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.

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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.

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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're 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 modification costs for Massachusetts DER projects.

Estimated costs

Additional Information