Energy Calculators

Electricity rates in Massachusetts

The average residential electricity price in Massachusetts was 30.48¢/kWh in August 2026, 67.8% above the U.S. average of 18.16¢/kWh (EIA).

Average price (Aug 2026)
30.48¢/kWh
Change vs Aug 2025
−0.2%−0.07¢/kWh
Rank (1 = most expensive)
3rdof 51
vs U.S. average
+67.8%+12.32¢/kWh

Massachusetts residential electricity price, last 12 months

Massachusetts vs U.S. average residential electricity price, last 12 monthsMassachusetts: 30.3¢ in Sep 2025, 30.5¢ in Aug 2026. Low 28.8¢, high 31.3¢.15.0¢20.0¢25.0¢30.0¢35.0¢Nov 2025Feb 2026May 2026Aug 2026
· cents per kWh
Show data table
MonthMassachusettsU.S. average
Aug 202630.5¢18.2¢
Jul 202630.5¢18.3¢
Jun 202629.6¢18.4¢
May 202628.8¢18.4¢
Apr 202629.4¢18.9¢
Mar 202630.2¢18.6¢
Feb 202630.5¢17.6¢
Jan 202631.2¢17.4¢
Dec 202530.8¢17.1¢
Nov 202531.1¢17.8¢
Oct 202531.3¢17.9¢
Sep 202530.3¢18.1¢

Source: U.S. Energy Information Administration (Aug 2026). Retrieved November 5, 2026. About our data

What common appliances cost to run in Massachusetts

Worked examples at 30.48¢/kWh, the August 2026 average:

  • Running a 1,500 W space heater 6 hours a day for 30 days uses 270 kWh and costs about $82.30.
  • Running a 3,500 W central air conditioner 8 hours a day for 30 days uses 840 kWh and costs about $256.03.
  • Running a refrigerator using 500 kWh per year uses 500 kWh and costs about $152.40 a year.

Try your own appliance in the appliance cost calculator.

Typical monthly use and bill

Massachusetts residential customers used an average of 596 kWh a month in 2025 (EIA annual data). At 30.48¢/kWh, that works out to about $181.66 a month.

States with similar prices

Compare all 50 states and DC

Frequently asked questions

Is electricity expensive in Massachusetts?

Massachusetts ranked 3rd most expensive of 51 (50 states and DC) in August 2026, at 30.48¢/kWh versus the U.S. average of 18.16¢/kWh.

How have Massachusetts electricity prices changed over the past year?

The average residential price fell from 30.55¢/kWh in August 2025 to 30.48¢/kWh in August 2026, a change of −0.2%.

What is a typical electric bill in Massachusetts?

Residential customers in Massachusetts used an average of 596 kWh a month in 2025. At 30.48¢/kWh that is about $181.66 a month. Use the electric bill calculator for your own usage.

Why might my Massachusetts rate differ from this average?

The state average blends every utility, rate plan and fixed charge in the state. Utilities, co-ops and municipal providers set different tariffs, and time-of-use or tiered plans change the price of each kWh. Divide your bill total by your kWh for your own average rate.

Data last updated: