Massachusetts electricity rates (August 2026)

Average residential and commercial electricity prices in Massachusetts from EIA's monthly utility survey, with the trend, the largest utilities and what power costs a typical homeowner.

Residential rate

30.48¢

▼ 0.2% vs a year agoper kWh, August 2026; ranks 3 of 51 (1 = highest)

Commercial rate

24.11¢

per kWh, August 2026

Average home bill

$183

per month over the last 12 months, about 602 kWh

U.S. residential average

18.16¢

Massachusetts is 68% above the U.S. average.

Find your utility's rate by ZIP

Massachusetts vs U.S. residential rate

Cents per kWh by month, last 36 months.

Last 12 months in Massachusetts

Month	Residential	Commercial	U.S. residential	Avg kWh	Avg bill
August 2026	30.48¢	24.11¢	18.16¢	774	$236
July 2026	30.49¢	24.41¢	18.31¢	738	$225
June 2026	29.61¢	24.45¢	18.34¢	576	$171
May 2026	28.82¢	24.00¢	18.44¢	474	$137
April 2026	29.45¢	23.99¢	18.86¢	491	$145
March 2026	30.21¢	25.11¢	18.60¢	594	$179
February 2026	30.46¢	25.34¢	17.65¢	705	$215
January 2026	31.16¢	25.84¢	17.45¢	717	$223
December 2025	30.80¢	24.82¢	17.11¢	638	$197
November 2025	31.13¢	23.83¢	17.77¢	484	$151
October 2025	31.29¢	21.90¢	17.95¢	490	$153
September 2025	30.31¢	22.02¢	18.05¢	542	$164

Largest utilities in Massachusetts

Residential rates for the biggest utilities in Massachusetts that report monthly to EIA, ordered by number of homes served, for August 2026.

Utility	Type	Rate	Avg kWh	Avg bill	Homes
Massachusetts Electric Co	Investor Owned	33.43¢	610	$204	409,610
NSTAR Electric Company	Investor Owned	20.85¢	565	$118	246,514
Town of Reading - (MA)	Municipal	19.24¢	1,035	$199	27,797
City of Holyoke - (MA)	Municipal	17.82¢	739	$132	15,268
Town of Wellesley - (MA)	Municipal	16.58¢	1,125	$187	9,373
Fitchburg Gas & Elec Light Co	Investor Owned	39.89¢	462	$184	4,420
Nantucket Electric Co	Investor Owned	38.15¢	1,310	$500	2,277

What electricity adds to owning a home in Massachusetts

A typical Massachusetts home is valued at $655,219 (Zillow). With 10% down at this week's 7.24% 30-year rate, principal and interest come to about $4,019 a month. The average electric bill of $183 adds about 5% on top of that, or $2,195 a year. See Massachusetts property tax and closing costs or run the monthly payment.

Bills follow the seasons: in Massachusetts the highest-use month of the last year averaged 774 kWh per home and the lowest 474 kWh. Budget for the expensive months, not the average.

Common questions

What is the average electricity rate in Massachusetts?

Homes in Massachusetts paid an average of 30.48 cents per kWh in August 2026, 68% above the U.S. average of 18.16 cents (EIA Form 861M).

How much is the average electric bill in Massachusetts?

Over the last 12 months the average Massachusetts home used about 602 kWh a month and paid about $183 a month.

Have Massachusetts electricity rates gone up?

The residential rate is 0.2% lower than in August 2025, when it was 30.55 cents per kWh.

What do businesses pay for electricity in Massachusetts?

Commercial customers in Massachusetts paid 24.11 cents per kWh in August 2026.

Electricity rates in all statesRanked table and ZIP lookup Massachusetts buying costsProperty tax, transfer tax and closing costs Massachusetts buyer programsDown payment help where you live

Sources: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue (state and utility data, latest month August 2026; EIA marks recent months preliminary and may revise them); ZIP-to-utility map: OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zip Code (2024), CC BY 4.0. Rates are average revenue per kWh (total bill divided by kWh sold), so they include fixed and delivery charges. EIA posts each month about eight weeks after it ends; this page checks for new data every morning.