COVID-19 Update:

To protect the health of our staff and our customers, Efficiency Vermont offices are closed to the public. In the meantime, our customer support team is available to help you remotely. Contact us at (888) 921-5990 or

We have cautiously begun scheduling project related site visits when required. You can find more information on our safety protocols here.

Electric vehicles as grid resources in ISO-NE and Vermont

In 2013, Efficiency Vermont supported a small research and development project to examine the potential impact of electric vehicles on Vermont's power infrastructure. The study outlines various ways in which electric vehicles can serve as resources to the electric grid, in the context of Vermont's Comprehensive Energy Plan goal to power 25% of vehicles with renewable energy sources by 2030.

Download the final report