Hydro Power in Iowa
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
1,136 thousand MWh
Share of state power mix
1.53%
National rank (hydro output)
#32
U.S. average share
5.58%
Hydro share of Iowa's power mix over time
2001: 2.08% → 2025: 1.53%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 1,136 | 1.53% |
| 2024 | 1,030 | 1.46% |
| 2023 | 948 | 1.36% |
| 2022 | 1,010 | 1.38% |
| 2021 | 980 | 1.46% |
| 2020 | 1,025 | 1.72% |
| 2019 | 796 | 1.27% |
| 2018 | 925 | 1.46% |
| 2017 | 1,034 | 1.79% |
| 2016 | 917 | 1.69% |
| 2015 | 960 | 1.69% |
| 2014 | 879 | 1.55% |
| 2013 | 749 | 1.32% |
| 2012 | 766 | 1.35% |
| 2011 | 925 | 1.64% |
| 2010 | 948 | 1.65% |
| 2009 | 971 | 1.87% |
| 2008 | 819 | 1.54% |
| 2007 | 962 | 1.93% |
| 2006 | 909 | 2% |
| 2005 | 960 | 2.17% |
| 2004 | 946 | 2.19% |
| 2003 | 789 | 1.87% |
| 2002 | 946 | 2.23% |
| 2001 | 845 | 2.08% |
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.