Massachusetts Electricity Prices

Massachusetts sits in the most expensive quarter of the country — 28.82¢ per kilowatt-hour in May 2026, 5th-highest of 51 and 48.5% above the national benchmark. The index reports the published average, not its causes.

At Massachusetts's May 2026 average of 28.82¢/kWh, 10,500 kWh of annual use works out to $3,026 a year — around $252 a month. Running the same 10,500 kWh calculation at the May 2026 national benchmark rate gives $2,038 — a $988 gap between the two published averages, more for Massachusetts, not a bill either way.

Over the full EIA series the Massachusetts jurisdiction average has risen 143% since January 2001, from 11.86¢ to 28.82¢ in May 2026 — a compound 3.6% per year. Month-to-month movement has been about typical for a reporting jurisdiction.

March 2023, at 32.72¢ per kilowatt-hour. The May 2026 reading of 28.82¢ sits 11.9% below that peak. The lowest monthly average on record was 10.50¢ in January 2003.

December. Measured over the 25 complete calendar years the EIA series covers for Massachusetts, 2001 through 2025, December runs highest relative to its own year and July runs lowest — a swing of roughly 5.6 percentage points.

Among Massachusetts and its land-border neighbours in May 2026, New Hampshire posts the lowest average at 27.33¢ and New York the highest at 29.93¢. Massachusetts ranks 3rd of 5 in the group, at 28.82¢.

Almost certainly not exactly, and this is the one caveat that governs every figure on this page. The published value is the EIA residential average across every utility and residential rate class in Massachusetts for May 2026 — a benchmark, never a billed amount. Even the jurisdiction figure is not one number — across the trailing year it moved between 28.82¢ in May 2026 and 31.37¢ in October 2025. Your own rate depends on your utility, tariff, usage tier, time-of-use schedule, and fixed monthly charges, none of which this index models. Read your bill for the rate that applies to you.