Massachusetts · Investor Owned
Massachusetts Electric Co
33.66¢ per kWh, bundled, EIA-861 2025. Average bill $163.79 at 486.5 kWh a month, across 438,150 customers on that row.
Massachusetts averaged 30.41¢/kWh and $181.08 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 793,715, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$336.60
33.66¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Other service rows
Delivery and bundled prices cover different charges, so they are listed separately.
| Row | ¢/kWh | Bill | kWh | Customers |
|---|---|---|---|---|
| Delivery only | 18.73¢ | $109.28 | 583.5 | 793,715 |
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 20.50¢ | $123.97 | 604.8 | 864,677 |
| 2016 | 19.18¢ | $111.79 | 582.8 | 678,140 |
| 2017 | 20.88¢ | $119.33 | 571.5 | 675,961 |
| 2018 | 23.10¢ | $134.21 | 580.9 | 668,175 |
| 2019 | 23.83¢ | $130.02 | 545.6 | 670,255 |
| 2020 | 24.10¢ | $137.49 | 570.6 | 619,778 |
| 2021 | 24.92¢ | $138.81 | 556.9 | 597,759 |
| 2022 | 28.53¢ | $155.91 | 546.4 | 611,277 |
| 2023 | 36.72¢ | $178.72 | 486.7 | 573,012 |
| 2024 | 33.60¢ | $165.44 | 492.4 | 526,437 |
| 2025 | 33.66¢ | $163.79 | 486.5 | 438,150 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
Barnstable, Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk, Worcester.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool