Nantucket Electric Co electricity rates in Massachusetts, 2025
Nantucket Electric Co’s 2,215 residential customers paid an average of 35.91¢ per kWh in 2025, 18% above the Massachusetts average of 30.41¢. The typical home used 822 kWh a month, for an average bill of $295.
- 35.91¢avg ¢/kWh (2025)+0.80¢ (+2.3%) vs 2024
- $295Avg monthly billMassachusetts: $181
- 822 kWhAvg monthly useMassachusetts: 596 kWh
- 2,215Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 2,215 | 21,853 | $7,847,900 | 35.91¢ | 35.11¢ | +0.80¢ (+2.3%) |
| Commercial | 280 | 3,233 | $935,600 | 28.94¢ | 30.14¢ | −1.20¢ (-4.0%) |
| Industrial | 1 | 20 | $6,400 | 32.00¢ | 30.40¢ | +1.60¢ (+5.3%) |
| All sectors | 2,496 | 25,106 | $8,789,900 | 35.01¢ | 34.55¢ | +0.46¢ (+1.3%) |
How Nantucket Electric Co compares
- Massachusetts residential average, 2025: 30.41¢ per kWh, 596 kWh a month, $181 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 20 full-service utilities in Massachusetts with at least 1,000 residential customers, Nantucket Electric Co ranks 19 of 20 from lowest to highest average price.
- Latest monthly figure: Massachusetts homes paid 30.48¢ per kWh in August 2026 (preliminary), against 30.55¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 2.3%; the state average rose 3.6%.
- Another 10,751 residential customers buy supply from a competitive supplier and pay Nantucket Electric Co only for delivery, averaging 20.75¢ per kWh for that service.
- Nantucket Electric Co is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: ISNE.
Where Nantucket Electric Co serves
EIA lists 1 Massachusetts county in its 2025 service territory: Nantucket.
3 ZIP codes are matched to Nantucket Electric Co in NREL’s 2024 ZIP file: 02554, 02564, 02584. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Massachusetts full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| City of Peabody (MA) | 16.88¢ | $121 | 22,697 |
| City of Norwood (MA) | 17.61¢ | $98 | 13,617 |
| City of Westfield (MA) | 18.46¢ | $125 | 16,386 |
| City of Taunton (MA) | 18.81¢ | $130 | 34,952 |
| Town of Reading (MA) | 19.95¢ | $165 | 26,573 |
| NSTAR Electric Company | 21.49¢ | $102 | 306,795 |
| Massachusetts Electric Co | 33.66¢ | $164 | 438,150 |
| Fitchburg Gas & Elec Light Co | 36.24¢ | $164 | 3,657 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.
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