US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

NewInsight: Investor-owned utilities charge 23% more for power

Massachusetts

Eversource (NSTAR Electric) electricity rates

What homes pay Eversource (NSTAR Electric) for electricity, from EIA.

Investor-owned utility, 246,514 homes in Massachusetts. EIA lists it as NSTAR Electric Company.

Headlines

Average price
19.7¢ a kWh
Down 19% on a year ago
Average bill
$98 a month
Down 11% on a year ago
Average use
496 kWh
A month. Massachusetts 602 kWh
Price rank in Massachusetts
2 of 4
1 is the most expensive

Over the 12 months to August 2026, Eversource (NSTAR Electric) homes paid 19.7¢ a kWh, against 30.4¢ across Massachusetts.

Many homes in Massachusetts buy power from a retail supplier. These figures cover Eversource (NSTAR Electric)'s own customers, who buy delivery and power from it.

Eversource (NSTAR Electric) vs Massachusetts

Eversource (NSTAR Electric)Massachusetts
Average price, 12 months to August 202619.7¢30.4¢
Price in August 202620.9¢30.5¢
Average monthly bill, 12 months$98$183
Bill in August 2026$118$236
Average monthly use496 kWh602 kWh
Price change, past year-19%+0.8%
Price change since 2019-12%+39%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including August 2026

Source: EIA-861M monthly utility survey.