Contact Us

Please contact us if you would like information, need to talk to an energy or education professional, or have questions.

The Institute for Sustainable Energy


Office: 372 High St Willimantic, CT 06226

Mailing Address: 83 Windham Street Willimantic, CT 06226

Phone: (860) 465-0251

Fax: (860) 465-0261


Hours of Operation: Monday – Friday 8am – 5pm