Helping Connecticut make smart energy choices.
Get StartedEnergy Assessments
Energy assessments are an easy way to find custom savings opportunities and to optimize your energy use. Income qualified customers are eligible for additional rebates and savings.
Energy Assessments
Energy assessments are an easy way to find custom savings opportunities and to optimize your energy use. Income qualified customers are eligible for additional rebates and savings.
Supplier Rate Finder
Customers can choose a licensed supplier for their generation services which may lower their cost. Compare generation offers on Connecticut's Rate Board.
Supplier Rate Finder
Customers can choose a licensed supplier for their generation services which may lower their cost. Compare generation offers on Connecticut's Rate Board.
Rebates and Incentives
Explore rebates and incentives for energy efficiency upgrades such as insulation, heat pumps, appliances, and more that can help your home or business save money and energy.
Rebates and Incentives
Explore rebates and incentives for energy efficiency upgrades such as insulation, heat pumps, appliances, and more that can help your home or business save money and energy.
News and Announcements

The Energy Efficiency Board and Energize Connecticut Sponsors are pleased to present the 2024 Annual Legislative Report. This year’s report demonstrates the positive impact of our efforts related to Connecticut’s constituents, environment, economy, and workforce.

Effective July 1, 2024, residential customers applying for a heat pump rebate will need to pre-register projects at the start of the rebate application process to qualify for payment.
In line with the Department of Energy and Environmental Protection (DEEP) Final Determination of the 2022–2024 Plan, the Sponsors of Energize ConnecticutSM have discontinued rebates and incentives for natural gas equipment as of December 31, 2024, with a deadline to submit all 2024 residential boiler and furnace system rebate application by January 31, 2025.
Natural gas incentives remain available for qualifying customers participating in Home Energy SolutionsSM – Income Eligible, as well as for income-eligible multifamily properties with individual dwelling heating equipment participating in the Multifamily Initiative.

The Connecticut energy efficiency program administrators, also Sponsors of Energize CT, along with energy efficiency Program Administrators in Massachusetts, also the Sponsors of Mass Save®, are seeking proposals from qualified Bidders to provide a web-based marketplace for energy efficiency products offered to qualified residential and commercial and industrial (C&I) customers at discounted prices at the point of sale in their service territories.
The bidder will also be responsible for sub-marketplaces that serve customers who have participated in other Mass Save programs, including but not limited to Energy Savings Packages, which include a combination of customized and prescriptive products in a package delivered to eligible customers based on their qualification through a Mass Save online assessment. Energy Savings Packages will be optional for CT.
If you would like to participate, please email ee_ev_adr_procurement@eversource.com and galina.grisan@eversource.com to be sent an invitation.
RFP issued to Vendors: June 17, 2025
Deadline to Ask Questions via the ARIBA tool: July 7, 2025
Final Proposal Submission: July 18, 2025
As we all work together to build the next generation of zero energy buildings, we are excited to invite you to the Eversource Net Zero Energy Conference on June 12, 2025.
Join us virtually to learn from the experts from Interval Data Systems, Eversource’s and National Grid’s customer connections teams, Suffolk, STO Building Group, New Frameworks, Elkus Manfredi Architects, and The Green Engineer about how new net zero energy buildings are being powered, designed and constructed today.
Our agenda includes:
• Eversource’s own Nikki Bruno, Vice President, Clean Technologies as our opening keynote speaker with special expertise in networked geothermal technology
• A special session on industry roles in embodied carbon
• A strategy session with Tilak Subrahmanian, Vice President of Energy Efficiency and Electric Mobility for Eversource
• Information about Eversource’s technical and financial support available, designed to support the construction or renovation of net zero energy buildings
Date: Thursday, June 12, 2025
Time: 9:00 AM - 1:00 PM
Registration: No cost to attend
Eversource, on behalf of the Energize Connecticut Sponsors—including Avangrid subsidiaries CNG, SCG, and UI—invites qualified vendors to respond to a RFP for the support, maintenance, and enhancement of EnergizeCT.com. This three-year contract covers full website hosting, technical support, content updates, SEO, analytics, accessibility, and continued development of tools like the Rate Board, Document Library, and Contractor Portal.
The awarded vendor will play a key role in ensuring the site remains a dynamic, ADA-compliant, user-friendly resource for Connecticut residents and businesses seeking energy efficiency solutions.
Proposal Deadline:
May 28, 2025 at 3:00 PM ET
Submission Platform:
ARIBA only
Visit ARIBA to access the full RFP and submission instructions.
Eversource Energy Service Company (“Eversource”) will be issuing a request for proposals (“RFP”) for consulting, operations, and systems support related to various business operations and system support functions for the Energy Efficiency (“EE”), Electric Vehicle (“EV”) Charging, and Active Demand Response (“ADR”) programs. This includes support for operations, processes, and systems that use EE/EV/ADR tracking systems and mobile applications.
This RFP will include the following functions:
- Reporting and Data Analytics:
- Quality Assurance/Quality Control in EE/EV/ADR systems
- Business support projects (e.g., create internal program team dashboards, vendor scorecards, and expense trackers)
- Data analytics platform support.
- Hancock Mobile Application support
- Energize CT Dashboard support (i.e., work with CT business operations to integrate CT program measure and environmental justice community data)
- Independent System Operator data analytics and reporting
- Forward Capacity Market data analytics and reporting
- Consulting:
- Technical writing services (e.g., user manuals, program implementation manuals, energy efficiency plans, regulatory reporting, test plans)
- Marketing support services including implementation and ongoing management of statewide websites (MassSave.com, EnergizeCT.com, and NHSaves.com), HubSpot, Main Streets, and other initiatives including setup and execution of marketing campaigns, reporting, email marketing, direct mail, and other related activities
- for campaigns deployed in Massachusetts, Connecticut, and/or New Hampshire
- Connecticut data requests management to support writing, editing, and formatting responses for documents used to respond to data requests from external stakeholders
- Project management and enhancement support for implementation of IT projects (e.g., CT HES-HES-IE Hancock Mobile Application, Powerclerk, MA and CT statewide energy efficiency dashboard)
- Production and System Support:
- Project management, training, testing (e.g., testing of engineering algorithms in user acceptance testing environments), and engineering
- Loan data entry into customer systems and providing monthly report
Support business operations team with maintenance and updates to internal dashboards - Provide application and production support for internal data systems
- Testing:
- User acceptance testing (e.g., TrackSys programs and measures, TrackSys program workflows, and bulk upload template updates)
Eversource will be conducting this RFP through an ARIBA e-sourcing platform. If you would like to participate, please email ee_ev_adr_procurement@eversource.com by Friday, April 25, 2025, 2:00pm EST, to be sent an invitation. In ARIBA, you will find all the information necessary to navigate through the tool and respond to the RFP.
RFP issued to Vendors:
Thursday, May 15, 2025
Deadline to Ask Questions via the ARIBA tool:
Thursday, May 22, 2025
Final Proposal Submission:
Monday, June 16, 2025
Please note that all questions relating to this RFP must be submitted through the ARIBA Sourcing tool using the Messages function to ensure accurate information is provided to all project team members and suppliers, as well as to ensure process consistency. Eversource will ONLY provide information related to this RFP via the Message function. No other communication vehicles will be allowed.
Eversource Energy Service Company (“Eversource”) and United Illuminating (“UI”), Connecticut Natural Gas (“CNG”), and Southern Connecticut Gas (“SCG”) subsidiaries of AVANGRID, Inc., referred to as the Companies, as administrators of the Connecticut Energy Efficiency Fund, will be issuing a request for proposals for the CT Retro-Commissioning (RCx) Program.
The program aims to increase building owner and operator’s awareness of any operating inefficiencies in their facilities and to implement corrective measures with the goal of achieving energy (gas and electric) savings. The RCx program’s focus is on improving the building’s control strategies and operating procedures, not major capital equipment investments. The program being offered through this Request for Proposal is delivering two components for RCx opportunities:
- Traditional RCx - targeting customers with Direct Digital Control (DDC) based EMS and trending capability in facilities over 100,000 square feet.
- RCx Low-Cost Tuning (LCT) - targeting customers with facilities less than 100,000 square feet utilizing a DDC based EMS with trending capability with the opportunity for system tuning measures that cost less than $2,500 to implement.
Eversource will be conducting this RFP on behalf of the Program Administrators through an ARIBA e-sourcing platform. If you would like to participate, please email ee_ev_adr_procurement@eversource.com to be sent an invitation.
RFP issued to Vendors:
Friday, April 11, 2025
Deadline to Ask Questions via ARIBA:
Friday, April 18, 2025
Final Proposal Submission:
Friday, May 9, 2025
Please note that all questions relating to this RFP must be submitted through the ARIBA Sourcing tool using the Messages function to ensure accurate information is provided to all project team members and suppliers, as well as to ensure process consistency. Eversource will ONLY provide information related to this RFP via the Message function. No other communication vehicles will be allowed.
The Companies have filed the final versions of the 2025-2027 C&LM Plan, the 2025 Program Savings Document, the Budget Optimization Plan, and the Filing Cover Letter with DEEP.
Customer Success Stories
Other Resources
Special Resources
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Income-Eligible
If you meet income requirements, you may qualify for a no-cost in-home energy assessment and additional incentives for qualifying energy-saving services, including 100% off the cost of insulation.
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Educators
Our educational resources help teach students about the environmental and economic benefits of becoming energy-efficient.
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Local Government
We help you identify energy efficiency energy strategies for your community, town, or city, and connect you with funding that makes upgrades more affordable.
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Small Business Energy Advantage
Get a no-cost, no-obligation energy assessment of your small business and then manage the installation of the energy-saving improvements.
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Community Partners
The Community Partnership Initiative leverages local knowledge and relationships to raise awareness and participation in our energy efficiency solutions.
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Rate Board
Learn about the official Connecticut Supplier Rate Board and the different types of Electricity Suppliers available.