States › Massachusetts › September 2025
Massachusetts electricity prices, September 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In September 2025, residential customers in Massachusetts paid an average of 30.41¢ per kilowatthour, up 3.9% on the same month a year earlier (29.26¢). The US average for the month was 18.08¢; Massachusetts was 68% above that. It ranked 4th highest among the 50 states and the District of Columbia.
Residential sales were 1,588,856 MWh, little changed on a year earlier, and the average residential bill for the month was $165.78 on 545 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Sep 2025 | Sep 2024 | Change | US, Sep 2025 |
|---|---|---|---|---|
| Residential | 30.41¢ | 29.26¢ | +3.9% | 18.08¢ |
| Commercial | 22.00¢ | 20.64¢ | +6.6% | 13.99¢ |
| Industrial | 18.53¢ | 18.32¢ | +1.1% | 9.02¢ |
| All sectors | 24.72¢ | 23.76¢ | +4.0% | 14.21¢ |
Sales and customers
| Measure | Sep 2025 | Sep 2024 | Change |
|---|---|---|---|
| Residential sales | 1.6 TWh | 1.6 TWh | +0.6% |
| Sales, all sectors | 4.2 TWh | 3.9 TWh | +6.3% |
| Residential customers | 2,914,597 | 2,825,649 | +3.1% |
| Average residential bill | $165.78 | $163.60 | +1.3% |
| Average residential use, kWh | 545 | 559 | -2.5% |
| US residential price | 18.08¢ | 16.82¢ | +7.5% |
The two years to September 2025
Massachusetts residentialUS residential
Questions and answers
What was the average electricity price in Massachusetts in September 2025?
30.41¢ per kilowatthour for residential customers, 22.00¢ for commercial and 18.53¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 29.26¢ in September 2024, a change of +3.9%. Residential sales changed by +0.6% over the same period.
What was the average residential bill that month?
$165.78, on average use of 545 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Massachusetts page.