Solar Panel Cost Guide in Westport, CT (2025 Update)

  • Westport Solar Installation Cost: $11,749
  • 25-Year Savings: $21,396
  • Payback Period: 9.7 Years

See cost of a solar system near you:

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated January 24, 2025

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.

Average Cost of Solar Panels in Westport

Let’s have a look at the average cost of solar in Westport.

Currently, the national average cost of solar panels is $2.66 per watt. However, in Westport, the average cost of solar panels is 4 per watt.Using this figure, a typical 4.5-kW system would cost about $11,749 before the 0 federal solar tax credit is applied.

How much you pay can go above or below the average in Westport depending on several factors, such as the model of solar panels you choose and the solar company you hire.With average savings of about $26,000 on energy bills over 20 years, many homeowners in Westport find installing solar panels has a decent ROI.

You can click the button below to get connected with a vetted solar installer in Westport that can help you get a more accurate cost estimate for your home.

Solar savings over time in Westport

YearReturn on Investment
1 years$-9,905
3 years$-6,217
5 years$-2,529
7 years$1,159
9 years$4,847
11 years$8,535
13 years$12,223
15 years$15,911
17 years$19,599
19 years$23,287
21 years$26,975
23 years$30,663
25 years$34,351

Top Solar Installers in Westport

Many homeowners opt for a solar installation company since figuring out how to install solar panels yourself can be challenging. Also, companies with a good reputation that are more expensive upfront could actually save you money in the long run because of their warranties, repair services and expert design.

Working with a licensed solar company can make going solar easier. Here are our recommendations:

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Best Regional Coverage

Momentum Solar

★★★★★
4.5
  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

See all of the solar companies in Westport

Factors that Affect Solar Panel Costs in Westport

The cost of installing a solar system in Westport can vary by more than $10,000 from home to home. Your actual cost depends on several factors. The most significant one is the size of the system you need, and other factors include the equipment you choose, financing options and the solar company you choose.

Solar Equipment

System size, which is measured in kilowatts, is one of the largest factors that affects the overall cost of installing solar panels. That’s why it’s a priority to accurately gauge the size of the solar energy system needed for your home by figuring out your energy needs.The solar equipment you choose can bring your price up or down by thousands or even tens of thousands of dollars. If you choose the most efficient solar panel brands, you’ll end up paying more upfront than if you opted for the most affordable panels. On the other hand, more efficient panels could save you more in the long run on your power bills. Additionally, add-on products, like solar batteries, can bump up your total well above the Westport average.

Solar Financing Terms

Solar panels can save you money on utility bills over time, but they can also be a big investment. That’s why many Westport homeowners choose to finance their solar panel systems to make paying for solar more affordable.When trying to figure out your overall cost, you should also calculate the interest you’ll pay if you go with a solar loan. Also, paying more upfront can reduce the total interest paid over time.

Solar Panel Installation Company

The solar company you opt for to handle your switch to green energy can play a part in your total costs. There are about 3 solar panel companies operating throughout Westport, and each can charge varying amounts for labor and equipment.Larger national companies typically have lower costs, but some local companies keep up with them by offering sales and discounts. While the smaller companies might not have specific equipment options like Tesla Powerwall batteries or additional services like electric car charger installation, they might be cheaper overall.

Solar Panel Cost Data by System Size

System sizeCost per system wattSolar system cost25-Year savingsPayback period
6 kW$3.90$16,380$24,06210.1 years
8 kW$3.83$21,420$32,5029.9 years
10 kW$3.75$26,250$41,1539.7 years
12 kW$3.67$30,870$50,0149.5 years
14 kW$3.60$35,280$59,0849.3 years
16 kW$3.52$39,480$68,3659.2 years
18 kW$3.45$43,470$77,8559.0 years
20 kW$3.38$47,250$87,5568.8 years

How to Save on Solar Panels

Since the type of solar panels and the installer you choose significantly influences your costs and your system’s durability and efficiency, it’s important to pick the right ones for you. Here are some tips to keep in mind to help with your decision:

  • Contract: Review the contract terms closely to make sure you understand the total cost, project timeline incentives and warranties.
  • Reputation: Solar system installers that have great reviews from their customers and that have been operating for many years likely offer good-quality solar panel installation and expertise.
  • Installation Process: Get detailed information from your solar company about the installation process and what to expect, including when the site survey will be completed and how long it will take.
  • Solar Panel Brands: The brand of solar panel you want plays a role in which company you should choose, since different companies have different panels.
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Best Regional Coverage

Momentum Solar

★★★★★
4.5
  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch's Westport, CT Solar Cost FAQs

How much does it cost to install solar panels in Westport?

This is a hard question to answer exactly, because the cost depends on a few different factors. Generally speaking, it costs about $18,750 for a 5-kW system and $37,500 for a 10-kW system after the ITC is applied. It will be more expensive if you want extra solar equipment or more efficient panels, or if you have higher-than-average energy usage. On the flip side, you can spend less if you want a smaller solar panel system or less expensive solar panels.

Are solar panels free in Westport?

You can’t get solar panels for free in Westport. However, you may still be able to install them on a lower budget. You can lease solar panels for a low upfront cost or, if you’d rather own your solar panels, you can finance them with a solar loan.

Do solar panels increase your property value?

Solar panels can increase your home value considerably as long as you buy or finance your panels and don’t opt for a solar lease or power purchase agreement (PPA). According to research done by Zillow, the average home value increases by about 4.1% with a solar installation."

How many solar panels do I need to power my home?

To figure out how many solar panels you need, you should find out how much energy your home requires and how much sunlight your home gets. For a general estimate, however, since each panel can generally produce about 250 to 400 watt-hours per hour, the average household will need 20 to 35 panels.

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.

Company 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.