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Hydro Power in Massachusetts
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Hydro generation (2025)
827 thousand MWh
Share of state power mix
3.59%
National rank (hydro output)
#38
U.S. average share
5.58%
Hydro share of Massachusetts's power mix over time
2001: 1.83% → 2025: 3.59%
Year by year
| Year | Hydro (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | 827 | 3.59% |
| 2024 | 881 | 4.21% |
| 2023 | 1,165 | 5.92% |
| 2022 | 877 | 4.17% |
| 2021 | 1,118 | 5.74% |
| 2020 | 844 | 4.63% |
| 2019 | 976 | 4.53% |
| 2018 | 1,134 | 4.17% |
| 2017 | 1,037 | 3.22% |
| 2016 | 713 | 2.23% |
| 2015 | 827 | 2.58% |
| 2014 | 902 | 2.9% |
| 2013 | 992 | 3.02% |
| 2012 | 912 | 2.56% |
| 2011 | 1,149 | 3.02% |
| 2010 | 996 | 2.33% |
| 2009 | 1,201 | 3.08% |
| 2008 | 1,156 | 2.72% |
| 2007 | 797 | 1.69% |
| 2006 | 1,513 | 3.32% |
| 2005 | 1,042 | 2.19% |
| 2004 | 998 | 2.1% |
| 2003 | 1,075 | 2.22% |
| 2002 | 875 | 2.08% |
| 2001 | 703 | 1.83% |
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.