Statistics
Page built 2026-11-05
Data as of 2026-08
Search
Built 2026-11-05 (5 November 2026)

Montana Electricity: Generation Mix and Retail Prices

Montana generated 26.7 TWh of electricity in 2025, 36% 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 August 2026; they are not real time.

Key Facts

  • Montana generated 26.7 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 36.0% of generation.
  • Hydro was the second largest source of Montana's electricity in 2025, at 31.6% of generation.
  • Montana's electricity generation rose from 24.2 TWh in 2001 to 26.7 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 12.99 US cents/kWh in 2025.
  • Montana generated 2.27 TWh of electricity in August 2026.

Key Figures

MeasureValueAs of / source
Total generation26.7 TWh2025 · EIA
Generation rank40 of 512025 · EIA
Average retail price, all sectors10.90 US cents/kWh2025 · EIA
Price rank, highest first38 of 512025 · EIA
Retail sales15.4 TWh2025 · EIA
Retail customers719,6952025 · EIA
Retail revenueUSD 1,673 million2025 · EIA

Generation Mix, 2025

SourceGenerationShare
Coal9.62 TWh36.0%
Hydro8.44 TWh31.6%
Wind6.23 TWh23.3%
Gas1.32 TWh4.9%
Oil468 GWh1.8%
Solar350 GWh1.3%
Other261 GWh1.0%
Bioenergy38.1 GWh0.1%
Other fossil2.91 GWh0.0%

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 2025
Montana electricity generation by source, 2001 to 2025 Montana's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were coal at 9.62 TWh, hydro at 8.44 TWh, wind at 6.23 TWh, gas at 1.32 TWh, oil at 468 GWh. 0 5 10 15 20 20012006201120162021
Montana's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were coal at 9.62 TWh, hydro at 8.44 TWh, wind at 6.23 TWh, gas at 1.32 TWh, oil at 468 GWh.
Annual statistics through 2025, TWh
Montana electricity generation by source, 2001 to 2025
YearCoalHydroWindGasOil
200117.0 TWh6.61 TWhn/a20.1 GWh498 GWh
200215.3 TWh9.57 TWhn/a16.7 GWh470 GWh
200317.0 TWh8.70 TWhn/a25.5 GWh402 GWh
200417.4 TWh8.86 TWhn/a28.0 GWh439 GWh
200517.8 TWh9.59 TWhn/a26.9 GWh415 GWh
200617.1 TWh10.1 TWh436 GWh67.6 GWh419 GWh
200718.4 TWh9.36 TWh496 GWh106 GWh479 GWh
200818.3 TWh10.00 TWh593 GWh65.7 GWh419 GWh
200915.6 TWh9.51 TWh821 GWh77.8 GWh490 GWh
201018.6 TWh9.41 TWh930 GWh57.1 GWh409 GWh
201115.1 TWh12.6 TWh1.27 TWh418 GWh461 GWh
201214.0 TWh11.3 TWh1.26 TWh464 GWh467 GWh
201314.9 TWh9.64 TWh1.75 TWh614 GWh462 GWh
201415.6 TWh11.5 TWh1.97 TWh515 GWh428 GWh
201516.0 TWh9.89 TWh1.96 TWh599 GWh496 GWh
201614.3 TWh10.1 TWh2.14 TWh476 GWh460 GWh
201713.9 TWh10.9 TWh2.15 TWh417 GWh459 GWh
201813.4 TWh11.4 TWh2.15 TWh476 GWh446 GWh
201914.1 TWh10.0 TWh2.37 TWh507 GWh465 GWh
20208.49 TWh10.7 TWh3.06 TWh291 GWh457 GWh
202110.9 TWh9.26 TWh3.47 TWh528 GWh451 GWh
202211.7 TWh9.89 TWh4.02 TWh729 GWh465 GWh
202311.6 TWh8.79 TWh4.56 TWh1.00 TWh491 GWh
20249.79 TWh9.22 TWh5.82 TWh995 GWh395 GWh
20259.62 TWh8.44 TWh6.23 TWh1.32 TWh468 GWh
YearGenerationLargest sourceAverage retail price
2025 26.7 TWh Coal 36.0% 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 2025
Montana average retail electricity price by sector, 2001 to 2025 Average retail electricity prices in Montana by customer sector, in US cents per kWh. In 2025 the all sector average was 10.90 US cents/kWh and residential customers paid 12.99 US cents/kWh. 0 4 8 11 15 20012006201120162021
Average retail electricity prices in Montana by customer sector, in US cents per kWh. In 2025 the all sector average was 10.90 US cents/kWh and residential customers paid 12.99 US cents/kWh.
Annual statistics through 2025, US cents/kWh
Montana average retail electricity price by sector, 2001 to 2025
YearAll sectorsResidentialCommercialIndustrial
20016.48 US cents/kWh6.88 US cents/kWh5.91 US cents/kWh6.59 US cents/kWh
20025.70 US cents/kWh7.23 US cents/kWh6.28 US cents/kWh3.71 US cents/kWh
20036.14 US cents/kWh7.56 US cents/kWh6.85 US cents/kWh4.03 US cents/kWh
20046.40 US cents/kWh7.86 US cents/kWh7.42 US cents/kWh4.15 US cents/kWh
20056.72 US cents/kWh8.10 US cents/kWh7.43 US cents/kWh4.83 US cents/kWh
20066.91 US cents/kWh8.28 US cents/kWh7.44 US cents/kWh5.12 US cents/kWh
20077.13 US cents/kWh8.77 US cents/kWh8.10 US cents/kWh5.16 US cents/kWh
20087.72 US cents/kWh9.13 US cents/kWh8.54 US cents/kWh5.90 US cents/kWh
20097.58 US cents/kWh8.94 US cents/kWh8.32 US cents/kWh5.46 US cents/kWh
20107.84 US cents/kWh9.16 US cents/kWh8.55 US cents/kWh5.55 US cents/kWh
20118.23 US cents/kWh9.75 US cents/kWh9.12 US cents/kWh5.27 US cents/kWh
20128.25 US cents/kWh10.08 US cents/kWh9.13 US cents/kWh5.10 US cents/kWh
20138.58 US cents/kWh10.33 US cents/kWh9.54 US cents/kWh5.43 US cents/kWh
20148.59 US cents/kWh10.18 US cents/kWh9.64 US cents/kWh5.49 US cents/kWh
20158.90 US cents/kWh10.88 US cents/kWh10.23 US cents/kWh5.32 US cents/kWh
20168.84 US cents/kWh10.94 US cents/kWh10.19 US cents/kWh5.06 US cents/kWh
20178.92 US cents/kWh10.95 US cents/kWh10.12 US cents/kWh5.25 US cents/kWh
20188.84 US cents/kWh10.96 US cents/kWh10.11 US cents/kWh5.19 US cents/kWh
20199.02 US cents/kWh11.13 US cents/kWh10.41 US cents/kWh5.45 US cents/kWh
20209.13 US cents/kWh11.24 US cents/kWh10.51 US cents/kWh5.18 US cents/kWh
20219.50 US cents/kWh11.22 US cents/kWh10.54 US cents/kWh6.24 US cents/kWh
20229.97 US cents/kWh11.33 US cents/kWh10.68 US cents/kWh7.49 US cents/kWh
202310.97 US cents/kWh12.54 US cents/kWh12.11 US cents/kWh7.80 US cents/kWh
202410.83 US cents/kWh12.66 US cents/kWh11.87 US cents/kWh7.59 US cents/kWh
202510.90 US cents/kWh12.99 US cents/kWh11.88 US cents/kWh7.03 US cents/kWh
Sector, 2025Average priceSalesCustomers
All sectors 10.90 US cents/kWh 15.4 TWh 719,695
Residential 12.99 US cents/kWh 5.79 TWh 565,902
Commercial 11.88 US cents/kWh 5.13 TWh 142,071
Industrial 7.03 US cents/kWh 4.43 TWh 11,722
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
MonthGenerationAverage price, all sectorsResidential price
August 2026 2.27 TWh 12.55 US cents/kWh 15.57 US cents/kWh
July 2026 2.22 TWh 12.33 US cents/kWh 14.99 US cents/kWh
June 2026 1.97 TWh 11.81 US cents/kWh 15.14 US cents/kWh
May 2026 1.80 TWh 11.86 US cents/kWh 14.67 US cents/kWh
April 2026 1.97 TWh 11.24 US cents/kWh 13.90 US cents/kWh
March 2026 2.32 TWh 11.12 US cents/kWh 13.47 US cents/kWh
February 2026 2.28 TWh 11.33 US cents/kWh 13.32 US cents/kWh
January 2026 2.89 TWh 11.18 US cents/kWh 12.85 US cents/kWh
December 2025 2.49 TWh 10.70 US cents/kWh 12.78 US cents/kWh
November 2025 2.39 TWh 10.65 US cents/kWh 12.82 US cents/kWh
October 2025 2.20 TWh 11.39 US cents/kWh 14.27 US cents/kWh
September 2025 1.94 TWh 11.73 US cents/kWh 14.64 US cents/kWh

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of August 2026.

Cite this page
APA 7

World Power Monitor. (2026). Montana Electricity: Generation Mix and Retail Prices. https://worldpowermonitor.com/us/montana/

Plain text

World Power Monitor. Montana Electricity: Generation Mix and Retail Prices. Data as of 2026-08. Data from U.S. Energy Information Administration. https://worldpowermonitor.com/us/montana/

BibTeX 
@misc{wpm_us_montana_2026,
  title = {{Montana Electricity: Generation Mix and Retail Prices}},
  author = {{World Power Monitor}},
  year = {2026},
  note = {Data as of 2026-08. Data from U.S. Energy Information Administration.},
  url = {https://worldpowermonitor.com/us/montana/}
}

Permalink: https://worldpowermonitor.com/us/montana/

The Copy buttons add today's date as the access date.