Mass Save® is Massachusetts’ statewide energy efficiency and electrification initiative, led by a collaborative of Berkshire Gas, Cape Light Compact, Eversource, Liberty, National Grid, and Unitil. Through a range of services, rebates, incentives, trainings, and information, Mass Save solutions help residents, businesses, and communities make energy upgrades that support a cleaner, more affordable energy future.
Understanding your Home Energy Assessment options
Learn how Mass Save Home Energy Assessments and weatherization upgrades work, who you'll work with, and how to choose the option that's right for you.