Connecticut solar panels: The complete guide in 2026
Data updated Jan 23, 2026
Interested in going solar? You'll need to install a 11.17 kW solar panel system to cover the average electric bill in Connecticut, which will cost you about $30,937.
Cost for an average system in Connecticut
| Cash price | $30,937 |
| 25-year savings | Payback period | Electricity offset |
|---|---|---|
| $93,730 | 9 Years | 93% |
Some states, towns, and utility companies offer incentives that can help lower the cost of solar.
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Going solar in Connecticut
Connecticut is better known for its historic homes and white sandy beaches than for its ample sunshine. But with affordable state financing options and some of the highest electricity rates, it's still a great place to install solar panels.
In fact, as long as you have the right roof, solar makes sense for most Connecticut homeowners.
Here's what you need to know about going solar in the Constitution State.
Cost
How much do solar panels cost in Connecticut?
Solar panels will save you a lot of money over time, but the upfront costs aren't cheap. The average Connecticut homeowner needs a 11.17 kW solar panel system to cover their electricity needs, which comes out to $30,937 before incentives. Prices range from $26,296 to $35,578, but Connecticut also has some great local incentives.
While this may sound high, it will pay off in Connecticut. That's why over 26,000 Connecticut homeowners have used EnergySage to receive and compare quotes for solar installations. You can expect to earn back your initial solar investment through electricity savings in about 8.93 years, while most systems last at least 25 years. You'll often see this number referenced as your solar payback period.
There are a few ways to finance your solar panel system so you don't have to provide all that money upfront.
Cash purchase: You'll own the system and pay for it up front. This provides the best long-term savings.
Solar lease or power purchase agreement (PPA): A third-party company owns your system and either leases you the solar panels (solar lease) or allows you to purchase the electricity they generate (PPA). These typically deliver immediate savings and can make a lot of sense if you’re looking to keep your capital flexible. Just make sure to choose an offering with low annual escalators to ensure it will continue to provide long-term savings.
Solar loan: This allows you to retain ownership of your system while owing little to no money upfront. Solar loans aren't all created equal. If you have access to subsidized clean energy loans through local incentive programs, that's usually your best bet. A home equity loan or a personal loan are often your next best options—private solar loans typically come with higher interest rates or upfront fees.
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Incentives
What are the best solar rebates and incentives in Connecticut?
Incentives help bring solar's price tag down considerably in Connecticut. Here are the major ones to know about:
| Incentive | Average savings in Connecticut | Description |
|---|---|---|
Smart-E Loans | Varies depending on how you finance your system | Connecticut Green Bank provides long-term, low-interest financing for home energy upgrades, including solar panels |
Connecticut solar sales tax exemption | 6.35% of your system costs | You don't need to pay any sales tax on new solar panel systems in Connecticut, saving at least 6.35% of your system costs |
Connecticut solar property tax exemption | 1.63% of your system's value annually on average | If you use solar energy as a source of power, you won't need to pay a tax on the value your solar panels add to your property |
Is net metering available in Connecticut?
If you live in a state with a net metering program, you can earn credits for the excess generation your solar panel system produces and delivers back to the grid. It’s essentially a solar buyback program that makes it so you owe little to nothing on your electric bills.
Connecticut no longer offers net metering, but if your solar panel system is less than or equal to 25 kW and connected to the grid, you can benefit from its Residential Renewable Energy Solutions (RRES) program. You can sign up for two different tariffs in the RRES program: the Netting Tariff and the Buy-All Tariff.
We get into all the details about the different tariffs here, but the biggest thing to know is that the Netting Tariff is actually better than Connecticut's former net metering program.
Equipment
Equipment quality
The more efficient a solar panel is, the more power per square foot. As of 2025, the most popular solar panels have a rated output of 450 watts. To get the most out of your solar energy system, choose panels with at least that much power output.
Your solar inverter setup is also important consideration—make sure it suits your roof’s layout.
And if you’re interested in a solar battery, it’s best to choose one that integrates with that inverter.
The best equipment tends to be more expensive, but it will often save you more money in the end. Premium equipment often has the best warranty terms, guaranteeing 25-40 years of coverage for repairs, replacements, and the lowest degradation rates (meaning they’ll maintain more of their power output for longer).
Companies
Who are the best solar installers in Connecticut?
We pre-screen all of the solar companies on EnergySage to ensure they'll provide you with a high-quality installation. We then rate them based on their results, reputation, and responsiveness. Here are the highest-rated EnergySage installers in Connecticut:
Ready to start looking for a solar installer?
Here are some of the most popular ones near you:
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resources
Top solar resources for Connecticut
- Connecticut Solar Loan Providers
Search through our list of top loan providers to finance your solar panel system.
- Connecticut Green Bank
Find a solar loan provider that offers low-interest financing.
- Connecticut Energy and Technology Committee
Learn about CT clean energy policies from the state government.
- Public Utilities Regulatory Authority (PURA)
Read more about how utility companies work in CT.
- Connecticut Electricity Profile (EIA)
Learn about CT energy production and prices.
- CT State Solar Factsheet (SEIA)
See quick stats about how much solar energy has grown in CT.
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