Average monthly bill
Full bill breakdown →13.75¢/kWh × 824 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to May 2026 — the 47th highest among the 50 states and DC.
Compared with the U.S. and neighboring states
| Montana | $113 | |
|---|---|---|
| U.S. average | $155 | |
| South Dakota | $138 | |
| North Dakota | $130 | |
| Wyoming | $114 | |
| Idaho | $111 |
Montana is $42 a month below (-27.2%) the U.S. average of $155. Average monthly bill, June 2025 – May 2026.
How Montana makes its electricity
Fuel mix & 10-year trend →Power plants →| Source | Share | Generation |
|---|---|---|
| Natural gas | 4.2% | 1,218 GWh |
| Coal | 31.1% | 8,994 GWh |
| Nuclear | 0.0% | 0 GWh |
| Wind | 22.8% | 6,604 GWh |
| Solar | 1.1% | 313 GWh |
| Hydro | 38.2% | 11,052 GWh |
| Other | 2.6% | 746 GWh |
28.9 TWh of net generation over the 12 months to May 2026. Generation, not consumption — power crosses state lines.
Montana electricity prices in context
Residential electricity in Montana costs 14.67¢/kWh as of May 2026, ranking it 39th among the 50 states and DC where prices are highest. This is 3.77¢/kWh below the national average of 18.44¢/kWh, making it 20.5% cheaper than the US overall. Among bordering states, Montana's rate falls in the middle: Idaho is lower at 12.35¢/kWh, North Dakota slightly lower at 13.61¢/kWh, and Wyoming and South Dakota both higher at 14.80¢/kWh and 15.73¢/kWh respectively.
Over the past five years since May 2021, Montana's residential rate has risen 30.1%, from 11.28¢/kWh. The two-decade trend is steeper: since May 2006, the rate has climbed 77.8%, from 8.25¢/kWh. Over the full span since records began in January 2001, electricity has nearly doubled, jumping 127.8% from 6.44¢/kWh. The current rate sits just below the state's record high of 14.81¢/kWh set in June 2025, and far above the record low of 6.31¢/kWh in April 2001.
The typical Montana household pays $113 monthly on 824 kWh of usage. The national average bill is $155 monthly on 871 kWh. Montana residents use slightly less electricity but pay substantially less overall. Commercial rates in Montana are 13.24¢/kWh and industrial rates 6.97¢/kWh.
Written from the EIA figures on this page, covering data through May 2026.
12-month trend
Residential history since 2001
- Jan '01
- 6.44¢
- Now
- 14.67¢
- Change
- ▲ 127.8%
- Range
- 6.31–14.81¢
Recent months
| Month | Residential | Commercial | Industrial |
|---|---|---|---|
| May 2026 | 14.67 | 13.24 | 6.97 |
| April 2026 | 13.90 | 12.66 | 5.99 |
| March 2026 | 13.48 | 12.42 | 5.99 |
| February 2026 | 13.33 | 12.52 | 6.90 |
| January 2026 | 12.86 | 11.84 | 7.41 |
| December 2025 | 12.77 | 11.62 | 6.34 |
| November 2025 | 12.82 | 11.68 | 6.88 |
| October 2025 | 14.27 | 12.62 | 6.97 |
| September 2025 | 14.64 | 12.94 | 7.32 |
| August 2025 | 14.28 | 12.55 | 7.41 |
| July 2025 | 14.27 | 12.83 | 7.71 |
| June 2025 | 14.81 | 13.16 | 7.50 |
Prices in ¢/kWh.