2024 Solar Incentives Guide for Stonington, CT - Tax Credits & Rebates

In this guide, we'll cover the latest solar incentives and rebates available in Stonington.

You'll learn about:

  • Local & State Solar Incentives
  • Federal Tax Credits (Updated for 2024 and beyond)
  • Ways to optimize your solar investment

Solar installers are experts in maximizing your solar tax credits and rebates.
Get a free quote from one of our trusted Stonington solar installers to see how much you can save.

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated June 24, 2024

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

What Solar Tax Credits, Incentives, and Rebates are Available in Stonington?

Local Option - Property Tax Exemption for Renewable Energy Systems

Incentive Type:
Property Tax Incentive
Varies (local option)

Property Tax Exemption for Renewable Energy Systems

Incentive Type:
Property Tax Incentive
100% of value added by renewable system

Sales and Use Tax Exemption for Solar and Geothermal Systems

Incentive Type:
Sales Tax Incentive
100% exemption

Residential Solar Investment Program

Incentive Type:
Rebate Program
Customer-owned (EPBB):
Up to 10 kW PTC: $0.358/W
10 to 20 kW PTC: $0.207/W
Incentive is reduced accordingly for Design Factors below 75%. Minimum design factor is 60%.

Third-Party-Owned (PBI):
Up to 20 kW PTC: $0.03/kWh for 6 years
Minimum Design Factor 60%

Connecticut Green Energy Building Solutions

Incentive Type:
Green Building Incentive

Smart-E loans

Incentive Type:
Loan Program

Sales and Use Tax Exemption for Energy-Efficient Products

Incentive Type:
Sales Tax Incentive
100% exemption

Energy Conservation Loan

Incentive Type:
Loan Program
Single family homes (1-4 family units): $25,000
Landlord Loan: $40,000

The United Illuminating Company - Small ZREC Tariff

Incentive Type:
Solar Renewable Energy Credit Program
$98.18 per ZREC (for Year 6 round of solicitation)

Eversource - Small ZREC Tariff

Incentive Type:
Solar Renewable Energy Credit Program
$100.74 per REC (for Year 7 round of solicitation)Tariff for Small ZREC determined through PURA

(Electric and Gas) Residential Rebate Program

Incentive Type:
Rebate Program
Ductless Heat Pump: $500
Refrigerators/Freezers, Room A/Cs, Dishwashers, Clothes Washers, Dehumidifiers: Incentive Included in Retail Price
Central A/C: $200
Air Source Heat Pumps: $500
Heat Pump Water Heater: $750
Lighting: Incentive Included in Retail Price
Geothermal Heat Pumps: $500-$1,500
High Efficiency Furnace, Natural Gas Boiler, and Boiler Circulator Pump: Instant Discounts of $25-$800

Local Option - Residential Sustainable Energy Program

Incentive Type:
PACE Financing
Locally determined

Federal Residential Renewable Energy Tax Credit

Incentive Type:
Personal Tax Credit
30% federal tax credit for systems placed in service after 12/31/2021 and before 01/01/2033. Good for: solar water heat, solar photovoltaics, biomass, geothermal heat pumps, wind (small), fuel cells using renewable fuels.

Source: https://www.dsireusa.org/


Solar incentives help mitigate the cost of installing a solar panel system on your home. Financial incentives like these are designed to encourage more Americans to convert their home partially or fully to renewable energy. These incentives can include upfront discounts, cash back or monthly credits towards your utility bill. Some incentives are provided by the federal government, some by the state of Connecticut and some by your utility company, county or municipality. You might qualify for any of the following types of solar incentives:

  • Tax Credits: Tax credits are dollar-for-dollar reductions in the amount of income tax that you owe the federal government. (This is different from a tax deduction.)
  • Net Metering: Make sure you talk to your Stonington utility company about signing a net metering contract. This allows you to get a credit towards your utility bill every month for the value of excess energy your solar panels generate. You may receive either a dollar-for-dollar credit or a percentage of the value.
  • Rebates: Your solar installer might help you claim a rebate, or partial refund after purchase, for your solar panels. States or counties will also offer limited-time rebates at various times. The value of a rebate will usually come off the total price before tax credits are calculated.
  • Tax Exemptions: These could come in the form of property tax exemptions, which let you ignore the value of your solar system when paying property tax on your house. You could also look for exemptions on sales tax at the time of purchase.
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Federal Solar Incentives

When thinking about solar incentives, federal incentives may be the first thing that comes to mind. The solar incentive that you may be most familiar with is the Federal Solar Investment Tax Credit (ITC), which provides a credit on your taxes equal to a certain percentage of the cost of your solar system.

The ITC originally covered 30% of the cost of solar system installation, and has fluctuated slightly over the last few years between 26-30%. The installation date of your solar system will determine what percentage you qualify for. The total cost of installation includes the panels themselves as well as the cost of labor, equipment and accessories. There is no maximum amount you can claim. The ITC can be applied to solar systems installed after January 1, 2006, on your primary or secondary residence. The residence must be in the United States and owned by you.

Your local Stonington solar panel installer can give you more information about the ITC and how it might apply to your situation.

In August 2022, the Inflation Reduction Act made revisions to the ITC, now referred to as the Clean Energy Credit. The new Clean Energy Credit now runs until 2035. You can now apply for a 30% credit for solar systems that began installation on or after January 1, 2022, and will be done by December 31, 2032. This new credit will then decrease annually until it expires. Starting in 2023, the program expansion will also make claiming credit for energy storage systems easier than ever before.

Click here to learn more about the new Inflation Reduction Act. The best way to fully understand how the new Clean Energy Credit might apply to you is to reach out to your local Stonington solar panel installation expert with your questions.

State & Local Solar Incentives

There are more than just federal solar incentives; tax credits, rebates and more may be offered at the local or state level. Incentives may be offered by your county or municipality, or by the state of Connecticut. Certain incentives may be available for only a limited time, while others are ongoing.

Next Steps for Installing Solar in Stonington

Solar energy use nationwide has gone up significantly in the past 15 years, in part due to the proliferation of solar incentives. You may get these incentives from the Connecticut government, the federal government or your local utility company. We recommend talking to your local Stonington solar installer to learn more about these incentives and to be sure that you're getting the most money possible for your solar system.

EcoWatch's Stonington, CT Solar Incentives FAQs

How can I learn if I qualify for solar incentives?

It's best to speak with your local Stonington solar installer for a better understanding of which incentives your project will qualify for. Usually, solar incentives apply to new solar panel systems installed on a property you own (in the U.S.) within a specified date range. Some incentives, such as those given by the state of Connecticut, might have other requirements.

My home already has solar panels installed. Does my system qualify for any incentives?

If your solar panels were installed after January 1, 2022, you may qualify for the recently increased 30% tax credit under the Inflation Reduction Act. If you installed your system between 2006 and 2021, you might qualify for a tax credit between 26% and 30%, depending on the year it was installed. Talking to the company that installed your solar system, or any local Stonington solar installer, can help you understand what incentives you qualify for.

What are some environmental benefits of installing solar panels on my home?

You can decrease your carbon footprint by 200 pounds of CO2 annually when you install solar panels. This adds up to around 4,000 pounds over 20 years. In addition, solar power is a renewable energy source, meaning that switching your home over lessens the drain on our planet's resources.

If I change out my appliances for ones that can utilize solar energy, are there incentives I can claim?

The new Inflation Reduction Act creates a number of new financial incentives that are available when you make eco-friendly improvements to your home. More details on these incentives, including information about incentives for purchasing new appliances, can be found here.

Can I use multiple types of renewable energy to power my home?

You can power your home with multiple types of renewable energy, or a combination of renewable and non-renewable energy. Make sure you discuss your plan with your local Stonington solar installation expert. They can help you with the plan for your project and give you an understanding of various incentives that you may or may not qualify for.

Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert's opinion on the top solar companies featured here, follow this link.

Solar incentive research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.

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