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

Idaho Electricity: Generation Mix and Retail Prices

Idaho generated 20.3 TWh of electricity in 2025, 44% of it from hydro. The average retail price was 9.72 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through August 2026; they are not real time.

Key Facts

  • Idaho generated 20.3 TWh of electricity in 2025, the 43rd most of the 51 states and DC.
  • Hydro was the largest source of Idaho's electricity in 2025, at 43.6% of generation.
  • Gas was the second largest source of Idaho's electricity in 2025, at 31.4% of generation.
  • Idaho's electricity generation rose from 9.35 TWh in 2001 to 20.3 TWh in 2025.
  • The average retail price of electricity in Idaho was 9.72 US cents/kWh in 2025, the 45th highest of the 51 states and DC.
  • Residential customers in Idaho paid an average of 11.83 US cents/kWh in 2025.
  • Idaho generated 1.75 TWh of electricity in August 2026.

Key Figures

MeasureValueAs of / source
Total generation20.3 TWh2025 · EIA
Generation rank43 of 512025 · EIA
Average retail price, all sectors9.72 US cents/kWh2025 · EIA
Price rank, highest first45 of 512025 · EIA
Retail sales26.8 TWh2025 · EIA
Retail customers1,043,5332025 · EIA
Retail revenueUSD 2,605 million2025 · EIA

Generation Mix, 2025

SourceGenerationShare
Hydro8.85 TWh43.6%
Gas6.36 TWh31.4%
Wind2.83 TWh13.9%
Solar1.63 TWh8.0%
Bioenergy502 GWh2.5%
Geothermal88.1 GWh0.4%
Other25.9 GWh0.1%
Oil0.17 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
Idaho electricity generation by source, 2001 to 2025 Idaho's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were hydro at 8.85 TWh, gas at 6.36 TWh, wind at 2.83 TWh, solar at 1.63 TWh, bioenergy at 502 GWh. 0 4 8 11 15 20012006201120162021
Idaho's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were hydro at 8.85 TWh, gas at 6.36 TWh, wind at 2.83 TWh, solar at 1.63 TWh, bioenergy at 502 GWh.
Annual statistics through 2025, TWh
Idaho electricity generation by source, 2001 to 2025
YearHydroGasWindSolarBioenergy
20017.22 TWh1.41 TWhn/an/a533 GWh
20028.77 TWh329 GWhn/an/a508 GWh
20038.35 TWh1.37 TWhn/an/a541 GWh
20048.46 TWh1.70 TWhn/an/a560 GWh
20058.54 TWh1.60 TWhn/an/a560 GWh
200611.2 TWh1.30 TWh170 GWhn/a520 GWh
20079.02 TWh1.66 TWh172 GWhn/a481 GWh
20089.36 TWh1.70 TWh207 GWhn/a455 GWh
200910.4 TWh1.64 TWh313 GWhn/a478 GWh
20109.15 TWh1.69 TWh441 GWhn/a501 GWh
201113.4 TWh1.11 TWh1.31 TWhn/a522 GWh
201210.9 TWh1.90 TWh1.89 TWhn/a549 GWh
20138.47 TWh3.39 TWh2.46 TWhn/a652 GWh
20149.00 TWh2.55 TWh2.81 TWhn/a593 GWh
20158.76 TWh3.80 TWh2.27 TWhn/a601 GWh
20169.03 TWh3.32 TWh2.58 TWh29.8 GWh532 GWh
201710.7 TWh3.08 TWh2.54 TWh459 GWh465 GWh
201811.0 TWh3.28 TWh2.66 TWh556 GWh491 GWh
201910.3 TWh4.27 TWh2.55 TWh557 GWh518 GWh
20209.51 TWh4.16 TWh2.77 TWh566 GWh521 GWh
20218.00 TWh4.94 TWh2.68 TWh565 GWh490 GWh
20228.36 TWh4.34 TWh2.44 TWh533 GWh460 GWh
20238.38 TWh5.69 TWh2.32 TWh854 GWh444 GWh
20249.15 TWh6.29 TWh3.02 TWh1.02 TWh405 GWh
20258.85 TWh6.36 TWh2.83 TWh1.63 TWh502 GWh
YearGenerationLargest sourceAverage retail price
2025 20.3 TWh Hydro 43.6% 9.72 US cents/kWh
2024 20.0 TWh Hydro 45.7% 9.51 US cents/kWh
2023 17.8 TWh Hydro 47.0% 9.08 US cents/kWh
2022 16.3 TWh Hydro 51.4% 8.51 US cents/kWh
2021 16.8 TWh Hydro 47.5% 8.17 US cents/kWh
2020 17.7 TWh Hydro 53.8% 7.99 US cents/kWh
2019 18.4 TWh Hydro 56.1% 7.89 US cents/kWh
2018 18.2 TWh Hydro 60.7% 8.17 US cents/kWh
2017 17.4 TWh Hydro 61.3% 8.26 US cents/kWh
2016 15.7 TWh Hydro 57.7% 8.08 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
Idaho average retail electricity price by sector, 2001 to 2025 Average retail electricity prices in Idaho by customer sector, in US cents per kWh. In 2025 the all sector average was 9.72 US cents/kWh and residential customers paid 11.83 US cents/kWh. 0 3 6 9 12 20012006201120162021
Average retail electricity prices in Idaho by customer sector, in US cents per kWh. In 2025 the all sector average was 9.72 US cents/kWh and residential customers paid 11.83 US cents/kWh.
Annual statistics through 2025, US cents/kWh
Idaho average retail electricity price by sector, 2001 to 2025
YearAll sectorsResidentialCommercialIndustrial
20014.92 US cents/kWh6.01 US cents/kWh5.13 US cents/kWh3.71 US cents/kWh
20025.58 US cents/kWh6.59 US cents/kWh5.71 US cents/kWh4.34 US cents/kWh
20035.22 US cents/kWh6.24 US cents/kWh5.56 US cents/kWh4.16 US cents/kWh
20044.97 US cents/kWh6.10 US cents/kWh5.37 US cents/kWh3.82 US cents/kWh
20055.12 US cents/kWh6.29 US cents/kWh5.42 US cents/kWh3.91 US cents/kWh
20064.92 US cents/kWh6.21 US cents/kWh5.16 US cents/kWh3.61 US cents/kWh
20075.07 US cents/kWh6.36 US cents/kWh5.14 US cents/kWh3.87 US cents/kWh
20085.69 US cents/kWh6.99 US cents/kWh5.72 US cents/kWh4.48 US cents/kWh
20096.51 US cents/kWh7.80 US cents/kWh6.49 US cents/kWh5.17 US cents/kWh
20106.54 US cents/kWh7.99 US cents/kWh6.64 US cents/kWh5.15 US cents/kWh
20116.44 US cents/kWh7.87 US cents/kWh6.41 US cents/kWh5.10 US cents/kWh
20126.92 US cents/kWh8.67 US cents/kWh6.86 US cents/kWh5.48 US cents/kWh
20137.57 US cents/kWh9.32 US cents/kWh7.37 US cents/kWh6.09 US cents/kWh
20147.93 US cents/kWh9.72 US cents/kWh7.78 US cents/kWh6.40 US cents/kWh
20158.09 US cents/kWh9.93 US cents/kWh7.80 US cents/kWh6.60 US cents/kWh
20168.08 US cents/kWh9.95 US cents/kWh7.76 US cents/kWh6.55 US cents/kWh
20178.26 US cents/kWh10.04 US cents/kWh7.98 US cents/kWh6.66 US cents/kWh
20188.17 US cents/kWh10.15 US cents/kWh7.93 US cents/kWh6.47 US cents/kWh
20197.89 US cents/kWh9.89 US cents/kWh7.67 US cents/kWh6.08 US cents/kWh
20207.99 US cents/kWh9.95 US cents/kWh7.75 US cents/kWh6.23 US cents/kWh
20218.17 US cents/kWh10.16 US cents/kWh7.89 US cents/kWh6.39 US cents/kWh
20228.51 US cents/kWh10.37 US cents/kWh8.27 US cents/kWh6.71 US cents/kWh
20239.08 US cents/kWh11.05 US cents/kWh8.78 US cents/kWh7.17 US cents/kWh
20249.51 US cents/kWh11.52 US cents/kWh9.17 US cents/kWh7.69 US cents/kWh
20259.72 US cents/kWh11.83 US cents/kWh9.29 US cents/kWh7.88 US cents/kWh
Sector, 2025Average priceSalesCustomers
All sectors 9.72 US cents/kWh 26.8 TWh 1,043,533
Residential 11.83 US cents/kWh 9.94 TWh 887,745
Commercial 9.29 US cents/kWh 7.09 TWh 125,960
Industrial 7.88 US cents/kWh 9.78 TWh 29,828
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 1.75 TWh 11.09 US cents/kWh 13.37 US cents/kWh
July 2026 1.88 TWh 10.87 US cents/kWh 13.73 US cents/kWh
June 2026 1.94 TWh 11.33 US cents/kWh 14.37 US cents/kWh
May 2026 1.80 TWh 9.22 US cents/kWh 12.35 US cents/kWh
April 2026 1.63 TWh 9.89 US cents/kWh 12.70 US cents/kWh
March 2026 1.90 TWh 10.28 US cents/kWh 13.00 US cents/kWh
February 2026 1.85 TWh 10.14 US cents/kWh 12.63 US cents/kWh
January 2026 2.13 TWh 9.83 US cents/kWh 12.06 US cents/kWh
December 2025 1.60 TWh 9.64 US cents/kWh 11.88 US cents/kWh
November 2025 1.25 TWh 10.05 US cents/kWh 12.25 US cents/kWh
October 2025 1.35 TWh 9.33 US cents/kWh 12.46 US cents/kWh
September 2025 1.64 TWh 10.35 US cents/kWh 12.50 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). Idaho Electricity: Generation Mix and Retail Prices. https://worldpowermonitor.com/us/idaho/

Plain text

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

BibTeX 
@misc{wpm_us_idaho_2026,
  title = {{Idaho 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/idaho/}
}

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

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