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Connecticut Energy Storage Solutions

A battery program available to select Sunrun solar and battery customers in Connecticut.
Seamlessly use & export stored energy at peak demand times
Get rewarded for relieving grid strain
Keep power for backup

Having a battery just got even more rewarding

Backup your home

You’ll keep an automatic 20% backup reserve in case of an outage. In the event of an outage, your system won’t send any energy to the grid.

Share excess energy during peak demand

During a grid event, your battery will be programmed by Sunrun to send energy to the home and local grid. Grid events occur when demand is highest - but you’ll be in as many as 65 events per year.

Get rewarded for helping the grid

Tesla Powerwall and Franklin battery systems may earn $400 per battery per year* (or more) for participating in both winter and summer seasons over 10 years of enrollment.

How to enroll


Eligible customers will sign the program terms and conditions during their Sunun sales process. Sunrun will complete their application for approval by their utility and program administrators.

FAQs

10 years. Details may vary from year to year, and will be communicated ahead of each year.  See the terms and conditions for more information.

The incentive will be paid via a prepaid reward card or as a Sunrun bill credit, determined solely at Sunrun’s election, which may be subject to change each year. For the first five years, participants with a Tesla or Franklin system will earn $400 per battery per year*. 

Annual Payment Structure*

Performance Season 

Tesla  Powerwall & FranklinWH

Battery

Standard

$400/battery*

Community Benefit Adder

+$100/battery*

Participants may qualify for an additional Community Benefit Adder of $100 per battery*. Participants qualify by meeting one of the following requirements:

  • Underserved Location: Participant’s service property address is in one of the following municipalities: Windham, Sterling, East Hartford, Winchester, Norwich, West Haven, Torrington, Meriden, Plainfield, Willington, North Canaan, Waterbury, Hartford, New Britain, Lisbon, Plymouth, Sprague, East Haven, Putnam, Derby, Mansfield, Killingly, Stafford, New London, Bridgeport, Preston, Stratford, Bristol, Groton, North Stonington, Voluntown, Ansonia, Chaplin, Griswold, Montville, Naugatuck, New Haven.

  • Utility Bill Rate Plan: Participant’s service property address is enrolled in a qualifying low-income rate schedule: Eversource’s Connecticut Electric Discount Rate or United Illuminating’s  Low-Income Discount Rate

Please see the program terms and conditions for more information. 

Your battery will send energy to your home and (when available) share to the local grid when demand is highest on up to 65 days annually. This will happen between 12PM-9PM for up to 3 hours, when Grid Events are called. On all other days, your battery will continue its default settings.

Your battery system will participate in Grid Events during the Summer and Winter seasons, according to the following schedule:

Performance Season 

Time Range and Duration for Grid Events

Number of Grid Events Per Season 

Summer (June 1 - September 30)

12:00PM - 9:00PM; Up to 3 hours

30-60

Winter (November 1 - March 31)

12:00PM - 9:00PM; Up to 3 hours

1-10

Yes. On most days, your battery will keep all stored power for backup. On the days of high demand when you use or share stored power, your home battery will always reserve at least 20% capacity for backup. In addition, Sunrun watches storms closely and has set up a weather readiness setting integrated into this program. If there is an upcoming outage or storm we can track, your battery will retain its power to prepare. And of course, in the event of a power outage, your battery will not send any energy to the grid.

Yes, you can opt out any time by emailing Sunrun’s Grid Services team at grid@sunrun.com. If you opt out of the program, you will no longer receive the program rewards.

Please email our Sunrun Grid Services team at grid@sunrun.com or call us at 844-809-3745.

This program is overseen by the Public Utilities Regulatory Authority (PURA), is paid for by electric ratepayers, and is administered by the Connecticut Green Bank, Eversource, and UI.

*See terms and conditions for details.