Montana Electricity: Generation Mix and Retail Prices
Montana generated 28.5 TWh of electricity in 2025, 35% of it from coal. The average retail price was 10.90 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through June 2026; they are not real time.
Key Facts
- Montana generated 28.5 TWh of electricity in 2025, the 40th most of the 51 states and DC.
- Coal was the largest source of Montana's electricity in 2025, at 35.2% of generation.
- Hydro was the second largest source of Montana's electricity in 2025, at 34.3% of generation.
- Montana's electricity generation rose from 24.2 TWh in 2001 to 28.5 TWh in 2025.
- The average retail price of electricity in Montana was 10.90 US cents/kWh in 2025, the 38th highest of the 51 states and DC.
- Residential customers in Montana paid an average of 12.98 US cents/kWh in 2025.
- Montana generated 2.23 TWh of electricity in June 2026.
Key Figures
| Measure | Value | As of / source |
|---|---|---|
| Total generation | 28.5 TWh | 2025 · EIA |
| Generation rank | 40 of 51 | 2025 · EIA |
| Average retail price, all sectors | 10.90 US cents/kWh | 2025 · EIA |
| Price rank, highest first | 38 of 51 | 2025 · EIA |
| Retail sales | 15.4 TWh | 2025 · EIA |
| Retail customers | 724,140 | 2025 · EIA |
| Retail revenue | USD 1,675 million | 2025 · EIA |
Generation Mix, 2025
| Source | Generation | Share |
|---|---|---|
| Coal | 10.0 TWh | 35.2% |
| Hydro | 9.79 TWh | 34.3% |
| Wind | 6.25 TWh | 21.9% |
| Gas | 1.32 TWh | 4.6% |
| Oil | 468 GWh | 1.6% |
| Solar | 348 GWh | 1.2% |
| Other | 261 GWh | 0.9% |
| Bioenergy | 37.5 GWh | 0.1% |
| Other fossil | 2.91 GWh | 0.0% |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025. Utility scale generation, all sectors; small scale solar is not included.
Year by Year
EIA annual statistics, 2001 to 2025Annual statistics through 2025, TWh
| Year | Coal | Hydro | Wind | Gas | Oil |
|---|---|---|---|---|---|
| 2001 | 17.0 TWh | 6.61 TWh | n/a | 20.1 GWh | 498 GWh |
| 2002 | 15.3 TWh | 9.57 TWh | n/a | 16.7 GWh | 470 GWh |
| 2003 | 17.0 TWh | 8.70 TWh | n/a | 25.5 GWh | 402 GWh |
| 2004 | 17.4 TWh | 8.86 TWh | n/a | 28.0 GWh | 439 GWh |
| 2005 | 17.8 TWh | 9.59 TWh | n/a | 26.9 GWh | 415 GWh |
| 2006 | 17.1 TWh | 10.1 TWh | 436 GWh | 67.6 GWh | 419 GWh |
| 2007 | 18.4 TWh | 9.36 TWh | 496 GWh | 106 GWh | 479 GWh |
| 2008 | 18.3 TWh | 10.00 TWh | 593 GWh | 65.7 GWh | 419 GWh |
| 2009 | 15.6 TWh | 9.51 TWh | 821 GWh | 77.8 GWh | 490 GWh |
| 2010 | 18.6 TWh | 9.41 TWh | 930 GWh | 57.1 GWh | 409 GWh |
| 2011 | 15.1 TWh | 12.6 TWh | 1.27 TWh | 418 GWh | 461 GWh |
| 2012 | 14.0 TWh | 11.3 TWh | 1.26 TWh | 464 GWh | 467 GWh |
| 2013 | 14.9 TWh | 9.64 TWh | 1.75 TWh | 614 GWh | 462 GWh |
| 2014 | 15.6 TWh | 11.5 TWh | 1.97 TWh | 515 GWh | 428 GWh |
| 2015 | 16.0 TWh | 9.89 TWh | 1.96 TWh | 599 GWh | 496 GWh |
| 2016 | 14.3 TWh | 10.1 TWh | 2.14 TWh | 476 GWh | 460 GWh |
| 2017 | 13.9 TWh | 10.9 TWh | 2.15 TWh | 417 GWh | 459 GWh |
| 2018 | 13.4 TWh | 11.4 TWh | 2.15 TWh | 476 GWh | 446 GWh |
| 2019 | 14.1 TWh | 10.0 TWh | 2.37 TWh | 507 GWh | 465 GWh |
| 2020 | 8.49 TWh | 10.7 TWh | 3.06 TWh | 291 GWh | 457 GWh |
| 2021 | 10.9 TWh | 9.26 TWh | 3.47 TWh | 528 GWh | 451 GWh |
| 2022 | 11.7 TWh | 9.89 TWh | 4.02 TWh | 729 GWh | 465 GWh |
| 2023 | 11.6 TWh | 8.79 TWh | 4.56 TWh | 1.00 TWh | 491 GWh |
| 2024 | 9.79 TWh | 9.22 TWh | 5.82 TWh | 995 GWh | 395 GWh |
| 2025 | 10.0 TWh | 9.79 TWh | 6.25 TWh | 1.32 TWh | 468 GWh |
| Year | Generation | Largest source | Average retail price |
|---|---|---|---|
| 2025 | 28.5 TWh | Coal 35.2% | 10.90 US cents/kWh |
| 2024 | 26.9 TWh | Coal 36.4% | 10.83 US cents/kWh |
| 2023 | 26.9 TWh | Coal 43.0% | 10.97 US cents/kWh |
| 2022 | 27.1 TWh | Coal 43.0% | 9.97 US cents/kWh |
| 2021 | 24.9 TWh | Coal 43.6% | 9.50 US cents/kWh |
| 2020 | 23.4 TWh | Hydro 46.0% | 9.13 US cents/kWh |
| 2019 | 27.8 TWh | Coal 50.7% | 9.02 US cents/kWh |
| 2018 | 28.2 TWh | Coal 47.4% | 8.84 US cents/kWh |
| 2017 | 28.2 TWh | Coal 49.1% | 8.92 US cents/kWh |
| 2016 | 27.8 TWh | Coal 51.4% | 8.84 US cents/kWh |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.
Retail Electricity Prices
Average revenue per kWh sold, 2001 to 2025Annual statistics through 2025, US cents/kWh
| Year | All sectors | Residential | Commercial | Industrial |
|---|---|---|---|---|
| 2001 | 6.48 US cents/kWh | 6.88 US cents/kWh | 5.91 US cents/kWh | 6.59 US cents/kWh |
| 2002 | 5.70 US cents/kWh | 7.23 US cents/kWh | 6.28 US cents/kWh | 3.71 US cents/kWh |
| 2003 | 6.14 US cents/kWh | 7.56 US cents/kWh | 6.85 US cents/kWh | 4.03 US cents/kWh |
| 2004 | 6.40 US cents/kWh | 7.86 US cents/kWh | 7.42 US cents/kWh | 4.15 US cents/kWh |
| 2005 | 6.72 US cents/kWh | 8.10 US cents/kWh | 7.43 US cents/kWh | 4.83 US cents/kWh |
| 2006 | 6.91 US cents/kWh | 8.28 US cents/kWh | 7.44 US cents/kWh | 5.12 US cents/kWh |
| 2007 | 7.13 US cents/kWh | 8.77 US cents/kWh | 8.10 US cents/kWh | 5.16 US cents/kWh |
| 2008 | 7.72 US cents/kWh | 9.13 US cents/kWh | 8.54 US cents/kWh | 5.90 US cents/kWh |
| 2009 | 7.58 US cents/kWh | 8.94 US cents/kWh | 8.32 US cents/kWh | 5.46 US cents/kWh |
| 2010 | 7.84 US cents/kWh | 9.16 US cents/kWh | 8.55 US cents/kWh | 5.55 US cents/kWh |
| 2011 | 8.23 US cents/kWh | 9.75 US cents/kWh | 9.12 US cents/kWh | 5.27 US cents/kWh |
| 2012 | 8.25 US cents/kWh | 10.08 US cents/kWh | 9.13 US cents/kWh | 5.10 US cents/kWh |
| 2013 | 8.58 US cents/kWh | 10.33 US cents/kWh | 9.54 US cents/kWh | 5.43 US cents/kWh |
| 2014 | 8.59 US cents/kWh | 10.18 US cents/kWh | 9.64 US cents/kWh | 5.49 US cents/kWh |
| 2015 | 8.90 US cents/kWh | 10.88 US cents/kWh | 10.23 US cents/kWh | 5.32 US cents/kWh |
| 2016 | 8.84 US cents/kWh | 10.94 US cents/kWh | 10.19 US cents/kWh | 5.06 US cents/kWh |
| 2017 | 8.92 US cents/kWh | 10.95 US cents/kWh | 10.12 US cents/kWh | 5.25 US cents/kWh |
| 2018 | 8.84 US cents/kWh | 10.96 US cents/kWh | 10.11 US cents/kWh | 5.19 US cents/kWh |
| 2019 | 9.02 US cents/kWh | 11.13 US cents/kWh | 10.41 US cents/kWh | 5.45 US cents/kWh |
| 2020 | 9.13 US cents/kWh | 11.24 US cents/kWh | 10.51 US cents/kWh | 5.18 US cents/kWh |
| 2021 | 9.50 US cents/kWh | 11.22 US cents/kWh | 10.54 US cents/kWh | 6.24 US cents/kWh |
| 2022 | 9.97 US cents/kWh | 11.33 US cents/kWh | 10.68 US cents/kWh | 7.49 US cents/kWh |
| 2023 | 10.97 US cents/kWh | 12.54 US cents/kWh | 12.11 US cents/kWh | 7.80 US cents/kWh |
| 2024 | 10.83 US cents/kWh | 12.66 US cents/kWh | 11.87 US cents/kWh | 7.59 US cents/kWh |
| 2025 | 10.90 US cents/kWh | 12.98 US cents/kWh | 11.88 US cents/kWh | 7.02 US cents/kWh |
| Sector, 2025 | Average price | Sales | Customers |
|---|---|---|---|
| All sectors | 10.90 US cents/kWh | 15.4 TWh | 724,140 |
| Residential | 12.98 US cents/kWh | 5.80 TWh | 570,897 |
| Commercial | 11.88 US cents/kWh | 5.15 TWh | 141,831 |
| Industrial | 7.02 US cents/kWh | 4.42 TWh | 11,412 |
| Transportation | 0.00 US cents/kWh | 0 TWh | 0 |
Prices are average revenue per kWh sold, including delivery charges and taxes collected by utilities, in nominal US cents.
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.
Month by Month
EIA monthly statistics, preliminary for recent months| Month | Generation | Average price, all sectors | Residential price |
|---|---|---|---|
| June 2026 | 2.23 TWh | 11.81 US cents/kWh | 15.14 US cents/kWh |
| May 2026 | 2.05 TWh | 11.86 US cents/kWh | 14.67 US cents/kWh |
| April 2026 | 2.19 TWh | 11.24 US cents/kWh | 13.90 US cents/kWh |
| March 2026 | 2.46 TWh | 11.12 US cents/kWh | 13.48 US cents/kWh |
| February 2026 | 2.42 TWh | 11.33 US cents/kWh | 13.33 US cents/kWh |
| January 2026 | 3.13 TWh | 11.18 US cents/kWh | 12.86 US cents/kWh |
| December 2025 | 2.64 TWh | 10.70 US cents/kWh | 12.77 US cents/kWh |
| November 2025 | 2.61 TWh | 10.65 US cents/kWh | 12.82 US cents/kWh |
| October 2025 | 2.46 TWh | 11.39 US cents/kWh | 14.27 US cents/kWh |
| September 2025 | 1.94 TWh | 11.74 US cents/kWh | 14.64 US cents/kWh |
| August 2025 | 2.52 TWh | 11.59 US cents/kWh | 14.28 US cents/kWh |
| July 2025 | 2.47 TWh | 11.76 US cents/kWh | 14.27 US cents/kWh |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of June 2026.