Massachusetts Electric Co Electricity Rates and Average Bill (Massachusetts)
Data through July 2026 (the latest month EIA has published) · Updated October 13, 2026
As of July 2026, Massachusetts Electric Co's residential customers in Massachusetts paid an average effective rate of 35.07¢/kWh with an average monthly bill of $199.64, per EIA Form 861-M data. That rate is 4.6¢ above the Massachusetts average of 30.49¢/kWh; the U.S. average is 18.31¢/kWh.
Rate trend vs the Massachusetts average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| 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 |
| July 2026 | 35.07 | 199.64 | 569 |
Massachusetts Electric Co vs Massachusetts vs the U.S.
| Massachusetts Electric Co | Massachusetts | U.S. average | |
|---|---|---|---|
| Rate (July 2026) | 35.07¢/kWh | 30.49¢/kWh | 18.31¢/kWh |
| Average monthly bill | $199.64 | $224.86 | $212.44 |
| Average monthly usage | 569 kWh | 738 kWh | 1160 kWh |
| Rate change, 1 year | +10.8% | +1.4% | +4.9% |
Estimate a bill at Massachusetts Electric Co rates
Worked example: 1,000 kWh at Massachusetts Electric Co's average effective rate of 35.07¢/kWh is about $350.70. The utility's actual average usage is 569 kWh/month, which produces the $199.64 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.