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Suffolk County, MA Energy

Electric utilities, power plants and charging stations in Suffolk County, Massachusetts.

Massachusetts home electricity
30.49¢/kWh
July 2026
Massachusetts regular gas
$4.20/gal
Week of 10/19/2026
EV charging stations
797
2,049 ports
Electric utilities
2
Serving Suffolk County

Electric utilities serving Suffolk County

As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Massachusetts service area

Swipe the table sideways to see more columns.

UtilityCustomers in stateHome priceHome bill
NSTAR Electric CompanyInvestor Owned1,483,52421.49¢/kWh$102/mo
Massachusetts Electric CoInvestor Owned1,399,92133.66¢/kWh$164/mo

EV charging in Suffolk County

797 public stations, DC fast first

All 797

Alternative fuel stations

Power plants in Suffolk County

269 MW of operating capacity

Swipe the table sideways to see more columns.

PlantFuelCapacity
Medical Area Total Energy PlantNatural gas94.8 MW
Deer Island Treatment PlantPetroleum72.8 MW
M Street JetPetroleum69.0 MW
Gillette SBMCNatural gas14.2 MW
UMass BostonPetroleum8.1 MW
Meadow SolarSolar3.0 MW
Boston Medical Center CHP PlantNatural gas3.0 MW
Charlestown Wind TurbineWind1.5 MW
Signature Breads ChelseaPetroleum1.5 MW
Dorchester Solar SiteSolar1.0 MW

Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.

Frequently asked questions

What electric company serves Suffolk County?
NSTAR Electric Company, Massachusetts Electric Co report serving Suffolk County to EIA. Check your bill or address with the utility to confirm which one serves you.
How many EV charging stations are in Suffolk County?
There are 797 public EV charging stations in Suffolk County with 2,049 ports, 36 of them with DC fast charging.
Are there power plants in Suffolk County?
Yes. Suffolk County has 10 operating power plants with 269 MW of capacity. The largest is Medical Area Total Energy Plant (94.8 MW, natural gas).