 | 0 | 0 |
NOAA nClimDiv degree-days for Colorado, 2025 by month.
CSVAnalyst note
Utility gas stands out in Colorado: 66.7% of 2,325,576 homes, rank 5 of 45. Main heating fuel in Colorado is utility gas (67% of homes); electricity heats 25% and utility gas 67%. Since 2024 electricity moved +6.2% and gas +5.6%. A COP 3.0 heat pump trails a furnace here by $4.13 per MMBtu; the break-even COP of 4.09 ranks 34 of 45. The most electric counties of Colorado with 20,000+ residents are led by Summit County at 39% of homes. A normal Colorado year has 7,502 heating degree-days, and 2025 had 6,551, so heating demand ran 13% below the 1991 to 2020 normal.
States with a similar break-even
| State near Colorado | Break-even COP near Colorado | Gas, $ per MMBtu | Heat pump, $ per MMBtu |
|---|---|---|---|
| Indiana | 4.07 | $11.67 | $15.86 |
| Minnesota | 4.16 | $11.16 | $15.45 |
| Montana | 4.16 | $9.13 | $12.68 |
| California | 4.26 | $22.36 | $31.79 |
| South Dakota | 3.91 | $10.02 | $13.07 |
| New York | 4.33 | $17.86 | $25.78 |
Questions on heating in Colorado
How much of Colorado relies on utility gas for heat?
66.7% of homes, 1,551,917 of 2,325,576, ranks 5 of 45 states.
Is a heat pump cheaper than gas in Colorado?
No on fuel cost: $15.48 per MMBtu against $11.35 for gas, break-even COP 4.09.
Which Colorado county has the most electric heating?
Summit County: 39% of 12,347 homes among counties with 20,000+ residents, median income $106,255.
What share of Colorado homes heat with electricity?
25% of 2,325,576 occupied homes in ACS 2023, against 67% with utility gas.
Where does Colorado rank on heat pump cost?
28 of 45 at $15.48 per MMBtu; North Dakota is lowest at $11.54.
Is Colorado a winter or summer electricity state?
Summer use runs +45% over spring and fall, winter +19%: cooling drives the load.
Did gas or electricity get more expensive in Colorado in 2026?
No monthly gas data.
How much generating capacity does Colorado have?
22,242 MW operable in 2025, 2,745 MW under construction, 2,874 MW planned (EIA-860).
How many Colorado homes have smart meters?
92.5% of 2,637,146 home meters, 18 of 24 reporting utilities offer time-of-use.
More on Colorado
- Colorado electricity ratesutilities, map, outages
- Average electric bill in Coloradotypical bill by month