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Why Are We Doing This Project?

The Greater Dorchester Area Initiative includes the construction of a new substation that will connect to the existing electric grid and new underground transmission lines, as well as distribution line work. The Greater Dorchester area has seen steady growth and an increased demand for electricity over the past several years. To help meet the community’s growing energy needs and provide reliable, and increasingly clean energy our customers deserve, upgrades are essential. 

The new substation that is part of the Greater Dorchester Area Initiative (formerly referred to as Hyde Park to Dorchester Supply Initiative) will help relieve heavily loaded existing area substations and support future development and electrification growth needed to reach Boston’s clean energy goals.

This project is part of our Electric Sector Modernization Plan (ESMP), a 10-year plan to enable Massachusetts’ Climate Law, there is a need to improve reliability and grow the capacity of the electrical infrastructure that supports the greater Dorchester area of Boston.

Where Is The Work Being Done?

Project activity and work locations will be throughout the Boston neighborhoods of Dorchester, Hyde Park, Jamaica Plain, Mattapan, Roslindale and West Roxbury.

The Greater Dorchester Area Initiative is one of several planned infrastructure projects in Metro-Boston needed to support the growing demand for electricity. As these areas continue to grow, Eversource must upgrade or build new infrastructure to ensure all customers have equitable access to the benefits of a reliable electric system. 

Community Engagement

We are committed to working closely with the surrounding neighborhoods including residents, businesses, community organizations and municipal officials to provide project information and updates to keep you informed.

Community meeting presentations and other documents (files are PDF format):

• Meeting 1: Community Meeting (February 2023)
• Meeting 2: Electricity 101: The Grid and Transmission (October 2023)
• Meeting 3: System Planning Overview and Boston's Electrical Needs (November/December 2023)
• Meeting 4: Electrical Infrastructure Siting Process (January 2024)
• Meeting 5: EMF Information Session (April 2024)
• Meeting 6: Greater Dorchester Area Initiative Project Information Session (recording) (May 2025)
• Meeting 7: TNT-CIA-DUN Community Meeting (October 2025)
• Bill help programs on eversource.com 
• Understanding electric and magnetic fields (EMF)
• Project fact sheet

Throughout the project life cycle, our project engagement team will continue to provide opportunities for our key community members and residents to learn more about the project and engage with the project team.

Our engagement and communication goals continue to focus on:

• Community awareness: Keeping residents informed about the upcoming infrastructure upgrades that will affect their communities.
• Inclusive participation: Listening to residents, business owners and community leaders, whose voice matters in shaping the future of our shared infrastructure.
• Transparency and collaboration: Maintaining an open dialogue throughout the upgrade process, ensuring that community needs and concerns are addressed.

Watch this video to gain additional insight into how the electric grid works. 

Have Questions?

Keeping the lines of communication open is an important part of our work in your community, and you can provide feedback to our project team. 

For more information about this project, please read our frequently asked questions, call the project information hotline at 1-833-836-0302 or email ProjectInfoMA@eversource.com.

If you need this information in a different language, please email ProjectInfoMA@eversource.com.