Massachusetts Distributed Generation, Interconnections & Net Metering Information and instructions on the safe interconnection of distributed generation to Eversource's infrastructure in Eastern and Western Massachusetts. Application to Interconnect Options and instructions for proceeding with an application to connect distributed generation to either Eversource's Eastern or Western Massachusetts electric infrastructure. Application Instructions COVID-19 Updates Updates to our Distributed Energy Resource Stakeholders during the COVID-19 pandemic.Learn More Affected System Operator Studies ISO-New England has determined transmission studies are needed for many distributed generation projects interconnecting to Eversource's infrastructure. More on ASO Studies Distribution Group Studies Eversource is performing distribution group studies to efficiently process and analyze distributed generation (DG) applications. Learn More Hosting Capacity Map A map detailing the hosting capacity by circuit to help distributed generation contractors and vendors select locations for interconnections to Eversource's system in Western Massachusetts.View the Map Net Metering If you are installing distributed generation, or already have distributed generation such as solar panels, you might be eligible for our net metering rate. Learn More About Net Metering Smart Solar Program Information for Installers The SMART Program is a Massachusetts solar incentive program. On this page, solar installers and developers can find useful reference materials. Information About the SMART Program Distributed Energy Resources (DER) Project Costs Typical distribution system and substation modification costs for Massachusetts DER projects. Estimated Costs Net Metering & Historic Information Statistics about Eversource's public and private net metering programs, updated monthly. Mass. Tariffs & Rules Tariffs governing Eversource's service in Massachusetts, as approved by the Department of Public Utilities. Contact Us Reach out to Eversource via phone, email and mail about distributed generation, interconnections and net metering.