Rate comparison

How this price compares

Ranked by price against the 27 utilities reporting residential rates in Massachusetts, NSTAR Electric Company comes 24th of 27. The state's range runs from Town of Hudson - (MA) at 13.39¢ to Fitchburg Gas & Elec Light Co at 40.08¢, so where a household sits inside Massachusetts depends far more on which utility serves it than on the statewide average alone.

Against the 3 other investor owned utilities reporting in Massachusetts, whose customer-weighted average is 33.68¢, NSTAR Electric Company is below its own ownership class within the state (-11.2%).

State price distribution

Territory and usage

Scale and consumption

NSTAR Electric Company reported 383.4K residential customers, ranking 2nd of 27 utilities in Massachusetts by customers served and covering 30.0% of the state's reported residential customers.

Dividing reported residential sales by customers served gives about 5,497 kWh per customer per year - -33.9% against the Massachusetts median of 8,321 kWh , implying a typical annual bill near $1,644.

State peers

Every utility reporting in Massachusetts

All 27 utilities reporting bundled residential service in Massachusetts, largest first, with NSTAR Electric Company marked. The named companies either side of it are the ones a household in this state might otherwise be served by.

For generation mix and price history statewide, see electricity rates in Massachusetts.

Ownership class peers

Investor Owned utilities with similar residential prices

Beyond Massachusetts, these indexable investor owned utilities report the closest residential averages to NSTAR Electric Company in the same Form 861 release. Peer sets differ by ownership class and price, not a shared national list.

FAQ

Common questions about NSTAR Electric Company rates

How much does NSTAR Electric Company charge per kWh?

NSTAR Electric Company reported an average residential price of 29.91¢ per kWh across its bundled residential customers in the 2024 EIA Form 861 release. That is an annual average across all its residential customers, not a rate schedule, so an individual bill depends on the tariff, usage pattern and season.

Is NSTAR Electric Company expensive compared with the rest of Massachusetts?

Its average residential price is close to the Massachusetts customer-weighted average of 28.21¢ per kWh, a difference of +6.0%. The state figure is weighted by customers across the 27 utilities reporting residential service in Massachusetts.

What is the average electricity bill for NSTAR Electric Company customers?

Dividing reported residential sales by residential customers gives about 5,497 kWh per customer per year. At the reported average price that implies roughly $1,644 a year, or about $137 a month. This is RateWatt's arithmetic on two EIA columns, not a figure EIA publishes.

Who owns NSTAR Electric Company?

EIA classifies NSTAR Electric Company as Investor Owned, a shareholder-owned company whose retail rates are set through a state regulatory commission. Nationally, the customer-weighted average across Investor Owned utilities was 18.37¢ per kWh in the 2024 Form 861 release.

Limitations

What this page does and does not tell you

• An average across bundled residential customers for the year, revenue divided by sales, not a rate schedule.
• Form 861 presence is not evidence of availability at an address or of customer choice.

See our methodology and understanding rate structures .

Source: U.S. Energy Information Administration (EIA), Form 861 annual electric power industry report, 2024 release. Retrieved and formatted by RateWatt.