Hydro Power in Idaho
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
9,718 thousand MWh
Share of state power mix
46.8%
National rank (hydro output)
#6
U.S. average share
5.58%
Hydro share of Idaho's power mix over time
2001: 77.28% → 2025: 46.8%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 9,718 | 46.8% |
| 2024 | 9,150 | 45.67% |
| 2023 | 8,378 | 46.95% |
| 2022 | 8,360 | 51.35% |
| 2021 | 7,995 | 47.49% |
| 2020 | 9,508 | 53.76% |
| 2019 | 10,333 | 56.14% |
| 2018 | 11,024 | 60.67% |
| 2017 | 10,670 | 61.34% |
| 2016 | 9,033 | 57.68% |
| 2015 | 8,757 | 55.89% |
| 2014 | 9,002 | 59.29% |
| 2013 | 8,473 | 55.8% |
| 2012 | 10,940 | 70.59% |
| 2011 | 13,405 | 80.9% |
| 2010 | 9,154 | 76.13% |
| 2009 | 10,434 | 79.65% |
| 2008 | 9,363 | 78.21% |
| 2007 | 9,022 | 78.56% |
| 2006 | 11,242 | 83.99% |
| 2005 | 8,542 | 78.91% |
| 2004 | 8,462 | 77.89% |
| 2003 | 8,354 | 80.15% |
| 2002 | 8,769 | 89.6% |
| 2001 | 7,223 | 77.28% |
Source: U.S. Energy Information Administration, electric power operational data (net generation by state and energy source). "Share of state mix" is this fuel's net generation as a percentage of all in-state net generation.