Montana electric rates and bill calculators
In November 2026, 1,000 kWh costs $162.48 on NorthWestern Energy (Schedule REDS-1), before sales tax. That is 16.2¢ per kWh with all the charges of the tariff. Select your utility to calculate your own bill. Each calculator uses the tariff of the utility. The Montana Public Service Commission approves these tariffs.
- 1 utility
- Average bill in 2025: $110.80 a month
- Rates checked October 16, 2026
Utilities in Montana
What 1,000 kWh costs in Montana (November 2026)
The same bill on the tariff of each utility: 1,000 kWh in a 30-day November billing period, before sales tax. Compare all 92 utilities.
| Utility | 1,000 kWh | Per kWh | Change from October |
|---|---|---|---|
| NorthWestern EnergySchedule REDS-1 | $162.48 | 16.25¢ | $0.00 |
See all Montana electric utilities with their average bills, including the ones without a calculator on this site yet.
Help paying the bill: NorthWestern Energy bill help.
Cities: electricity in Billings, electricity in Bozeman, electricity in Butte, electricity in Great Falls, electricity in Helena, electricity in Kalispell, electricity in Missoula.
Average electric bill in Montana
In 2025, the average home in Montana used 853 kWh a month and paid $110.80 a month (13.0¢ per kWh). The U.S. average was $150.68 (874 kWh, 17.2¢ per kWh). These are yearly averages from the EIA-861 data of the U.S. Energy Information Administration. See the average electric bill in Montana by utility and by month, the average bill in each state, the average bill of an apartment, business electricity rates in Montana and natural gas bills in Montana. To turn watts or kWh into dollars at the Montana price, use the electricity cost calculator.
| Utility | Homes | kWh a month | Price per kWh | Average bill |
|---|---|---|---|---|
| NorthWestern Energy | 333,711 | 707 | 14.4¢ | $101.97 |
The average bill is different from the 1,000 kWh bill above: it uses the real average kWh of each utility's homes and the rates of 2025.
The same bill in each month of the year
1,000 kWh in a 30-day billing period, calculated for each month with the rates in the tariff for that month. Only the rates change, not the kWh, so the difference comes from seasonal rates and monthly charges.
| Utility | Lowest month | Highest month | Difference |
|---|---|---|---|
| NorthWestern EnergySchedule REDS-1 | $162.48January | $162.48January | $0.00 |
How electricity prices work in Montana
- Your address decides your utility. The tariff of that utility gives the price of each kWh and the monthly charges.
- Not in the calculations. Sales tax, city fees and discount programs are not in the tables on this page. The calculator of each utility shows them where the tariff gives them.
What is the average electric bill in Montana?
In 2025, the average home in Montana used 853 kWh a month and paid $110.80 a month, 13.0¢ per kWh, from the EIA-861 data of the U.S. Energy Information Administration. The U.S. average was $150.68 (874 kWh, 17.2¢ per kWh). Your own bill depends on your utility and your kWh.
How much is a 1,000 kWh electric bill in Montana?
In November 2026, 1,000 kWh costs $162.48 on NorthWestern Energy (Schedule REDS-1), before sales tax. That is 16.2¢ per kWh with all the charges of the tariff. The bill is for a 30-day billing period at the standard residential rate of each utility.
Who sets electric rates in Montana?
The Montana Public Service Commission approves the rates of NorthWestern Energy. Each calculator on this site uses the approved tariff of the utility.
This list shows only the utilities with checked tariffs. Some homes in Montana get electricity from an electric cooperative or a city utility. We do not have these tariffs yet. Send the name of your utility to contactus@utilityratecalc.com.
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No account needed: all rate changes (RSS feed) · a monthly reminder for your calendar · save your bills in this browser. Each month, the bill comparison shows what 1,000 kWh costs at every utility.
State regulator: Montana Public Service Commission.