Groton Utilities is a municipally owned and operated utility providing Electric and Water services to thousands of consumers in Southeastern Connecticut.

Conservation Tips

Run only full loads in dishwashers and washing machines. Rinse all hand washed dishes at once.

Click here for more conservation tips

As a leader in Southeastern Connecticut, we provide essential electric, water and other services at prices which reflect exceptional customer value and quality. We enhance and support the vitality and livability of the communities we serve.

Upcoming Events

The next Holiday Closing will be Thursday, November 26 and Friday, November 27, 2015 for the Thanksgiving Holiday

Utility News

The Benefits of Public Power (Video)
 Storm Preparation: Lesson Learned - Start Early
 Groton Utilities Is Not Restricting Water Use
Shut-Off Notice Alert
 Gaudet Named Director of Utilities at Groton Utilities
Use Water Wisely
Current Purchased Power Adjustment & Transmission Cost Adjustment Rates
 Proud Salutes for the Veterans of Southeastern Connecticut
Groton Utilities Jacqueline B. Nixon Community Service Award Presented to Jim Streeter
 Groton Utilities Congratulates the U.S. Coast Guard on its 225 Years of Service

Current Warnings

At your service since 1904

Updated as of June 8, 2015

PHONE SCAM: Callers claiming to represent Groton Utilities and/or the City of Groton and asking for payment in order to avoid utility service termination. The callers target local residents / businesses and request payment directly with the caller.

DO NOT give ANY information to anyone on the phone before assuring that the call is legitimate. Groton Utilities does not use any type of 800 number. Don't assume the call is from Groton Utilities / City of Groton by the Caller ID only. Please contact GU at 860-446-4000 to verify the legitimacy of a call.


Please be aware that Groton Utilities billing address has changed.

PO BOX 4109
WOBURN MA 01888-4109

If you have automatic bill pay through your Financial Institution or Another Automatic Bill Pay Service, you need to change the billing address to: PO BOX 4109 WOBURN MA 01888-4109. Payments being sent to the Hartford, CT address will continue to be processed until February 1, 2014.