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Hydro Power in Washington
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
65,169 thousand MWh
Share of state power mix
63.23%
National rank (hydro output)
#1
U.S. average share
5.58%
Hydro share of Washington's power mix over time
2001: 65.91% → 2025: 63.23%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 65,169 | 63.23% |
| 2024 | 60,736 | 59.31% |
| 2023 | 61,446 | 59.68% |
| 2022 | 78,916 | 67.63% |
| 2021 | 71,379 | 64.42% |
| 2020 | 76,410 | 65.81% |
| 2019 | 66,018 | 62.01% |
| 2018 | 80,883 | 69.28% |
| 2017 | 82,183 | 70.9% |
| 2016 | 78,346 | 68.67% |
| 2015 | 73,405 | 67.17% |
| 2014 | 79,463 | 68.31% |
| 2013 | 78,155 | 68.45% |
| 2012 | 89,464 | 76.57% |
| 2011 | 91,818 | 79.66% |
| 2010 | 68,288 | 66% |
| 2009 | 72,933 | 69.81% |
| 2008 | 77,637 | 70.05% |
| 2007 | 78,829 | 73.68% |
| 2006 | 82,008 | 75.79% |
| 2005 | 72,075 | 70.69% |
| 2004 | 71,576 | 70.06% |
| 2003 | 71,757 | 71.69% |
| 2002 | 78,167 | 76.06% |
| 2001 | 54,734 | 65.91% |
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.