21.49¢
per kWh, 2025
[ Eversource Massachusetts / MA ]
Eversource Massachusetts electricity rates in Massachusetts
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
−28.1%
vs 2024
1,274,856
residential customers
−4.0%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Eversource Massachusetts's average effective residential rate (21.49¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 21.13¢ | — | 1,063,565 |
| 2016 | 20.18¢ | −4.5% | 1,024,972 |
| 2017 | 21.03¢ | +4.2% | 1,030,322 |
| 2018 | 23.06¢ | +9.7% | 1,230,516 |
| 2019 | 22.53¢ | −2.3% | 1,239,884 |
| 2020 | 22.39¢ | −0.6% | 1,246,086 |
| 2021 | 24.25¢ | +8.3% | 1,255,128 |
| 2022 | 29.31¢ | +20.9% | 1,289,709 |
| 2023 | 29.66¢ | +1.2% | 1,283,644 |
| 2024 | 29.91¢ | +0.8% | 1,303,076 |
| 2025 | 21.49¢ | −28.1% | 1,274,856 |
How this compares
30.41¢
Massachusetts average, 2025
−29.3%
Eversource Massachusetts vs MA 2025 average
+24.7%
vs US 2025 average
#4
priciest in MA
Eversource Massachusetts files with the EIA as NSTAR Electric Company (utility ID 54913).
Serves 11 counties in Massachusetts: Barnstable, Berkshire, Bristol, Dukes, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk. 289 ZIP codes.
Questions
Is Eversource Massachusetts raising rates in 2026?
No rate case for Eversource Massachusetts is on file with the Massachusetts Department of Public Utilities in our tracker. Its average residential rate moved −28.1% from 2024 to 2025. We check the commission docket monthly.
What does Eversource Massachusetts charge per kWh?
Eversource Massachusetts's average effective residential rate was 21.49¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Massachusetts's 2025 average was 30.41¢.
How much have Eversource Massachusetts rates gone up in five years?
−4.0% between 2020 and 2025, against +33.3% for Massachusetts as a whole over the latest five-year window.
How many customers does Eversource Massachusetts have in Massachusetts?
1,274,856 residential customers in 2025, across 11 counties including Barnstable, Berkshire, Bristol, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Massachusetts Department of Public Utilities docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)