Massachusetts electric utilities

Residential electricity data by utility in Massachusetts

These 2 provider pages passed our first-publication quality rules: finalized 2024 EIA data, bundled residential service, observed data, at least 100,000 customers, and a reported service territory.

Massachusetts Electric Co Investor Owned · EIA 11804 33.60¢/kWh 526,437 residential customers NSTAR Electric Company Investor Owned · EIA 54913 29.91¢/kWh 383,373 residential customers

Important

Provider averages are historical—not tariff sheets.

EIA annual provider averages are useful for understanding reported residential revenue and sales. Actual customer bills depend on the current tariff and other bill components. For newer statewide context, see the Massachusetts electricity-rate page.