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

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

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 Watertown 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 Watertown?

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/


The phrase "solar incentives" generally refers to financial incentives put in place by solar companies and the government to encourage increased use of renewable energy by making the installation and use of solar panels more affordable. You might be eligible for several kinds of incentives, including cash back, discounts or credit towards your monthly utility bill, depending on your situation. Certain incentives come from your specific utility company, county or municipality, some from the state of Connecticut and others from the federal government. Some broad categories of solar incentives include:

  • Net Metering: Don't forget to talk to your Watertown utility company about signing a net metering contract. This will allow you to get a credit towards your monthly utility bill for the value of excess energy generated by your solar panels. You may receive either a dollar-for-dollar credit or a percentage of the value.
  • Rebates: Solar companies may help you claim a rebate, or partial refund after purchase, for your solar panels. Counties or states will also offer limited-time rebates at various times. Any rebates you receive will usually come off the total price before any tax credits are calculated.
  • Tax Credits: Tax credits are dollar-for-dollar reductions (not deductions) in how much income tax you owe the government.
  • Tax Exemptions: These may come in the form of property tax exemptions, which can let you ignore the value added by your solar panels when paying property tax on your home. You may also qualify for an exemption on sales tax at the time of purchase.
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Federal Solar Incentives

Federal incentives are the type of incentives that you are most likely to have heard of. One of the incentives many people are likely familiar with is the Federal Solar Investment Tax Credit (ITC). The ITC is a tax credit for a predetermined percentage of your solar system's cost.

The ITC applies towards solar systems installed after January 1, 2006, and lets you deduct from your taxes a percentage of the total cost of solar panels, labor, accessories and equipment. This credit can apply towards a solar panel system installed on a primary or secondary residence that you own in the United States. Originally, you could claim 30% of the total cost, although certain projects may qualify for only 26%, depending on the details. There is no maximum claim amount.

Talking to your local Watertown solar panel installation expert is the best way to learn more about how the ITC could apply to your situation.

The Inflation Reduction Act, passed in August 2022, added more provisions to the ITC (as well as retitling it the Clean Energy Credit). For solar systems installed between January 1, 2022, and December 31, 2032, homeowners may be eligible for a credit for 30% of the total cost. This percentage will decrease annually after 2032 until the Clean Energy Credit expires in 2035. The program expansion also makes it easier to get credit for energy storage systems, starting in 2023.

More information about the new Inflation Reduction Act can be found here. Your local Watertown solar panel installation expert is the best person to answer your questions about the new Clean Energy Credit and how it applies to you.

State & Local Solar Incentives

Rebates, tax credits and more can be claimed at multiple levels. In addition to federal solar incentives, there are often state and local ones, too. These incentives might be handled by your county or municipality, or by the Connecticut government. Certain incentives are available for a limited time, while others are ongoing.

Next Steps for Installing Solar in Watertown

The variety of available solar incentives has enormously increased the use of solar power nationwide over the past 15 years. You can get solar incentives from your local utility company, the federal government or the Connecticut government. Speak with your local solar panel installation company today to find out more information and to save as much money as possible on solar panels for your Watertown home.

EcoWatch's Watertown, CT Solar Incentives FAQs

What are the best solar panel installation companies near me?

To find the best solar panel installer in your area, check out our guide to Watertown's top solar panel companies.

When does the federal solar tax credit end?

The Clean Energy Credit (formerly called the federal solar tax credit, or the ITC), is slated to end on January 1, 2035. Currently set at 30%, the credit will drop to 26% in 2033 and to 22% in 2034.

I want to change out my appliances for ones that are more energy-efficient. Are there any incentives I can claim?

With the passage of the new Inflation Reduction Act, there are a number of new financial incentives to encourage you to 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?

Yes, you can employ multiple types of renewable energy to power your home, such as a combination of solar and wind power. You can also use both renewable energy sources and a backup source of non-renewable energy. Make sure that you discuss the details of your plan with your local Watertown solar panel installer, to get an understanding of what will be needed and what incentives you will or won't 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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