The Distributed Generation Interconnection process ensures that your Distributed Generation has no adverse impacts on safety, reliability, and power quality. It begins in your stage of planning, continues through the installation of equipment, and completes with Inspections and Signoff.
View the latest National Grid presentation slides used in the Interconnection of Distributed Generation & Net Metering seminar in Massachusetts.
Find out about eligibility, government regulations, and how bills are determined.
To install a small renewable system using a single UL1741.1 (latest listing) listed inverter under 10kW for single-phase service and less than 25 KW for three-phase electric service.
To Install a Distributed Generation system that does not qualify for the Simplified process.
Complex (Expedited/Standard) Process:
During Open Enrollments, National Grid will be seeking applications to enter into standard contracts for the supply of energy, capacity and RECS for eligible renewable energy projects.
To view all MA downtown districts with Secondary Networks.
National Grid’s most asked about Questions and Answers.
View additional Distributed Generation Information.
Select category “Distributed Generation” or e-mail: Distributed.Generation@nationalgrid.com