Hydro Power in Maine
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
2,639 thousand MWh
Share of state power mix
17.79%
National rank (hydro output)
#16
U.S. average share
5.58%
Hydro share of Maine's power mix over time
2001: 13.52% → 2025: 17.79%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 2,639 | 17.79% |
| 2024 | 2,852 | 19.46% |
| 2023 | 3,832 | 30.62% |
| 2022 | 3,063 | 24% |
| 2021 | 2,541 | 23.29% |
| 2020 | 3,158 | 31.58% |
| 2019 | 3,499 | 33.36% |
| 2018 | 3,261 | 28.91% |
| 2017 | 3,389 | 30.08% |
| 2016 | 3,000 | 26.05% |
| 2015 | 3,361 | 28.62% |
| 2014 | 3,623 | 27.35% |
| 2013 | 3,560 | 25.38% |
| 2012 | 3,733 | 24.8% |
| 2011 | 3,979 | 24.91% |
| 2010 | 3,810 | 22.39% |
| 2009 | 4,212 | 25.76% |
| 2008 | 4,457 | 26.07% |
| 2007 | 3,738 | 23.18% |
| 2006 | 4,278 | 25.44% |
| 2005 | 4,091 | 21.71% |
| 2004 | 3,430 | 17.96% |
| 2003 | 3,173 | 16.72% |
| 2002 | 2,768 | 12.28% |
| 2001 | 2,645 | 13.52% |
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.