Cost to Run Water Heater (Electric) in Montana (2026)
At Montana's average rate of 12.81¢/kWh, running a Water Heater (Electric) costs $51.88/month or $631.21/year. That's 25.6% less than the national average of $69.74/month.
Monthly Cost
$51.88
in Montana
Yearly Cost
$631.21
in Montana
State Rate
12.81¢
per kWh
National Rank
#8
of 50 states
Water Heater (Electric) Energy Usage
| Wattage | 4,500 watts |
| Typical Daily Use | 3 hours/day |
| Daily kWh | 13.50 kWh |
| Monthly kWh | 405.0 kWh |
| Category | Heating |
Montana vs National Average: Water Heater (Electric) Costs
| Metric | Montana | National Avg | Difference |
|---|---|---|---|
| Electricity Rate | 12.81¢/kWh | 17.22¢/kWh | -4.41¢ |
| Monthly Water Heater (Electric) Cost | $51.88 | $69.74 | $-17.86 |
| Yearly Water Heater (Electric) Cost | $631.21 | $848.52 | $-217.30 |
Water Heater (Electric) Cost in Neighboring States
How does running a Water Heater (Electric) in Montana compare to nearby states?
| State | Rate | Monthly | Yearly | vs MT |
|---|---|---|---|---|
| Montana (this state) | 12.81¢ | $51.88 | $631.21 | - |
| Idaho | 11.15¢ | $45.16 | $549.42 | $-6.72 |
| North Dakota | 12.43¢ | $50.34 | $612.49 | $-1.54 |
| South Dakota | 13.74¢ | $55.65 | $677.04 | +$3.77 |
| Wyoming | 11.72¢ | $47.47 | $577.50 | $-4.41 |
Water Heater (Electric) Cost: All 50 States Ranked
Montana ranks #8 out of 50 for Water Heater (Electric) running costs (1 = cheapest).
| # | State | Rate | Monthly | Yearly |
|---|---|---|---|---|
| 1 | Idaho | 11.15¢ | $45.16 | $549.42 |
| 2 | Washington | 11.26¢ | $45.60 | $554.84 |
| 3 | Utah | 11.41¢ | $46.21 | $562.23 |
| 4 | Wyoming | 11.72¢ | $47.47 | $577.50 |
| 5 | North Dakota | 12.43¢ | $50.34 | $612.49 |
| 6 | Louisiana | 12.52¢ | $50.71 | $616.92 |
| 7 | Oregon | 12.55¢ | $50.83 | $618.40 |
| 8 | Montana | 12.81¢ | $51.88 | $631.21 |
| 9 | Oklahoma | 12.82¢ | $51.92 | $631.71 |
| 10 | Tennessee | 12.91¢ | $52.29 | $636.14 |
| 11 | Arkansas | 13.04¢ | $52.81 | $642.55 |
| 12 | Nebraska | 13.08¢ | $52.97 | $644.52 |
| 13 | Kentucky | 13.19¢ | $53.42 | $649.94 |
| 14 | West Virginia | 13.44¢ | $54.43 | $662.26 |
| 15 | Mississippi | 13.54¢ | $54.84 | $667.18 |
| 16 | South Dakota | 13.74¢ | $55.65 | $677.04 |
| 17 | Missouri | 13.78¢ | $55.81 | $679.01 |
| 18 | North Carolina | 14.09¢ | $57.06 | $694.28 |
| 19 | Georgia | 14.27¢ | $57.79 | $703.15 |
| 20 | South Carolina | 14.43¢ | $58.44 | $711.04 |
| 21 | Virginia | 14.64¢ | $59.29 | $721.39 |
| 22 | Arizona | 14.78¢ | $59.86 | $728.28 |
| 23 | Alabama | 14.87¢ | $60.22 | $732.72 |
| 24 | Nevada | 14.92¢ | $60.43 | $735.18 |
| 25 | Delaware | 14.94¢ | $60.51 | $736.17 |
| 26 | Texas | 15.06¢ | $60.99 | $742.08 |
| 27 | Iowa | 15.14¢ | $61.32 | $746.02 |
| 28 | Ohio | 15.21¢ | $61.60 | $749.47 |
| 29 | Kansas | 15.28¢ | $61.88 | $752.92 |
| 30 | New Mexico | 15.34¢ | $62.13 | $755.88 |
| 31 | Indiana | 15.42¢ | $62.45 | $759.82 |
| 32 | Colorado | 15.56¢ | $63.02 | $766.72 |
| 33 | Minnesota | 15.63¢ | $63.30 | $770.17 |
| 34 | Florida | 16.22¢ | $65.69 | $799.24 |
| 35 | Illinois | 16.27¢ | $65.89 | $801.70 |
| 36 | Maryland | 16.57¢ | $67.11 | $816.49 |
| 37 | Wisconsin | 17.38¢ | $70.39 | $856.40 |
| 38 | Pennsylvania | 18.36¢ | $74.36 | $904.69 |
| 39 | New Jersey | 18.48¢ | $74.84 | $910.60 |
| 40 | Michigan | 19.34¢ | $78.33 | $952.98 |
| 41 | Vermont | 21.43¢ | $86.79 | $1,055.96 |
| 42 | Alaska | 24.21¢ | $98.05 | $1,192.95 |
| 43 | New York | 24.33¢ | $98.54 | $1,198.86 |
| 44 | New Hampshire | 25.78¢ | $104.41 | $1,270.31 |
| 45 | Maine | 26.37¢ | $106.80 | $1,299.38 |
| 46 | Rhode Island | 28.08¢ | $113.72 | $1,383.64 |
| 47 | Massachusetts | 28.58¢ | $115.75 | $1,408.28 |
| 48 | Connecticut | 29.98¢ | $121.42 | $1,477.26 |
| 49 | California | 31.22¢ | $126.44 | $1,538.37 |
| 50 | Hawaii | 43.18¢ | $174.88 | $2,127.69 |
Save Money on Water Heater (Electric) in Montana
- Lower your thermostat by 7-10F for 8 hours a day to save up to 10% on Water Heater (Electric) heating costs.
- Use a smart thermostat to optimize Water Heater (Electric) usage based on your schedule in Montana.
- Improve home insulation in attics, walls, and floors to retain heat better.
- Use zone heating to warm only occupied rooms instead of your entire home.
- Look for Energy Star certified Water Heater (Electric) models that use 10-50% less energy than standard models.
- Consider installing solar panels in Montana to offset your Water Heater (Electric) electricity costs.
- Check if your Montana utility offers time-of-use rates and run your Water Heater (Electric) during off-peak hours.
- Ensure proper maintenance of your Water Heater (Electric) to keep it running at peak efficiency.
Related Pages
More about Montana
More about Water Heater (Electric)
Frequently Asked Questions
How much does it cost to run a Water Heater (Electric) in Montana?
Running a Water Heater (Electric) in Montana costs approximately $51.88 per month or $631.21 per year, based on the state's average residential rate of 12.81¢/kWh and typical usage of 3 hours per day.
Is running a Water Heater (Electric) expensive in Montana compared to other states?
Montana ranks #8 out of 50 states for Water Heater (Electric) running costs (1 = cheapest). It's 25.6% cheaper than the national average. The cheapest state is Idaho at $45.16/month, and the most expensive is Hawaii at $174.88/month.
How much electricity does a Water Heater (Electric) use per month?
A typical Water Heater (Electric) uses 4500 watts and runs about 3 hours per day, consuming approximately 13.50 kWh daily or 405.0 kWh per month.
How can I reduce Water Heater (Electric) electricity costs in Montana?
You can reduce costs by using an Energy Star rated Water Heater (Electric), running it during off-peak hours if your utility offers time-of-use rates, ensuring proper maintenance, and considering solar panels to offset electricity costs in Montana.
What is the electricity rate in Montana?
The average residential electricity rate in Montana is 12.81¢ per kWh. The primary energy source is Hydroelectric, with 48.0% from renewable sources.
Was this data helpful?
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)