Corporation Utility Massachusetts

National Grid Massachusetts

Electric utility serving 1.3 million customers in central and southeastern Massachusetts including Worcester. Compare electricity suppliers and save.

About National Grid Massachusetts

National Grid provides electric distribution services to approximately 1.3 million customers in Massachusetts, primarily in the central and southeastern regions including Worcester.

Eversource Service Territory Map: MA Coverage Guide

Find out exactly which towns Eversource serves in Massachusetts, how the territory boundaries affect your electric rates, and how to compare supplier offers.

Air Conditioner Energy Efficiency Ratings Explained

Learn what SEER2, EER2, and CEER ratings mean, how they affect your Massachusetts electric bill, and which units save the most money.

Community Aggregation Electricity in Massachusetts

Learn how municipal aggregation works in Massachusetts, what the opt-out letter means, and whether Basic Service or a competitive rate is better for your home.