Home / California / Hydro power
Hydro Power in California
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
27,855 thousand MWh
Share of state power mix
13.53%
National rank (hydro output)
#3
U.S. average share
5.58%
Hydro share of California's power mix over time
2001: 12.86% → 2025: 13.53%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 27,855 | 13.53% |
| 2024 | 29,454 | 13.75% |
| 2023 | 32,381 | 14.95% |
| 2022 | 17,644 | 8.68% |
| 2021 | 14,678 | 7.44% |
| 2020 | 21,377 | 11.07% |
| 2019 | 38,355 | 19.01% |
| 2018 | 26,331 | 13.47% |
| 2017 | 42,363 | 20.55% |
| 2016 | 28,942 | 14.69% |
| 2015 | 13,809 | 7.02% |
| 2014 | 16,531 | 8.32% |
| 2013 | 23,755 | 11.87% |
| 2012 | 26,837 | 13.45% |
| 2011 | 42,557 | 21.19% |
| 2010 | 33,431 | 16.38% |
| 2009 | 27,888 | 13.62% |
| 2008 | 24,128 | 11.6% |
| 2007 | 27,328 | 12.96% |
| 2006 | 48,047 | 22.16% |
| 2005 | 39,632 | 19.79% |
| 2004 | 34,141 | 17.53% |
| 2003 | 36,371 | 18.87% |
| 2002 | 31,141 | 16.9% |
| 2001 | 25,542 | 12.86% |
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.