Eversource Massachusetts electric rates

Updated October 7, 2026 · Source: EIA Form 861 (2024)

Investor-owned utility serving 1,303,076 homes in Massachusetts.

Your rate

19.92¢per kWh, average residential rate 21% higher than the U.S. average (16.4¢)

$191average monthly bill at the current tariff$2,295 a year

504kWh used per month, average home

+22%rate change since 2020U.S. average: +28%

Massachusetts is a retail-choice state: this utility's rate case sets the delivery part of your bill. The supply part comes from your chosen supplier or the default service rate.

Estimate your bill

Electricity you use each month (kWh)

It's on your bill, usually near the top. Starting at 504 kWh, the average for Eversource Massachusetts homes.

kWh

$191 a month

$10 fixed charge + 36.0¢ × 504 kWh

This is an estimate. Tariff: $10.00 fixed + 36.0¢/kWh effective September 1, 2026 (source). Eversource Eastern MA Rate R-1. Delivery effective Sep 1-Dec 31 2026: customer charge $10.00/mo; distribution 9.837c + transmission 4.673c + revenue decoupling 0.539c + distributed solar 0.583c + renewable 0.050c + net metering recovery 0.625c + system planning 0.008c + EV 0.104c + transition -0.077c + ESMP 0.001c + energy efficiency 2.292c (Greater Boston; Cape Cod 3.738c) = 18.64 c/kWh. Basic Service (default supply) residential fixed price 17.32 c/kWh for Aug 1 2026-Jan 31 2027. Sum 35.96c. Your bill also includes taxes and fuel adjustments that change month to month.

Rate cases

No rate case on file for Eversource Massachusetts right now. We check regulator dockets weekly; last check October 7, 2026. Know of one?

Rate history

Eversource Massachusetts's average rate is up 22% since 2020, versus +28% for the U.S. average.

Average residential revenue per kWh, EIA-861. Includes delivery and, where the utility sells it, supply.

Rebates for heat pumps, batteries and EV chargers

We haven't found utility-level rebates for Eversource Massachusetts yet. Check Massachusetts programs or read what's left after the federal credits ended.

About Eversource Massachusetts

Legal name: NSTAR Electric Company (Eversource)
Ownership: Investor Owned
Homes served: 1,303,076 residential customers (2024)
Grid operator: ISNE
Retail choice: Yes — you can pick a supplier for the energy portion
Data: EIA-861 2024, released October 7, 2026; rate cases checked October 7, 2026

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