Electricity rates — Montana
EIA puts the average residential price in Montana at 13.8¢ per kWh over the 12 months to June 2026, the 10th-lowest of 51 against 17.9¢ for the US. WattClear holds no current plan it can rank here. Retrieved September 23, 2026.
Every priced plan in Montana, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Total Electric Residential ServiceBlack Hills Power Inc (Montana)flat rate · in effect since October 1991 · older schedule, not ranked | $706.80 | — | 5.9¢ |
| Residential ServiceBlack Hills Power Inc (Montana)flat rate · in effect since October 1991 · older schedule, not ranked | $819.60 | +$112.80 | 6.8¢ |
| Residential - RES01 - Three PhaseFlathead Electric Coop Inctiered · in effect since June 2015 · older schedule, not ranked | $1,313.04 | +$606.24 | 10.9¢ |
| Residential Service Single Phase RES51Flathead Electric Coop Incflat rate · in effect since June 2015 · older schedule, not ranked | $1,726.80 | +$1,020.00 | 14.4¢ |
| Residential Service Three Phase RES51Flathead Electric Coop Incflat rate · in effect since June 2015 · older schedule, not ranked | $1,969.32 | +$1,262.52 | 16.4¢ |
The cheapest plan in Montana at each level of use
What households in Montana pay, by EIA's count
Montana's residential electricity averaged 13.8¢ per kWh over the 12 months to June 2026, the 10th-lowest of the 50 states and DC and 23% below the US average of 17.9¢. It sits between Oklahoma (13.6¢) and Kentucky (13.8¢).
EIA lists 14 utilities serving homes in Montana. By homes served, the largest 5 are NorthWestern Energy LLC - (MT) (328,127), Flathead Electric Coop Inc (63,317), Yellowstone Valley Elec Co-op (21,182), Montana-Dakota Utilities Co (19,616), and USBIA-Mission Valley Power (16,292). Member-owned cooperatives supply about 21% of its households.
Over five years they rose 23.5%, well behind the US's 34.7%.
Montana homes used the most electricity in January and the least in October (2021–2025): a winter peak, 1.8 times the lightest month. January's bills were the highest, averaging $135; October's the lowest, $84. September was the dearest month per kWh, 14% above February.
None of the plans WattClear holds for Montana is a current price it can rank, so EIA's figures are this page's only statement of what the state pays.
| Average price, 12 months to June 2026 | 13.8¢ |
|---|---|
| Among the 50 states and DC | 10 of 51, 1 = lowest |
| US average, same months | 17.9¢ |
| Change on the 12 months before | ↑ +9.6% |
| Change over five years | ↑ +23.5% (US ↑ +34.7%) |
| Average price in 2001 | 6.9¢ |
| Households, 2024 | 557,432 |
| Average use per home | 852 kWh a month (US 872) |
| Average bill per home | $107.91 a month (US $143.64) |
Every year’s figure for Montana
| Year | Montana | US |
|---|---|---|
| 2025 | 13.0¢ | 17.3¢ |
| 2024 | 12.7¢ | 16.5¢ |
| 2023 | 12.5¢ | 16.0¢ |
| 2022 | 11.3¢ | 15.0¢ |
| 2021 | 11.2¢ | 13.7¢ |
| 2020 | 11.2¢ | 13.2¢ |
| 2019 | 11.1¢ | 13.0¢ |
| 2018 | 11.0¢ | 12.9¢ |
| 2017 | 11.0¢ | 12.9¢ |
| 2016 | 10.9¢ | 12.5¢ |
| 2015 | 10.9¢ | 12.7¢ |
| 2014 | 10.2¢ | 12.5¢ |
| 2013 | 10.3¢ | 12.1¢ |
| 2012 | 10.1¢ | 11.9¢ |
| 2011 | 9.8¢ | 11.7¢ |
| 2010 | 9.2¢ | 11.5¢ |
| 2009 | 8.9¢ | 11.5¢ |
| 2008 | 9.1¢ | 11.3¢ |
| 2007 | 8.8¢ | 10.7¢ |
| 2006 | 8.3¢ | 10.4¢ |
| 2005 | 8.1¢ | 9.4¢ |
| 2004 | 7.9¢ | 8.9¢ |
| 2003 | 7.6¢ | 8.7¢ |
| 2002 | 7.2¢ | 8.4¢ |
| 2001 | 6.9¢ | 8.6¢ |
Highest in January, $135; lowest in October, $84.
Every month’s bill in Montana
| Month | Average bill |
|---|---|
| January | $135 |
| February | $125 |
| March | $117 |
| April | $95 |
| May | $88 |
| June | $88 |
| July | $106 |
| August | $111 |
| September | $91 |
| October | $84 |
| November | $100 |
| December | $130 |
In the guides: Summer and winter bills, state by state
How Montana's plans are structured
Of 5 priceable plans: 1 tiered, 4 flat-rate.
Fixed monthly charges run from $7.00 to $42.92.
Who provides Montana's plans
These plans come from 2 utilities: Black Hills Power Inc (Montana), Flathead Electric Coop Inc.