U.S. RANK #41 · MA 0.09% OF U.S. GENERATION

Massachusetts Electricity Generation & Grid Mix

In 2025, Massachusetts (MA) generated 27.25 TWh of electricity (0.09% of U.S. generation, ranked #41 among U.S. states). Its #1 electricity source was Natural Gas at 17.81 TWh (65.3% of state output), while low-carbon sources supplied 30.1%.

2025 Generation 27.25 TWh U.S. Rank #41
#1 Power Source Natural Gas 65.3% (17.8 TWh)
Low-Carbon Share 30.1% Wind + Solar: 25.4%
Fossil Share 69.9% 5Y Gen Change: +32.5%
CO2 Intensity 372 gCO2/kWh 10.1 Mt CO2 total
2025 Massachusetts Grid Fuel Mix Breakdown (100% = 27.25 TWh)
Natural Gas: 65.3% (17.81 TWh) Solar: 24.6% (6.70 TWh) Oil & Other Fossil: 4.5% (1.24 TWh) Bioenergy: 3.2% (0.87 TWh) Hydroelectric: 1.4% (0.39 TWh) Wind: 0.8% (0.21 TWh)
GRID TELEMETRY · 2025 GENERATION MIX & 2000-2025 SERIES

Massachusetts (MA) Electricity Generation by Source (2025)

2025 Total Output: 27.25 TWh · Carbon Intensity: 372 gCO2/kWh

Natural Gas
17.81 TWh 65.3%
Solar
6.70 TWh 24.6%
Oil & Other Fossil
1.24 TWh 4.5%
Bioenergy
0.87 TWh 3.2%
Hydroelectric
0.39 TWh 1.4%
Wind
0.21 TWh 0.8%
Geothermal & Other
0.03 TWh 0.1%
Source: Ember Yearly Electricity Data & U.S. EIA · Unit: Terawatt-hours (TWh) #1 Power Source: Natural Gas (65.3% of grid)

Massachusetts Historical Electricity Generation by Fuel (2001-2025)

Year Total (TWh) Coal Gas Nuclear Hydro Wind Solar Clean % gCO2/kWh
2025 27.25 0.00 17.81 0.00 0.39 0.21 6.70 30.1% 372
2024 25.00 0.00 16.20 0.00 0.40 0.17 6.18 30.8% 369
2023 23.43 0.00 14.77 0.00 0.79 0.18 5.72 32.6% 361
2022 24.47 0.00 15.78 0.00 0.48 0.22 5.35 28.6% 384
2021 22.04 0.00 15.01 0.00 0.69 0.21 4.12 27.3% 386
2020 20.56 0.00 14.18 0.00 0.44 0.24 3.73 26.4% 391
2019 23.66 0.00 15.41 2.18 0.54 0.21 3.28 30.6% 367
2018 29.29 0.00 18.39 4.44 0.67 0.22 3.06 32.8% 356
2017 33.75 1.14 22.15 5.05 0.59 0.23 2.30 27.8% 385
2016 33.24 1.87 21.14 5.41 0.21 0.22 1.86 26.9% 398
2015 32.95 2.25 21.01 4.99 0.35 0.21 1.31 24.4% 416
2014 31.74 2.79 18.50 5.77 0.44 0.22 0.93 27.0% 412
2013 32.89 3.96 21.26 4.33 0.62 0.20 0.11 19.5% 453
2012 35.58 2.14 24.67 5.86 0.60 0.09 0.03 21.8% 419
2011 38.06 4.06 25.94 5.09 0.71 0.06 0.00 18.4% 450
2010 42.81 8.31 25.58 5.92 0.66 0.02 0.00 18.3% 478
2009 38.97 9.03 20.99 5.40 0.67 0.01 0.00 18.7% 493
2008 42.51 10.63 21.51 5.87 0.36 0.00 0.00 17.6% 509
2007 47.10 12.02 24.93 5.12 -0.03 0.00 0.00 13.5% 533
2006 45.63 11.14 23.31 5.83 0.93 0.00 0.00 17.7% 507
2005 47.54 12.03 20.37 5.48 0.58 0.00 0.00 15.4% 540
2004 47.52 10.53 20.97 5.94 0.50 0.00 0.00 16.2% 528
2003 48.41 10.90 22.42 4.98 0.56 0.00 0.00 14.1% 539
2002 42.05 11.50 15.87 5.77 0.03 0.00 0.00 16.9% 544
2001 38.50 11.05 11.70 5.14 -0.01 0.00 0.00 16.8% 563