Idaho Electricity: Generation Mix and Retail Prices
Idaho generated 20.8 TWh of electricity in 2025, 47% of it from hydro. The average retail price was 9.74 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through June 2026; they are not real time.
Key Facts
- Idaho generated 20.8 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 46.8% of generation.
- Gas was the second largest source of Idaho's electricity in 2025, at 27.5% of generation.
- Idaho's electricity generation rose from 9.35 TWh in 2001 to 20.8 TWh in 2025.
- The average retail price of electricity in Idaho was 9.74 US cents/kWh in 2025, the 46th highest of the 51 states and DC.
- Residential customers in Idaho paid an average of 11.82 US cents/kWh in 2025.
- Idaho generated 2.10 TWh of electricity in June 2026.
Key Figures
| Measure | Value | As of / source |
|---|---|---|
| Total generation | 20.8 TWh | 2025 · EIA |
| Generation rank | 43 of 51 | 2025 · EIA |
| Average retail price, all sectors | 9.74 US cents/kWh | 2025 · EIA |
| Price rank, highest first | 46 of 51 | 2025 · EIA |
| Retail sales | 26.8 TWh | 2025 · EIA |
| Retail customers | 1,054,512 | 2025 · EIA |
| Retail revenue | USD 2,609 million | 2025 · EIA |
Generation Mix, 2025
| Source | Generation | Share |
|---|---|---|
| Hydro | 9.72 TWh | 46.8% |
| Gas | 5.71 TWh | 27.5% |
| Wind | 3.10 TWh | 14.9% |
| Solar | 1.62 TWh | 7.8% |
| Bioenergy | 509 GWh | 2.5% |
| Geothermal | 82.1 GWh | 0.4% |
| Other | 26.7 GWh | 0.1% |
| Oil | 0.11 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 | Hydro | Gas | Wind | Solar | Bioenergy |
|---|---|---|---|---|---|
| 2001 | 7.22 TWh | 1.41 TWh | n/a | n/a | 533 GWh |
| 2002 | 8.77 TWh | 329 GWh | n/a | n/a | 508 GWh |
| 2003 | 8.35 TWh | 1.37 TWh | n/a | n/a | 541 GWh |
| 2004 | 8.46 TWh | 1.70 TWh | n/a | n/a | 560 GWh |
| 2005 | 8.54 TWh | 1.60 TWh | n/a | n/a | 560 GWh |
| 2006 | 11.2 TWh | 1.30 TWh | 170 GWh | n/a | 520 GWh |
| 2007 | 9.02 TWh | 1.66 TWh | 172 GWh | n/a | 481 GWh |
| 2008 | 9.36 TWh | 1.70 TWh | 207 GWh | n/a | 455 GWh |
| 2009 | 10.4 TWh | 1.64 TWh | 313 GWh | n/a | 478 GWh |
| 2010 | 9.15 TWh | 1.69 TWh | 441 GWh | n/a | 501 GWh |
| 2011 | 13.4 TWh | 1.11 TWh | 1.31 TWh | n/a | 522 GWh |
| 2012 | 10.9 TWh | 1.90 TWh | 1.89 TWh | n/a | 549 GWh |
| 2013 | 8.47 TWh | 3.39 TWh | 2.46 TWh | n/a | 652 GWh |
| 2014 | 9.00 TWh | 2.55 TWh | 2.81 TWh | n/a | 593 GWh |
| 2015 | 8.76 TWh | 3.80 TWh | 2.27 TWh | n/a | 601 GWh |
| 2016 | 9.03 TWh | 3.32 TWh | 2.58 TWh | 29.8 GWh | 532 GWh |
| 2017 | 10.7 TWh | 3.08 TWh | 2.54 TWh | 459 GWh | 465 GWh |
| 2018 | 11.0 TWh | 3.28 TWh | 2.66 TWh | 556 GWh | 491 GWh |
| 2019 | 10.3 TWh | 4.27 TWh | 2.55 TWh | 557 GWh | 518 GWh |
| 2020 | 9.51 TWh | 4.16 TWh | 2.77 TWh | 566 GWh | 521 GWh |
| 2021 | 8.00 TWh | 4.94 TWh | 2.68 TWh | 565 GWh | 490 GWh |
| 2022 | 8.36 TWh | 4.34 TWh | 2.44 TWh | 533 GWh | 460 GWh |
| 2023 | 8.38 TWh | 5.69 TWh | 2.32 TWh | 854 GWh | 444 GWh |
| 2024 | 9.15 TWh | 6.29 TWh | 3.02 TWh | 1.02 TWh | 405 GWh |
| 2025 | 9.72 TWh | 5.71 TWh | 3.10 TWh | 1.62 TWh | 509 GWh |
| Year | Generation | Largest source | Average retail price |
|---|---|---|---|
| 2025 | 20.8 TWh | Hydro 46.8% | 9.74 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 2025Annual statistics through 2025, US cents/kWh
| Year | All sectors | Residential | Commercial | Industrial |
|---|---|---|---|---|
| 2001 | 4.92 US cents/kWh | 6.01 US cents/kWh | 5.13 US cents/kWh | 3.71 US cents/kWh |
| 2002 | 5.58 US cents/kWh | 6.59 US cents/kWh | 5.71 US cents/kWh | 4.34 US cents/kWh |
| 2003 | 5.22 US cents/kWh | 6.24 US cents/kWh | 5.56 US cents/kWh | 4.16 US cents/kWh |
| 2004 | 4.97 US cents/kWh | 6.10 US cents/kWh | 5.37 US cents/kWh | 3.82 US cents/kWh |
| 2005 | 5.12 US cents/kWh | 6.29 US cents/kWh | 5.42 US cents/kWh | 3.91 US cents/kWh |
| 2006 | 4.92 US cents/kWh | 6.21 US cents/kWh | 5.16 US cents/kWh | 3.61 US cents/kWh |
| 2007 | 5.07 US cents/kWh | 6.36 US cents/kWh | 5.14 US cents/kWh | 3.87 US cents/kWh |
| 2008 | 5.69 US cents/kWh | 6.99 US cents/kWh | 5.72 US cents/kWh | 4.48 US cents/kWh |
| 2009 | 6.51 US cents/kWh | 7.80 US cents/kWh | 6.49 US cents/kWh | 5.17 US cents/kWh |
| 2010 | 6.54 US cents/kWh | 7.99 US cents/kWh | 6.64 US cents/kWh | 5.15 US cents/kWh |
| 2011 | 6.44 US cents/kWh | 7.87 US cents/kWh | 6.41 US cents/kWh | 5.10 US cents/kWh |
| 2012 | 6.92 US cents/kWh | 8.67 US cents/kWh | 6.86 US cents/kWh | 5.48 US cents/kWh |
| 2013 | 7.57 US cents/kWh | 9.32 US cents/kWh | 7.37 US cents/kWh | 6.09 US cents/kWh |
| 2014 | 7.93 US cents/kWh | 9.72 US cents/kWh | 7.78 US cents/kWh | 6.40 US cents/kWh |
| 2015 | 8.09 US cents/kWh | 9.93 US cents/kWh | 7.80 US cents/kWh | 6.60 US cents/kWh |
| 2016 | 8.08 US cents/kWh | 9.95 US cents/kWh | 7.76 US cents/kWh | 6.55 US cents/kWh |
| 2017 | 8.26 US cents/kWh | 10.04 US cents/kWh | 7.98 US cents/kWh | 6.66 US cents/kWh |
| 2018 | 8.17 US cents/kWh | 10.15 US cents/kWh | 7.93 US cents/kWh | 6.47 US cents/kWh |
| 2019 | 7.89 US cents/kWh | 9.89 US cents/kWh | 7.67 US cents/kWh | 6.08 US cents/kWh |
| 2020 | 7.99 US cents/kWh | 9.95 US cents/kWh | 7.75 US cents/kWh | 6.23 US cents/kWh |
| 2021 | 8.17 US cents/kWh | 10.16 US cents/kWh | 7.89 US cents/kWh | 6.39 US cents/kWh |
| 2022 | 8.51 US cents/kWh | 10.37 US cents/kWh | 8.27 US cents/kWh | 6.71 US cents/kWh |
| 2023 | 9.08 US cents/kWh | 11.05 US cents/kWh | 8.78 US cents/kWh | 7.17 US cents/kWh |
| 2024 | 9.51 US cents/kWh | 11.52 US cents/kWh | 9.17 US cents/kWh | 7.69 US cents/kWh |
| 2025 | 9.74 US cents/kWh | 11.82 US cents/kWh | 9.25 US cents/kWh | 7.98 US cents/kWh |
| Sector, 2025 | Average price | Sales | Customers |
|---|---|---|---|
| All sectors | 9.74 US cents/kWh | 26.8 TWh | 1,054,512 |
| Residential | 11.82 US cents/kWh | 9.94 TWh | 897,682 |
| Commercial | 9.25 US cents/kWh | 7.03 TWh | 127,050 |
| Industrial | 7.98 US cents/kWh | 9.84 TWh | 29,780 |
| 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 | 2.10 TWh | 11.33 US cents/kWh | 14.37 US cents/kWh |
| May 2026 | 1.96 TWh | 9.22 US cents/kWh | 12.35 US cents/kWh |
| April 2026 | 1.78 TWh | 9.89 US cents/kWh | 12.70 US cents/kWh |
| March 2026 | 1.96 TWh | 10.28 US cents/kWh | 13.01 US cents/kWh |
| February 2026 | 1.90 TWh | 10.14 US cents/kWh | 12.63 US cents/kWh |
| January 2026 | 2.25 TWh | 9.83 US cents/kWh | 12.07 US cents/kWh |
| December 2025 | 2.12 TWh | 9.63 US cents/kWh | 11.87 US cents/kWh |
| November 2025 | 1.66 TWh | 10.04 US cents/kWh | 12.25 US cents/kWh |
| October 2025 | 1.45 TWh | 9.32 US cents/kWh | 12.46 US cents/kWh |
| September 2025 | 1.49 TWh | 10.34 US cents/kWh | 12.50 US cents/kWh |
| August 2025 | 1.82 TWh | 9.86 US cents/kWh | 12.08 US cents/kWh |
| July 2025 | 1.82 TWh | 9.83 US cents/kWh | 12.28 US cents/kWh |
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of June 2026.