Power plants in Suffolk County, Massachusetts
10 operating power plants in Suffolk County, Massachusetts, with 181 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Suffolk County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | M Street JetOil | 69 | 0.3 | 0.0% |
| 2 | Medical Area Total Energy PlantNatural gas | 61 | 314 | 37.8% |
| 3 | Deer Island Treatment PlantBiomass | 21 | 33.4 | 5.2% |
| 4 | Gillette SBMCNatural gas | 12 | 54.8 | 44.1% |
| 5 | UMass BostonOil | 7.8 | 1.0 | 1.6% |
| 6 | Meadow SolarSolar | 3.0 | 4.2 | 16.1% |
| 7 | Boston Medical Center CHP PlantNatural gas and battery storage | 3.0 | 14.0 | 80.3% |
| 8 | Charlestown Wind TurbineWind | 1.5 | 1.3 | 10.2% |
| 9 | Signature Breads ChelseaOil | 1.5 | 0.0 | – |
| 10 | Dorchester Solar SiteSolar | 1.0 | 1.6 | 18.3% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
More power plant lists for Massachusetts
Largest power plants in Massachusetts50 plants · 11,834 MWSolar farms in Massachusetts554 plants · 1,498 MWWind farms in Massachusetts19 plants · 897 MWBattery storage projects in Massachusetts131 projects · 739 MWNatural gas power plants in Massachusetts43 plants · 6,537 MWHydroelectric power plants in Massachusetts28 plants · 265 MW
Other counties in Massachusetts
Worcester County188 plants · 1,953 MWHampden County79 plants · 1,402 MWPlymouth County69 plants · 473 MWBristol County65 plants · 592 MWMiddlesex County59 plants · 474 MWBerkshire County42 plants · 1,024 MWHampshire County38 plants · 160 MWNorfolk County37 plants · 2,731 MWEssex County33 plants · 1,151 MW