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Electric Utilities in Massachusetts

56 utilities and 55 retail electricity providers reported sales in Massachusetts for 2025 (EIA Form 861).

Utilities

Customers in this state. Home price and bill are for bundled service (generation and delivery)

Swipe the table sideways to see more columns.

#UtilityCustomersHome priceHome bill
1NSTAR Electric CompanyInvestor Owned1,483,52421.49¢/kWh$102/mo
2Massachusetts Electric CoInvestor Owned1,399,92133.66¢/kWh$164/mo
3Sunrun Inc.Behind the Meter65,77028.97¢/kWh$162/mo
4City of Taunton - (MA)Municipal40,04518.81¢/kWh$130/mo
5Fitchburg Gas & Elec Light CoInvestor Owned31,05336.24¢/kWh$164/mo
6Town of Reading - (MA)Municipal28,33719.95¢/kWh$165/mo
7City of Peabody - (MA)Municipal27,25116.88¢/kWh$121/mo
8City of Chicopee - (MA)Municipal26,07716.21¢/kWh$118/mo
9Tesla Inc.Behind the Meter19,10116.71¢/kWh$90/mo
10City of Westfield - (MA)Municipal18,55118.46¢/kWh$125/mo
11Town of Middleborough - (MA)Municipal18,22315.59¢/kWh$124/mo
12City of Holyoke - (MA)Municipal17,95316.36¢/kWh$101/mo
13Town of Shrewsbury - (MA)Municipal16,85115.53¢/kWh$120/mo
14Town of Braintree - (MA)Municipal16,81216.17¢/kWh$117/mo
15City of Norwood - (MA)Municipal15,81217.61¢/kWh$98/mo
16Nantucket Electric CoInvestor Owned14,69335.91¢/kWh$295/mo
17Town of Wakefield - (MA)Municipal14,219Not reportedNot reported
18Town of North Attleborough - (MA)Municipal13,93415.87¢/kWh$124/mo
19Town of Hudson - (MA)Municipal13,63913.14¢/kWh$102/mo
20Town of DanversMunicipal13,59416.55¢/kWh$116/mo
21Town of Belmont - (MA)Municipal11,899Not reportedNot reported
22Town of Mansfield - (MA)Municipal10,57015.04¢/kWh$111/mo
23Town of Wellesley - (MA)Municipal10,56916.04¢/kWh$162/mo
24Town of Marblehead - (MA)Municipal10,289Not reportedNot reported
25City of Hingham - (MA)Municipal10,162Not reportedNot reported
26Town of Holden - (MA)Municipal8,609Not reportedNot reported
27Town of Concord - (MA)Municipal8,366Not reportedNot reported
28Town of South Hadley - (MA)Municipal8,314Not reportedNot reported
29Town of Littleton - (MA)Municipal7,61814.17¢/kWh$127/mo
30Town of Ipswich - (MA)Municipal7,295Not reportedNot reported
31Hull Municipal Light Plant - (MA)Municipal6,232Not reportedNot reported
32Town of Groton - (MA)Municipal5,010Not reportedNot reported
33Town of Sterling - (MA)Municipal4,187Not reportedNot reported
34Town of Middleton - (MA)Municipal4,025Not reportedNot reported
35Town of Templeton - (MA)Municipal3,814Not reportedNot reported
36Town of West Boylston - (MA)Municipal3,785Not reportedNot reported
37Town of Georgetown - (MA)Municipal3,536Not reportedNot reported
38Spruce FinanceBehind the Meter3,39115.30¢/kWh$84/mo
39EverBright, LLCBehind the Meter3,34026.26¢/kWh$167/mo
40Town of Ashburnham - (MA)Municipal3,220Not reportedNot reported
41Town of Rowley - (MA)Municipal3,106Not reportedNot reported
42Town of Merrimac - (MA)Municipal3,092Not reportedNot reported
43Town of Groveland - (MA)Municipal3,058Not reportedNot reported
44Town of Boylston - (MA)Municipal2,584Not reportedNot reported
45Town of Paxton - (MA)Municipal1,966Not reportedNot reported
46Town of Princeton - (MA)Municipal1,554Not reportedNot reported
47SunPower Capital, LLCBehind the Meter1,43222.01¢/kWh$137/mo
48Palmetto Solar, LLCBehind the Meter1,25529.70¢/kWh$207/mo
49Town of ChesterMunicipal755Not reportedNot reported
50City of Russell - (MA)Municipal468Not reportedNot reported
51Ahana Renewables, LLCBehind the Meter28Not reportedNot reported
52TerraForm US Energy Services, LLCBehind the Meter24Not reportedNot reported
53Greenbacker Renewable Energy CorporationBehind the Meter16Not reportedNot reported
54Constellation Solar Holding, LLCBehind the Meter3Not reportedNot reported
55Greenskies Renewable Energy, LLCBehind the Meter2Not reportedNot reported
56SunnovaBehind the MeterNot reportedNot reportedNot reported

Retail electricity providers

Companies that sell electricity supply while the local utility delivers it

Swipe the table sideways to see more columns.

ProviderCustomersHome priceHome bill
Direct Energy ServicesRetail Power Marketer612,965Not reportedNot reported
Constellation NewEnergy, IncRetail Power Marketer382,171Not reportedNot reported
First Point Power, LLCRetail Power Marketer318,957Not reportedNot reported
Dynegy Energy Services, LLCRetail Power Marketer163,784Not reportedNot reported
NextEra Energy Services, LLCRetail Power Marketer153,913Not reportedNot reported
Reliant Energy Northeast LLCRetail Power Marketer82,732Not reportedNot reported
Inspire Energy Holdings, LLCRetail Power Marketer47,843Not reportedNot reported
CleanChoice Energy, Inc.Retail Power Marketer38,591Not reportedNot reported
Clearview Electric Inc.Retail Power Marketer29,370Not reportedNot reported
Town Square EnergyRetail Power Marketer20,676Not reportedNot reported
Residents Energy, LLCRetail Power Marketer16,797Not reportedNot reported
SmartEnergy Holdings, LLCRetail Power Marketer14,952Not reportedNot reported
Nordic Energy Services, LLCRetail Power Marketer10,189Not reportedNot reported
Titan Gas LLCRetail Power Marketer9,853Not reportedNot reported
Think Energy, LLCRetail Power Marketer9,313Not reportedNot reported
SFE Energy Massachusetts, Inc.Retail Power Marketer9,284Not reportedNot reported
National Gas & Electric, LLCRetail Power Marketer9,103Not reportedNot reported
Palmco Power Ma, LLCRetail Power Marketer8,334Not reportedNot reported
Hudson Energy ServicesRetail Power Marketer7,400Not reportedNot reported
Viridian Energy LLCRetail Power Marketer7,085Not reportedNot reported
Hampshire Power CorporationRetail Power Marketer6,988Not reportedNot reported
Ambit Energy Holdings, LLCRetail Power Marketer6,194Not reportedNot reported
Major Energy Electric ServicesRetail Power Marketer5,868Not reportedNot reported
Provider Power Mass, LLCRetail Power Marketer5,856Not reportedNot reported
Energy Services Providers, IncRetail Power Marketer5,608Not reportedNot reported
Xoom Energy Massachusetts, LLCRetail Power Marketer5,249Not reportedNot reported
Discount Power Inc - (CT)Retail Power Marketer4,559Not reportedNot reported
Verde Energy USARetail Power Marketer4,026Not reportedNot reported
Renaissance Power & Gas, Inc.Retail Power Marketer3,873Not reportedNot reported
Atlantic Energy LLCRetail Power Marketer3,263Not reportedNot reported
Public Power LLC (CT)Retail Power Marketer2,502Not reportedNot reported
Direct Energy BusinessRetail Power Marketer2,365Not reportedNot reported
Engie Resources LLCRetail Power Marketer1,537Not reportedNot reported
Alpha Gas and Electric, LLCRetail Power Marketer1,344Not reportedNot reported
Green Mountain Energy CompanyRetail Power Marketer1,324Not reportedNot reported
Energy Plus Holdings LLCRetail Power Marketer1,130Not reportedNot reported
Eligo Energy, LLCRetail Power Marketer737Not reportedNot reported
Summer Energy Northeast, LLCRetail Power Marketer484Not reportedNot reported
Champion Energy ServicesRetail Power Marketer430Not reportedNot reported
BP Energy Retail LLCRetail Power Marketer332Not reportedNot reported
Maven Energy, LLCRetail Power Marketer316Not reportedNot reported
Great American Gas & Electric, LLCRetail Power Marketer249Not reportedNot reported
MP2 Energy LLCRetail Power Marketer160Not reportedNot reported
SmartestEnergy US LLCRetail Power Marketer130Not reportedNot reported
David Energy Supply LLCRetail Power Marketer80Not reportedNot reported
Massachusetts Bay Trans AuthorityPolitical Subdivision68Not reportedNot reported
Texas Retail Energy, LLCRetail Power Marketer47Not reportedNot reported
Calpine Energy Solutions, LLCRetail Power Marketer44Not reportedNot reported
MidAmerican Energy Services, LLCRetail Power Marketer29Not reportedNot reported
Just EnergyRetail Power Marketer14Not reportedNot reported
Grid Power Direct, LLCRetail Power Marketer6Not reportedNot reported
American Power & GasRetail Power Marketer5Not reportedNot reported
Aggregated Transit EnergyRetail Power Marketer1Not reportedNot reported
Devonshire Energy, LLCRetail Power Marketer1Not reportedNot reported
Harvard Dedicated Energy LimitRetail Power Marketer1Not reportedNot reported

Small utilities that file the short form (EIA-861S) report only total sales, so their home price and bill are not reported.

Frequently asked questions

What is the biggest electric company in Massachusetts?
NSTAR Electric Company had the most customers in Massachusetts in 2025, about 1,483,524.
How do I find which utility serves my address in Massachusetts?
Open your county page from the Massachusetts energy overview. It lists the utilities that report serving each county. Your power bill also names your utility.

Source: U.S. Energy Information Administration, Form EIA-861 (2025) · Data for 2025