Massachusetts Electric Co Electricity Rates and Average Bill (Massachusetts)
Data through June 2026 (the latest month EIA has published) · Updated September 04, 2026
As of June 2026, Massachusetts Electric Co's residential customers in Massachusetts paid an average effective rate of 32.12¢/kWh with an average monthly bill of $151.46, per EIA Form 861-M data. That rate is 2.5¢ above the Massachusetts average of 29.61¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the Massachusetts average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 31.64 | 209.55 | 662 |
| August 2025 | 36.91 | 184.65 | 500 |
| September 2025 | 36.20 | 144.85 | 400 |
| October 2025 | 34.33 | 125.69 | 366 |
| November 2025 | 31.54 | 140.17 | 444 |
| December 2025 | 32.15 | 190.82 | 593 |
| January 2026 | 33.59 | 213.63 | 636 |
| February 2026 | 35.65 | 207.10 | 581 |
| March 2026 | 34.61 | 173.16 | 500 |
| April 2026 | 36.18 | 138.47 | 383 |
| May 2026 | 31.73 | 122.02 | 385 |
| June 2026 | 32.12 | 151.46 | 472 |
Massachusetts Electric Co vs Massachusetts vs the U.S.
| Massachusetts Electric Co | Massachusetts | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 32.12¢/kWh | 29.61¢/kWh | 18.34¢/kWh |
| Average monthly bill | $151.46 | $170.54 | $170.65 |
| Average monthly usage | 472 kWh | 576 kWh | 930 kWh |
| Rate change, 1 year | +2.9% | −2.4% | +5.0% |
Estimate a bill at Massachusetts Electric Co rates
Worked example: 1,000 kWh at Massachusetts Electric Co's average effective rate of 32.12¢/kWh is about $321.20. The utility's actual average usage is 472 kWh/month, which produces the $151.46 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Massachusetts rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.