Residential Energy Conservation

Groton Utilities believes in “Efficiency through Electrification” and wants to help electrify your life!

Groton Utilities offers residential customers a variety of energy conservation programs to help you become more energy efficient. Use the Residential Energy Conservation Center to help you save money on large energy efficiency purchases such as mini-split air conditioning, heat pump hot water heaters and electric vehicles.

Check this page for our current rebate offers and other helpful programs and tips to help lower your utility bills and save you money on energy efficiency purchases.


Residential Rebate Center

Save thousands of dollars on HVAC mini-splits, Heat Pump Water Heaters, Smart Thermostats amongst other items. GU believes in the electrification of your home, vehicle and your life in general and wants to help you save money along the way.

Visit our Rebate Center to save money while you conserve energy.

Electric vehicle charging

Electric Vehicle Rebate Center

Groton Utilities wants to help you buy an electric vehicle (EV). Through GU, state and federal rebates you can save thousands of dollars on your EV purchase – and never buy gas again!

Visit our EV Rebate Center to learn about all the ways to save money on your EV purchase.

Electric Vehicle Rebate Center

2022 Energy Conservation Rebates

2022 Rebate Promotion

We want you to save money – and now we’ve doubled or more some of our best rebates! Electric Vehicle purchase is now $4,000 rebate! HVAC Mini-Splits compressor paid in full! Heat Pump Water Heaters equipment paid in full. You can’t beat these rebates anywhere – apply now!

Electric Vehicle Rebate

Residential AC Rebate

Heat Pump Water Heater Rebate

Smart Thermostat Rebate

HES Inspection

Home Energy Audit

Groton Utilities residential Home Energy Savings Program, subsidized in part by a State of Connecticut grant, provides a comprehensive in-home energy assessment service for your dwelling. Free to Groton Utilities and Bozrah Light and Power customers!

Home Energy Savings (HES) Program

Saving Money

Energy Saving Tips

There are so many ways to save money on your electric and water bill each month, you just need to know where to start. We’ve gathered up some of our best tips in one place to help save you a little bit on your monthly utility bill.

Energy Saving Tips