Massachusetts Solar Marketplace

Installing renewable energy systems, like solar, on buildings in Watertown will help drive the transition to clean, carbon-free energy to power our homes and businesses. Explore the Massachusetts Solar Marketplace to discover options for installing solar on your rental property. National Grid and Energy Sage can help you save an additional 10-20% on solar energy systems - on top of the current 26% federal tax incentive! Get multiple quotes from pre-approved installers and talk with an advisor online, for free, to choose solar with confidence.