Connecticut Solar Incentives

Connecticut Solar Incentives, Tax Credits, and Rebates

There are several incentives in Connecticut that make investing in solar and renewable energy cost-effective.

Connecticut is a solar-friendly state, offering tax credits and grants to offset the costs of switching to solar power and increase homeowners' return on investment. On average, solar panel installation in Connecticut costs $2.80 per watt, which is higher than the national average. To help homeowners save money and maximize their return on investment, the state offers several incentive programs, including sales and property tax exemptions, and low-interest loan programs.

The Sales and Use Tax Exemption for Solar and Geothermal Systems exempts homeowners from paying sales tax on renewable energy equipment, saving an average of $1,334 in up-front costs. The property tax exemption prevents solar panel installation from raising property taxes, protecting homeowners from increased taxes in the long term.

Connecticut also offers state-funded loan programs, such as Smart-E Loans, the Home Energy Solutions Loan Program, and the Energy Conservation Loan, to help residents finance solar energy systems.

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Connecticut Incentive Database

Name State Category Type
Alternative Fueled Vehicle Charging Station Credit CT Financial Incentive Corporate Tax Credit
Connecticut Clean Energy Fund CT Regulatory Policy Public Benefits Fund
Renewables Portfolio Standard CT Regulatory Policy Renewables Portfolio Standard
Energy Conservation Loan CT Financial Incentive Loan Program
Alternative Fuel Vehicles and Associated Equipment CT Financial Incentive Sales Tax Incentive
Fuel Mix and Emissions Disclosure CT Regulatory Policy Generation Disclosure
Residential Renewable Energy Solutions CT Regulatory Policy Net Metering
CCEF - Commercial, Industrial, Institutional PV Grant Program CT Financial Incentive Grant Program
Solar and Wind Contractor Licensing CT Regulatory Policy Solar/Wind Contractor Licensing
CCEF - Renewable Energy Projects in Pre-Development Program CT Financial Incentive Loan Program
CCEF - Project 150 Initiative CT Financial Incentive Grant Program
New Energy Technology Program CT Financial Incentive Industry Recruitment/Support
Interconnection Standards CT Regulatory Policy Interconnection
Connecticut Green Power Purchase Plan CT Regulatory Policy Green Power Purchasing
CEFIA - Residential Solar PV Rebate Program CT Financial Incentive Rebate Program
Operational Demonstration Program CT Financial Incentive Industry Recruitment/Support
Sales and Use Tax Exemption for Energy-Efficient Products CT Financial Incentive Sales Tax Incentive
On-Site Renewable DG Program CT Financial Incentive Grant Program
The United Illuminating Company - Small Business Energy Advantage Program CT Financial Incentive Rebate Program
The United Illuminating Company - Energy Star Incentives Program CT Financial Incentive Rebate Program
The United Illuminating Company - Energy Conscious Blueprint Grant Program CT Financial Incentive Grant Program
The United Illuminating Company - Energy Conscious Blueprint Rebate Program CT Financial Incentive Rebate Program
The United Illuminating Company - Cool Choice Commercial Energy Efficiency Rebate Program CT Financial Incentive Rebate Program
The United Illuminating Company - Energy Opportunities Program CT Financial Incentive Rebate Program
Connecticut Light & Power - Energy Opportunities Efficiency Program CT Financial Incentive Rebate Program
Connecticut Light & Power - Commercial Energy Efficiency Rebates CT Financial Incentive Rebate Program
Connecticut Light & Power - Small Business Energy Advantage Program CT Financial Incentive Rebate Program
Connecticut Light & Power - Express Rebate Programs CT Financial Incentive Rebate Program
Connecticut Light & Power - Small Industrial and Commercial Energy Efficiency Loan Program CT Financial Incentive Loan Program
Connecticut Light & Power - Operation and Maintenance Program CT Financial Incentive Rebate Program
Smart-E loans CT Financial Incentive Loan Program
Connecticut Appliance and Equipment Energy Efficiency Standards CT Regulatory Policy Appliance/Equipment Efficiency Standards
Connecticut Clean Energy Communities CT Regulatory Policy Green Power Purchasing
DPUC - Capital Grants for Customer-Side Distributed Resources CT Financial Incentive Grant Program
Low-Interest Loans for Customer-Side Distributed Resources CT Financial Incentive Loan Program
Groton Utilities - Residential Energy Efficiency Rebate Program CT Financial Incentive Rebate Program
Groton Utilities - Commercial & Industrial Energy Efficiency Rebate Programs CT Financial Incentive Rebate Program
Energy Efficiency Fund CT Regulatory Policy Public Benefits Fund
Energy Efficiency Requirements for State Government CT Regulatory Policy Energy Standards for Public Buildings
Building Energy Code CT Regulatory Policy Building Energy Code
Sales and Use Tax Exemption for Solar and Geothermal Systems CT Financial Incentive Sales Tax Incentive
Connecticut Light & Power - Summer Saver Rewards CT Financial Incentive Rebate Program
Mass Energy - Renewable Energy Certificate Incentive CT Financial Incentive Performance-Based Incentive
CCEF - Affordable Housing Initiative Solar PV Rebate Program CT Financial Incentive Rebate Program
CT Solar Lease CT Financial Incentive Leasing Program
Norwich Public Utilities - Commercial Energy Efficiency Rebate Program CT Financial Incentive Rebate Program
Norwich Public Utilities - Zero Percent Financing Program CT Financial Incentive Loan Program
Furnace and Boiler Replacement Rebate Program CT Financial Incentive Rebate Program
Commercial and Industrial Rebate Program CT Financial Incentive Rebate Program
CL&P - Residential Heating and Cooling Rebates CT Financial Incentive Rebate Program
Energy Efficiency Fund (Electric) - Residential Heating and Cooling Rebates CT Financial Incentive Rebate Program
New Generation Energy - Community Solar Lending Program CT Financial Incentive Loan Program
Solar Thermal Incentive Program CT Financial Incentive Rebate Program
Geothermal Rebate Program CT Financial Incentive Rebate Program
Connecticut - Residential Energy-Efficient Appliance Rebates CT Financial Incentive Rebate Program
Connecticut Light & Power - Residential New Construction Program CT Financial Incentive Rebate Program
The United Illuminating Company - Residential New Construction Program CT Financial Incentive Rebate Program
Southern Connecticut Gas - Custom Commercial Energy Efficiency Program CT Financial Incentive Rebate Program
Connecticut Natural Gas - Cooking and Water Heating Rebate Program CT Financial Incentive Rebate Program
(Gas) Commercial and Industrial Gas Rebate Program CT Financial Incentive Rebate Program
(Electric and Gas ) Home Energy Solutions Rebate Program CT Financial Incentive Rebate Program
Connecticut Light and Power (Electric) - Heating and Cooling Rebate Program CT Financial Incentive Rebate Program
(Electric and Gas) Residential New Construction Program CT Financial Incentive Rebate Program
(Electric) Commercial and Industrial Energy Efficiency Programs CT Financial Incentive Rebate Program
Energy Efficiency Fund (Electric) - Commercial New Construction Rebate Program CT Financial Incentive Rebate Program
Connecticut Light & Power - Small Business Energy Advantage Loan Program CT Financial Incentive Loan Program
Connecticut Light & Power - Energy Conscious Blueprint Grant Program CT Financial Incentive Grant Program
CCEF - ARRA Commercial Solar PV Program CT Financial Incentive Grant Program
Renewable Portfolio Standards - Energy Efficiency Component CT Regulatory Policy Energy Efficiency Resource Standard
Energy Efficiency Fund (Electric and Gas) - Residential Energy Efficiency Financing CT Financial Incentive Loan Program
Sales and Use Taxes for Items Used in Renewable Energy Industries CT Financial Incentive Industry Recruitment/Support
Litchfield Hills Region - Business Energy Efficiency Program CT Financial Incentive Rebate Program
Norwich Public Utilities (Gas) - Residential Energy Efficiency Rebate Program CT Financial Incentive Rebate Program
Energy Efficiency Fund (Gas) - Home Energy Solutions and Performance Programs CT Financial Incentive Rebate Program
Small Business Energy Advantage Loan Program CT Financial Incentive Loan Program
CCEF - Alpha Program CT Financial Incentive Industry Recruitment/Support
Local Option - Building Permit Fee Waivers for Renewable Energy Projects CT Regulatory Policy Solar/Wind Permitting Standards
Residential Solar Investment Program CT Financial Incentive Rebate Program
Exemption from Electric Generation Tax CT Financial Incentive Sales Tax Incentive
The United Illuminating Company - ZREC and LREC Long Term Contracts CT Financial Incentive Performance-Based Incentive
Connecticut Light & Power - ZREC and LREC Long Term Contracts CT Financial Incentive Performance-Based Incentive
Combined Heat and Power Grant Program CT Financial Incentive Grant Program
Local Option - Commercial PACE Financing CT Financial Incentive PACE Financing
Connecticut Light & Power - Small ZREC Tariff CT Financial Incentive Performance-Based Incentive
The United Illuminating Company - Small ZREC Tariff CT Financial Incentive Performance-Based Incentive
CT Solar Loan CT Financial Incentive Loan Program
Local Option - Property Tax Exemption for Renewable Energy Systems CT Financial Incentive Property Tax Incentive
Clean Energy On-Bill Financing CT Financial Incentive Loan Program
Combined Heat and Power Loan Program CT Financial Incentive Loan Program
The United Illuminating Company - Small ZREC Tariff CT Financial Incentive Solar Renewable Energy Credit Program
Eversource - Small ZREC Tariff CT Financial Incentive Solar Renewable Energy Credit Program
Eversource - ZREC and LREC Long Term Contracts CT Financial Incentive Solar Renewable Energy Credit Program
The United Illuminating Company - ZREC and LREC Long Term Contracts CT Financial Incentive Solar Renewable Energy Credit Program
Multifamily Energy Conservation Loan Program CT Financial Incentive Loan Program
Small Business & Municipal Loan Program CT Financial Incentive Loan Program
Energize Connecticut Residential and Commercial Rebates CT Financial Incentive Rebate Program
(Electric and Gas) Residential Rebate Program CT Financial Incentive Rebate Program
Multifamily Sherpa Pre-Development Energy Loan Program CT Financial Incentive Loan Program
Low-Income Multifamily Energy Loan Program CT Financial Incentive Loan Program
Zero Interest Energy Efficiency Loan Program (Gas and Electric) CT Financial Incentive Loan Program
VW Settlement Electric Vehicle Supply Equipment Grants CT Financial Incentive Grant Program
Connecticut Hydrogen and Electric Automobile Purchase Rebate (CHEAPR) CT Financial Incentive Rebate Program
Connecticut Green Energy Building Solutions CT Financial Incentive Green Building Incentive
Groton Utilities - Electric Vehicle Rebate Program CT Financial Incentive Rebate Program
Diesel Emissions Mitigation Program CT Financial Incentive Grant Program
Energy Storage Target CT Regulatory Policy Energy Storage Target
Non-Residential Renewable Energy Solutions CT Regulatory Policy Net Metering
Shared Clean Energy Facility (SCEF) Program CT Regulatory Policy Community Solar Rules
Energy Storage Goal CT Regulatory Policy Energy Storage Target
Energy Storage Solutions Program CT Financial Incentive Rebate Program
Tax-Exempt Financing for Green Buildings, Renewable Energy & Brownfield Redevelopment US Financial Incentive Loan Program
Conservation Security Program (CSP) Production Incentive US Financial Incentive Performance-Based Incentive
Business Energy Investment Tax Credit (ITC) US Financial Incentive Corporate Tax Credit
Federal Excise Tax Exemption for Gasohol US Financial Incentive Corporate Tax Exemption
Modified Accelerated Cost-Recovery System (MACRS) US Financial Incentive Corporate Depreciation
Energy Star Financing and Mortgages US Financial Incentive Loan Program
USDA Rural Housing Service Loans US Financial Incentive Loan Program
Residential Energy Conservation Subsidy Exclusion (Corporate) US Financial Incentive Corporate Tax Exemption
Renewable Energy Production Incentive (REPI) US Financial Incentive Performance-Based Incentive
Renewable Electricity Production Tax Credit (PTC) US Financial Incentive Corporate Tax Credit
Small Business Administration Loan Programs US Financial Incentive Loan Program
Energy-Efficient Mortgages US Financial Incentive Loan Program
USDA - Rural Energy for America Program (REAP) Grants US Financial Incentive Grant Program
Office of Indian Energy Policy and Programs - Funding Opportunities US Financial Incentive Grant Program
Green Power Purchasing Goal for Federal Government US Regulatory Policy Green Power Purchasing
Energy-Efficient Commercial Buildings Tax Deduction US Financial Incentive Corporate Tax Deduction
Energy-Efficient New Homes Tax Credit for Home Builders US Financial Incentive Corporate Tax Credit
Energy-Efficient Appliance Manufacturing Tax Credit US Financial Incentive Industry Recruitment/Support
Residential Energy Efficiency Tax Credit US Financial Incentive Personal Tax Credit
Veterans Housing Guaranteed and Insured Loans US Financial Incentive Loan Program
Federal Appliance Standards US Regulatory Policy Appliance/Equipment Efficiency Standards
Energy Goals and Standards for Federal Agencies US Regulatory Policy Energy Standards for Public Buildings
Clean Renewable Energy Bonds (CREBs) US Financial Incentive Loan Program
Qualified Energy Conservation Bonds (QECBs) US Financial Incentive Loan Program
U.S. Department of Treasury - Renewable Energy Grants US Financial Incentive Grant Program
USDA - High Energy Cost Grant Program US Financial Incentive Grant Program
USDA - Biorefinery, Renewable Chemical, and Biobased Product Manufacturing Assistance Program US Financial Incentive Loan Program
USDA - Repowering Assistance Biorefinery Program US Financial Incentive Grant Program
Title I Property Improvement Loans US Financial Incentive Loan Program
USDA - Rural Energy for America Program (REAP) Energy Audit and Renewable Energy Development Assistance (EA/REDA) Program US Financial Incentive Grant Program
Low Income Home Energy Assistance Program (LIHEAP) US Financial Incentive Grant Program
Weatherization Assistance Program (WAP) US Financial Incentive Grant Program
Fannie Mae Green Financing – Loan Program US Financial Incentive Loan Program
Qualified Commercial Clean Vehicle Tax Credit US Financial Incentive Corporate Tax Credit
Alternative Fuel Vehicle Refueling Property Tax Credit (Corporate) US Financial Incentive Corporate Tax Credit
Alternative Fuel Vehicle Refueling Property Tax Credit (Personal) US Financial Incentive Personal Tax Credit
Previously-Owned Clean Vehicle Tax Credit US Financial Incentive Personal Tax Credit
Tax-Exempt Financing for Green Buildings, Renewable Energy & Brownfield Redevelopment US Financial Incentive Loan Program
Conservation Security Program (CSP) Production Incentive US Financial Incentive Performance-Based Incentive
Business Energy Investment Tax Credit (ITC) US Financial Incentive Corporate Tax Credit
Federal Excise Tax Exemption for Gasohol US Financial Incentive Corporate Tax Exemption
Modified Accelerated Cost-Recovery System (MACRS) US Financial Incentive Corporate Depreciation
Energy Star Financing and Mortgages US Financial Incentive Loan Program
USDA Rural Housing Service Loans US Financial Incentive Loan Program
Residential Energy Conservation Subsidy Exclusion (Corporate) US Financial Incentive Corporate Tax Exemption
Renewable Energy Production Incentive (REPI) US Financial Incentive Performance-Based Incentive
Renewable Electricity Production Tax Credit (PTC) US Financial Incentive Corporate Tax Credit
Small Business Administration Loan Programs US Financial Incentive Loan Program
Energy-Efficient Mortgages US Financial Incentive Loan Program
USDA - Rural Energy for America Program (REAP) Grants US Financial Incentive Grant Program
Office of Indian Energy Policy and Programs - Funding Opportunities US Financial Incentive Grant Program
Green Power Purchasing Goal for Federal Government US Regulatory Policy Green Power Purchasing
Energy-Efficient Commercial Buildings Tax Deduction US Financial Incentive Corporate Tax Deduction
Energy-Efficient New Homes Tax Credit for Home Builders US Financial Incentive Corporate Tax Credit
Energy-Efficient Appliance Manufacturing Tax Credit US Financial Incentive Industry Recruitment/Support
Residential Energy Efficiency Tax Credit US Financial Incentive Personal Tax Credit
Veterans Housing Guaranteed and Insured Loans US Financial Incentive Loan Program
Federal Appliance Standards US Regulatory Policy Appliance/Equipment Efficiency Standards
Energy Goals and Standards for Federal Agencies US Regulatory Policy Energy Standards for Public Buildings
Clean Renewable Energy Bonds (CREBs) US Financial Incentive Loan Program
Qualified Energy Conservation Bonds (QECBs) US Financial Incentive Loan Program
U.S. Department of Treasury - Renewable Energy Grants US Financial Incentive Grant Program
USDA - High Energy Cost Grant Program US Financial Incentive Grant Program
USDA - Biorefinery, Renewable Chemical, and Biobased Product Manufacturing Assistance Program US Financial Incentive Loan Program
USDA - Repowering Assistance Biorefinery Program US Financial Incentive Grant Program
Title I Property Improvement Loans US Financial Incentive Loan Program
USDA - Rural Energy for America Program (REAP) Energy Audit and Renewable Energy Development Assistance (EA/REDA) Program US Financial Incentive Grant Program
Low Income Home Energy Assistance Program (LIHEAP) US Financial Incentive Grant Program
Weatherization Assistance Program (WAP) US Financial Incentive Grant Program
Fannie Mae Green Financing – Loan Program US Financial Incentive Loan Program
Qualified Commercial Clean Vehicle Tax Credit US Financial Incentive Corporate Tax Credit
Alternative Fuel Vehicle Refueling Property Tax Credit (Corporate) US Financial Incentive Corporate Tax Credit
Alternative Fuel Vehicle Refueling Property Tax Credit (Personal) US Financial Incentive Personal Tax Credit
Previously-Owned Clean Vehicle Tax Credit US Financial Incentive Personal Tax Credit
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This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.

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