States › Massachusetts › May 2026
Massachusetts electricity prices, May 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In May 2026, residential customers in Massachusetts paid an average of 28.82¢ per kilowatthour, down 3.6% on the same month a year earlier (29.90¢). The US average for the month was 18.44¢; Massachusetts was 56% above that. It ranked 5th highest among the 50 states and the District of Columbia.
Residential sales were 1,358,941 MWh, down 3.9% on a year earlier, and the average residential bill for the month was $136.60 on 474 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 | May 2026 | May 2025 | Change | US, May 2026 |
|---|---|---|---|---|
| Residential | 28.82¢ | 29.90¢ | -3.6% | 18.44¢ |
| Commercial | 24.07¢ | 22.28¢ | +8.0% | 13.54¢ |
| Industrial | 19.94¢ | 19.00¢ | +4.9% | 8.71¢ |
| All sectors | 25.12¢ | 24.58¢ | +2.2% | 13.83¢ |
Sales and customers
| Measure | May 2026 | May 2025 | Change |
|---|---|---|---|
| Residential sales | 1.4 TWh | 1.4 TWh | -3.9% |
| Sales, all sectors | 3.8 TWh | 3.8 TWh | -2.3% |
| Residential customers | 2,867,016 | 2,892,700 | -0.9% |
| Average residential bill | $136.60 | $146.20 | -6.6% |
| Average residential use, kWh | 474 | 489 | -3.1% |
| US residential price | 18.44¢ | 17.37¢ | +6.2% |
The two years to May 2026
Massachusetts residentialUS residential
Questions and answers
What was the average electricity price in Massachusetts in May 2026?
28.82¢ per kilowatthour for residential customers, 24.07¢ for commercial and 19.94¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 29.90¢ in May 2025, a change of -3.6%. Residential sales changed by -3.9% over the same period.
What was the average residential bill that month?
$136.60, on average use of 474 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.