Summary of Electricity Activity in Massachusetts
Summary of Massachusetts Generation
Massachusetts is ranked #41 out of 51 U.S. states and territories in terms of total annual net electricity generation.
GridInfo.com electricity generation data is aggregated from Jan 2001 to Oct 2025.
| Companies on File | 415 |
|---|---|
| Plants on File | 736 |
| Total Generation | 1.96G MMBtu |
| Total Sales | 4.04G kWh |
| Total Revenue | $1.00B |
Map of Top Producing Cities in the Massachusetts
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Natural Gas Rank
#25
Coal Rank
#48
Nuclear Rank
#41
Hydroelectric Rank
#36
Wind Rank
#37
Solar Rank
#16
Monthly Net Generation for Massachusetts
Electricity Sales Distribution
Electricity Sales, Price, and Revenue Breakdown
| Sales | Price (Avg) | Revenue | |
|---|---|---|---|
| Residential | 1.46G kWh | 31.37 cents/kWh | $457.42M |
| Commercial | 2.03G kWh | 21.98 cents/kWh | $446.71M |
| Industrial | 524.42M kWh | 18.34 cents/kWh | $96.17M |
| Transportation | 23.47M kWh | 8.18 cents/kWh | $1.92M |
| Total | 4.04G kWh | 24.82 cents/kWh | $1.00B |
Production by Source
Largest 24 Power Plants in Massachusetts
| Rank | Plant | Utility | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| #1 | ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, Massachusetts | 3.5 TWh | Oct 2002 | Oct 2025 | Natural Gas |
| #3 | ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, Massachusetts | 3.1 TWh | May 2001 | Oct 2025 | Natural Gas |
| #13 | Bellingham Cogeneration Facility | Northeast Energy Associates LP | Bellingham, Massachusetts | 367.8 GWh | Aug 1991 | Dec 2024 | Natural Gas : 99.9% |
| #8 | Berkshire Power | Berkshire Power Co LLC | Agawam, Massachusetts | 573.3 GWh | Aug 1999 | Dec 2024 | Natural Gas |
| #16 | Cabot | FirstLight Power Resources, Inc. - MA | Montague, Massachusetts | 304.2 GWh | Dec 1914 | Dec 2024 | Water |
| #12 | Canal | Canal Generating LLC | Sandwich, Massachusetts | 375.8 GWh | May 1968 | Oct 2025 | Natural Gas : 61.8% Residual Fuel Oil : 34.7% Distillate Fuel Oil : 3.5% |
| #24 | Cleary Flood Hybrid | City of Taunton | Taunton, Massachusetts | 132.5 GWh | May 1966 | Dec 2024 | Natural Gas : 99.8% |
| #19 | Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, Massachusetts | 226.4 GWh | Apr 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 52.2% Biogenic Municipal Solid Waste : 42.7% Distillate Fuel Oil : 5.1% |
| #10 | Dighton Power Plant | Dighton Power, LLC | Dighton, Massachusetts | 531.1 GWh | Apr 1999 | Dec 2024 | Natural Gas |
| #22 | Exelon West Medway II LLC | Constellation Power, Inc | Medway, Massachusetts | 178.7 GWh | Feb 2019 | Oct 2025 | Natural Gas : 97.9% Kerosene : 2.1% |
| #2 | Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, Massachusetts | 3.1 TWh | Jul 2003 | Oct 2025 | Natural Gas : 95.0% Distillate Fuel Oil : 5.0% |
| #23 | Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, Massachusetts | 151.1 GWh | Dec 1951 | Dec 2024 | Water |
| #6 | Kendall Square Station | Kendall Green Energy, LLC | Cambridge, Massachusetts | 1.6 TWh | May 1949 | Oct 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| #21 | Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, Massachusetts | 204.8 GWh | May 1995 | Dec 2024 | Natural Gas |
| #11 | Masspower | Masspower | Indian Orchard, Massachusetts | 475.7 GWh | Jun 1993 | Dec 2024 | Natural Gas |
| #14 | Medical Area Total Energy Plant | MATEP LLC | Boston, Massachusetts | 318.1 GWh | Dec 1979 | Dec 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| #17 | Milford Power LP | Milford Power LLC | Milford, Massachusetts | 253.1 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| #7 | Millennium Power | Millennium Power Company, LLC | Charlton, Massachusetts | 645.6 GWh | Mar 2001 | Oct 2025 | Natural Gas |
| #4 | Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, Massachusetts | 1.8 TWh | May 1969 | Mar 2024 | Natural Gas |
| #5 | Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, Massachusetts | 1.8 TWh | Apr 2018 | Oct 2025 | Natural Gas |
| #9 | SEMASS Resource Recovery | SEMASS Partnership | West Wareham, Massachusetts | 571.2 GWh | Jun 1988 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.5% |
| #15 | Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, Massachusetts | 316.4 GWh | Aug 1987 | Oct 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| #18 | Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, Massachusetts | 238.0 GWh | Apr 1985 | Oct 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| #20 | Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, Massachusetts | 226.1 GWh | Jul 1985 | Sep 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
Electricity Generation by Massachusetts Counties
| State Rank | County | # Power Plants | Net Generation Past 12 Months | Net Generation from Natural Gas | Net Generation from Wind | Net Generation from Solar | Net Generation from Nuclear |
|---|---|---|---|---|---|---|---|
| #8 | Barnstable County, MA | 23 | 460.6 GWh | 232.3 GWh | 19.4 GWh | 65.7 GWh | 0.0 Wh |
| #12 | Berkshire County, MA | 44 | 264.2 GWh | 129.5 GWh | 116.0 GWh | 100.6 GWh | 0.0 Wh |
| #6 | Bristol County, MA | 71 | 947.8 GWh | 727.5 GWh | 3.7 GWh | 192.3 GWh | 0.0 Wh |
| #13 | Dukes County, MA | 7 | 9.9 GWh | 0.0 Wh | 0.0 Wh | 4.7 GWh | 0.0 Wh |
| #4 | Essex County, MA | 39 | 2.6 TWh | 1.8 TWh | 1.5 GWh | 78.4 GWh | 0.0 Wh |
| #10 | Franklin County, MA | 33 | 286.5 GWh | 41.2 GWh | 0.0 Wh | 92.6 GWh | 0.0 Wh |
| #5 | Hampden County, MA | 86 | 1.7 TWh | 1.1 TWh | 10.1 GWh | 241.0 GWh | 0.0 Wh |
| #11 | Hampshire County, MA | 37 | 270.0 GWh | 124.2 GWh | 0.0 Wh | 142.5 GWh | 0.0 Wh |
| #3 | Middlesex County, MA | 68 | 3.8 TWh | 3.6 TWh | 0.0 Wh | 153.8 GWh | 0.0 Wh |
| #1 | Norfolk County, MA | 38 | 7.3 TWh | 7.0 TWh | 0.0 Wh | 94.7 GWh | 0.0 Wh |
| #7 | Plymouth County, MA | 84 | 849.0 GWh | 8.4 GWh | 18.8 GWh | 268.1 GWh | 0.0 Wh |
| #9 | Suffolk County, MA | 13 | 428.8 GWh | 381.7 GWh | 2.1 GWh | 7.6 GWh | 0.0 Wh |
| #2 | Worcester County, MA | 190 | 5.2 TWh | 4.1 TWh | 13.5 GWh | 677.7 GWh | 0.0 Wh |
Top 20 Electricity Producing Cities in Massachusetts
| City | Net Generation | # Power Plants |
|---|---|---|
| Agawam Town, Massachusetts | 598.9 GWh | 6 |
| Bellingham, Massachusetts | 7.1 TWh | 11 |
| Boston, Massachusetts | 394.5 GWh | 7 |
| Cambridge, Massachusetts | 1.8 TWh | 2 |
| Chicopee, Massachusetts | 641.2 GWh | 14 |
| Everett, Massachusetts | 1.8 TWh | 2 |
| Haverhill, Massachusetts | 245.2 GWh | 6 |
| Holyoke, Massachusetts | 229.5 GWh | 8 |
| Lawrence, Massachusetts | 303.2 GWh | 2 |
| Milford, Massachusetts | 257.9 GWh | 3 |
| Pittsfield, Massachusetts | 167.3 GWh | 13 |
| Quincy, Massachusetts | 3.1 TWh | 2 |
| Salem, Massachusetts | 1.8 TWh | 1 |
| Sandwich, Massachusetts | 389.6 GWh | 5 |
| Saugus, Massachusetts | 228.2 GWh | 2 |
| Sturbridge, Massachusetts | 683.8 GWh | 11 |
| Taunton, Massachusetts | 682.8 GWh | 8 |
| Turners Falls, Massachusetts | 327.1 GWh | 4 |
| West Wareham, Massachusetts | 677.4 GWh | 17 |
| Worcester, Massachusetts | 460.5 GWh | 16 |
Electricity Generation for Neighboring States
| National Rank | State | Net Generation | # Power Plants |
|---|---|---|---|
| #34 | Connecticut | 43.6 TWh | 227 |
| #49 | Delaware | 5.1 TWh | 47 |
| #51 | District of Columbia | 175.8 GWh | 24 |
| #13 | Indiana | 107.8 TWh | 285 |
| #22 | Kentucky | 71.6 TWh | 98 |
| #45 | Maine | 15.0 TWh | 301 |
| #39 | Maryland | 37.5 TWh | 268 |
| #11 | Michigan | 126.2 TWh | 387 |
| #44 | New Hampshire | 18.1 TWh | 74 |
| #29 | New Jersey | 59.3 TWh | 481 |
| #10 | New York | 128.2 TWh | 1,281 |
| #9 | North Carolina | 134.7 TWh | 1,131 |
| #6 | Ohio | 145.4 TWh | 313 |
| #3 | Pennsylvania | 245.9 TWh | 390 |
| #46 | Rhode Island | 10.0 TWh | 116 |
| #14 | South Carolina | 104.4 TWh | 304 |
| #21 | Tennessee | 72.8 TWh | 137 |
| #50 | Vermont | 2.3 TWh | 142 |
| #15 | Virginia | 104.3 TWh | 345 |
| #31 | West Virginia | 51.1 TWh | 66 |
* Net Generation data is based on the last 12 months since Oct 2025