The .gov means it’s official.
A .gov website belongs to an official government organization in the United States.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and
transmitted securely.
Our Transmission Programmatic Environmental Impact Statement tool is live!
We've created an interactive tool to help you explore the Transmission Programmatic EIS. Try it out - link opens an external site.
Learn more about the Transmission Programmatic EIS here.
A facility goes through five different stages. Click on one of the stages before to learn more about our siting process.
On July 20, 2026, we received a letter from Avangrid requesting the withdrawal of their application for site certification (ASC). There will be no more Council or staff action regarding a draft site certification agreement (SCA).
You can subscribe to email updates from EFSEC. Your email is used to deliver requested updates or to access your subscriber preferences.