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Electric Companies in Western Mass: Who Serves Your Town

Six towns own their power utility outright. The rest buy from one of two investor-owned companies, and which one you get is decided by the town line.

Chicopee, which owns its lighting plant

Nobody chooses their electricity distributor. You buy a house, and whichever company holds the wires on that street is the company you deal with for as long as you own it. In Western Massachusetts that is decided by the town line, and there are more options than most people realise.

Six of the 101 towns own their electric utility outright: Chicopee, Holyoke, Westfield, Chester, Russell, South Hadley. Everywhere else is served by an investor-owned company.

6 municipal light plantsTowns that own their own electric utility. Their tariffs are set locally and voted on locally, rather than filed with the state regulator.

What A Municipal Light Plant Actually Is

A municipal light plant is a utility owned by the town rather than by shareholders. It is not a supplier you sign up with, it is the distribution company itself, and its rates are set by the town rather than negotiated through the state regulatory process.

Municipal tariffs in Massachusetts are generally lower than the investor-owned utilities, which is the single most common reason people mention them. We are not going to put a number on that here, because the figure moves by local vote and no dataset we hold carries it. If you are comparing two specific towns on this basis, get the current residential rate schedule from each utility directly. That is the only version of the comparison worth making.

Two other differences matter and both are underrated. A municipal utility answers to the town, so outage restoration priorities and capital spending are decided locally rather than across a multi-state service territory. And several of these utilities also run the town's fibre-to-the-home network, which is why the electricity question and the broadband question are the same question in some towns here.

Who Serves Everywhere Else

The rest of the region divides between two investor-owned companies:

  • Eversource Energy (NSTAR Electric): serves 61 of the 101 towns
  • National Grid (Massachusetts Electric): serves 42 of the 101 towns

Both are regulated by the Department of Public Utilities, both file their rates through the same process, and neither is chosen by you. For a buyer the practical consequence is not price so much as reliability history: a rural distribution network on overhead lines through wooded hill country loses power more often than an urban one, whoever owns it.

The Four Towns Where The Answer Depends On The Street

4 towns have split service, meaning more than one utility distributes inside the town boundary: Chicopee, Westfield, Chester, Russell.

In those towns, which company serves a specific address depends on where in the town that address sits, and this data cannot tell you which. If you are buying in one of them and the utility matters to your decision, the seller's most recent bill answers it in about four seconds. Ask for it.

Every Town

Sortable and filterable. Filter the municipal column to "Yes" for the towns that own their own utility.

Electricity Supplier by Town

Download CSV, same columns, same definitions

The company distributing electricity in each town, and whether the town owns its own light plant. This records the provider, not the rate: municipal tariffs are set by local vote and are not published in this source, so no cost comparison is drawn from it. Where two providers are listed the town has split service and the supplier for a given address depends on its location within the town.

Electricity Supplier by Town. The company distributing electricity in each town, and whether the town owns its own light plant. This records the provider, not the rate: municipal tariffs are set by local vote and are not published in this source, so no cost comparison is drawn from it. Where two providers are listed the town has split service and the supplier for a given address depends on its location within the town.
TownCountyElectricity SupplierMunicipally Owned
AdamsBerkshireNational Grid (Massachusetts Electric)No
AgawamHampdenEversource Energy (NSTAR Electric)No
AlfordBerkshireNational Grid (Massachusetts Electric)No
AmherstHampshireEversource Energy (NSTAR Electric)No
AshfieldFranklinEversource Energy (NSTAR Electric)No
BecketBerkshireEversource Energy (NSTAR Electric)No
BelchertownHampshireNational Grid (Massachusetts Electric)No
BernardstonFranklinEversource Energy (NSTAR Electric)No
BlandfordHampdenEversource Energy (NSTAR Electric)No
BrimfieldHampdenNational Grid (Massachusetts Electric)No
BucklandFranklinEversource Energy (NSTAR Electric)No
CharlemontFranklinNational Grid (Massachusetts Electric)No
CheshireBerkshireEversource Energy (NSTAR Electric), National Grid (Massachusetts Electric)No
ChesterHampdenChester Municipal Electric Light Department, Eversource Energy (NSTAR Electric)Yes, in part
ChesterfieldHampshireEversource Energy (NSTAR Electric)No
ChicopeeHampdenChicopee Municipal Lighting Plant, Eversource Energy (NSTAR Electric)Yes, in part
ClarksburgBerkshireNational Grid (Massachusetts Electric)No
ColrainFranklinEversource Energy (NSTAR Electric)No
ConwayFranklinEversource Energy (NSTAR Electric)No
CummingtonHampshireEversource Energy (NSTAR Electric)No
DaltonBerkshireEversource Energy (NSTAR Electric)No
DeerfieldFranklinEversource Energy (NSTAR Electric)No
East LongmeadowHampdenNational Grid (Massachusetts Electric)No
EasthamptonHampshireEversource Energy (NSTAR Electric)No
EgremontBerkshireNational Grid (Massachusetts Electric)No
ErvingFranklinEversource Energy (NSTAR Electric), National Grid (Massachusetts Electric)No
FloridaBerkshireNational Grid (Massachusetts Electric)No
GillFranklinEversource Energy (NSTAR Electric)No
GoshenHampshireNational Grid (Massachusetts Electric)No
GranbyHampshireNational Grid (Massachusetts Electric)No
GranvilleHampdenEversource Energy (NSTAR Electric)No
Great BarringtonBerkshireNational Grid (Massachusetts Electric)No
GreenfieldFranklinEversource Energy (NSTAR Electric)No
HadleyHampshireEversource Energy (NSTAR Electric)No
HampdenHampdenNational Grid (Massachusetts Electric)No
HancockBerkshireEversource Energy (NSTAR Electric), National Grid (Massachusetts Electric)No
HatfieldHampshireEversource Energy (NSTAR Electric)No
HawleyFranklinNational Grid (Massachusetts Electric)No
HeathFranklinNational Grid (Massachusetts Electric)No
HinsdaleBerkshireEversource Energy (NSTAR Electric)No
HollandHampdenNational Grid (Massachusetts Electric)No
HolyokeHampdenHolyoke Gas & Electric DepartmentYes
HuntingtonHampshireEversource Energy (NSTAR Electric)No
LanesboroughBerkshireEversource Energy (NSTAR Electric)No
LeeBerkshireEversource Energy (NSTAR Electric)No
LenoxBerkshireEversource Energy (NSTAR Electric), National Grid (Massachusetts Electric)No
LeverettFranklinEversource Energy (NSTAR Electric)No
LeydenFranklinEversource Energy (NSTAR Electric)No
LongmeadowHampdenEversource Energy (NSTAR Electric)No
LudlowHampdenEversource Energy (NSTAR Electric)No
MiddlefieldHampshireEversource Energy (NSTAR Electric)No
MonroeFranklinNational Grid (Massachusetts Electric)No
MonsonHampdenNational Grid (Massachusetts Electric)No
MontagueFranklinEversource Energy (NSTAR Electric)No
MontereyBerkshireNational Grid (Massachusetts Electric)No
MontgomeryHampdenEversource Energy (NSTAR Electric)No
Mount WashingtonBerkshireNational Grid (Massachusetts Electric)No
New AshfordBerkshireEversource Energy (NSTAR Electric)No
New MarlboroughBerkshireNational Grid (Massachusetts Electric)No
New SalemFranklinNational Grid (Massachusetts Electric)No
North AdamsBerkshireNational Grid (Massachusetts Electric)No
NorthamptonHampshireNational Grid (Massachusetts Electric)No
NorthfieldFranklinEversource Energy (NSTAR Electric)No
OrangeFranklinNational Grid (Massachusetts Electric)No
OtisBerkshireEversource Energy (NSTAR Electric)No
PalmerHampdenNational Grid (Massachusetts Electric)No
PelhamHampshireEversource Energy (NSTAR Electric)No
PeruBerkshireEversource Energy (NSTAR Electric)No
PittsfieldBerkshireEversource Energy (NSTAR Electric)No
PlainfieldHampshireEversource Energy (NSTAR Electric)No
RichmondBerkshireEversource Energy (NSTAR Electric)No
RoweFranklinNational Grid (Massachusetts Electric)No
RussellHampdenRussell Municipal Lighting Company, Eversource Energy (NSTAR Electric)Yes, in part
SandisfieldBerkshireEversource Energy (NSTAR Electric)No
SavoyBerkshireEversource Energy (NSTAR Electric)No
SheffieldBerkshireNational Grid (Massachusetts Electric)No
ShelburneFranklinEversource Energy (NSTAR Electric)No
ShutesburyFranklinNational Grid (Massachusetts Electric)No
South HadleyHampshireSouth Hadley Electric Light DepartmentYes
SouthamptonHampshireEversource Energy (NSTAR Electric)No
SouthwickHampdenEversource Energy (NSTAR Electric)No
SpringfieldHampdenEversource Energy (NSTAR Electric)No
StockbridgeBerkshireNational Grid (Massachusetts Electric)No
SunderlandFranklinEversource Energy (NSTAR Electric)No
TollandHampdenEversource Energy (NSTAR Electric)No
TyringhamBerkshireEversource Energy (NSTAR Electric)No
WalesHampdenNational Grid (Massachusetts Electric)No
WareHampshireNational Grid (Massachusetts Electric)No
WarwickFranklinNational Grid (Massachusetts Electric)No
WashingtonBerkshireEversource Energy (NSTAR Electric)No
WendellFranklinNational Grid (Massachusetts Electric)No
West SpringfieldHampdenEversource Energy (NSTAR Electric)No
West StockbridgeBerkshireNational Grid (Massachusetts Electric)No
WestfieldHampdenWestfield Gas and Electric Light Department, Eversource Energy (NSTAR Electric)Yes, in part
WesthamptonHampshireEversource Energy (NSTAR Electric)No
WhatelyFranklinEversource Energy (NSTAR Electric)No
WilbrahamHampdenNational Grid (Massachusetts Electric)No
WilliamsburgHampshireNational Grid (Massachusetts Electric)No
WilliamstownBerkshireNational Grid (Massachusetts Electric)No
WindsorBerkshireEversource Energy (NSTAR Electric)No
WorthingtonHampshireEversource Energy (NSTAR Electric)No
What These Columns Mean
Town
The municipality.
County
One of the four western counties.
Electricity Supplier
The company that distributes electricity in the town. Where two are listed, service is split and which one reaches a given address depends on where in the town it sits.
Municipally Owned
Whether the town owns its own light plant. Municipal tariffs are set locally and are not in this dataset, so no saving is quoted here.

Cite: RE413. “Electricity Supplier by Town.” Updated August 5, 2026. https://www.re413.com/news/electric-companies-western-mass/, underlying sources at https://www.re413.com/sources/.

What To Check Before You Buy

  1. Ask for twelve months of actual bills. Not an estimate, not an average for the town. The bills. They tell you the rate, the usage and whether the house has an electric heating load nobody mentioned.
  2. Find out what heats the house before you think about electricity at all. In this region the heating fuel dominates the annual energy cost, and most towns here have no gas main, which forces the choice.
  3. Ask the neighbours about outages. How many, how long, and whether the house has a generator or a transfer switch already fitted. On a rural line this is a real quality-of-life question in an ice storm.
  4. If the town runs a municipal utility, check whether it also runs the broadband. Several do, and what the broadband record shows town by town covers where that lands.

One thing this page deliberately does not do is rank the utilities. Rates change, service territories do not, and the utility is one of the few things about a house you genuinely cannot alter after you buy it. Know which one you are getting, then price the house.

Sources

  • MassGIS. The electricity provider serving each municipality, and whether the town operates its own municipal light plant.

"Figures through" is the period the publisher's data describes; "checked" is only when we last asked. The full sourcing: sources and method.

Spotted an error, or want the source behind a figure here? Tell us and we will check it against the record and correct it.

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