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Nuclear Power in Massachusetts
Net generation and share of the state power mix, 2025 — U.S. Energy Information Administration.
Nuclear generation (2025)
— thousand MWh
Share of state power mix
—
National rank (nuclear output)
#1
U.S. average share
17.72%
Nuclear share of Massachusetts's power mix over time
2001: 13.37% → 2025: —
Year by year
| Year | Nuclear (thousand MWh) | Share of state mix |
|---|---|---|
| 2025 | — | — |
| 2024 | — | — |
| 2023 | — | — |
| 2022 | — | — |
| 2021 | — | — |
| 2020 | — | — |
| 2019 | 2,177 | 10.12% |
| 2018 | 4,442 | 16.35% |
| 2017 | 5,047 | 15.67% |
| 2016 | 5,414 | 16.94% |
| 2015 | 4,995 | 15.57% |
| 2014 | 5,769 | 18.54% |
| 2013 | 4,331 | 13.17% |
| 2012 | 5,860 | 16.47% |
| 2011 | 5,085 | 13.36% |
| 2010 | 5,918 | 13.83% |
| 2009 | 5,396 | 13.85% |
| 2008 | 5,869 | 13.81% |
| 2007 | 5,120 | 10.88% |
| 2006 | 5,830 | 12.78% |
| 2005 | 5,475 | 11.52% |
| 2004 | 5,939 | 12.5% |
| 2003 | 4,978 | 10.29% |
| 2002 | 5,769 | 13.73% |
| 2001 | 5,144 | 13.37% |
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.