15 Best Solar Companies in St. Charles, IL (2024 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in St. Charles based on:

  • Customer review scores
  • Service area for St. Charles, IL
  • Company policies and services offered
  • Accreditations and certifications

Average St. Charles homeowner saves $1,255/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated February 01, 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.

Best Solar Companies in St. Charles

Getting the best solar panel installation company for your roof is an important decision, but it's one that can reap a lot of rewards in St. Charles. Because solar panels generate their own electrical power, they can greatly lower your electricity bill each month, if not completely eliminate it. In fact, you could look forward to about $15,000 of savings over 20 years.


The cost of installing solar panels can change significantly based on your home’s configuration and your household energy needs.Interested in seeing how much you would pay to install solar panels on your roof? Click "get quote" below to get a free, no-obligation quote from a highly rated St. Charles solar installer.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Solar Financing

Blue Raven Solar

★★★★★
4.5

  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

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 Rankings for Solar Companies in St. Charles

Best Local Installer
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EcoWatch Rating

3.0/5

SunPower by Sun N Us

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Residential Panels
  • Service icon Consultation

Website: https://www.sunpowerbysunnus.com/
Address: 1400 E Touhy Ave Unit 255, Des Plaines, IL 60018
Phone: 8337866878
Outstanding Local Installer
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EcoWatch Rating

3.0/5

YellowLite

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Residential Panels

Website: https://yellowlitechicago.business.site/
Address: 9981 W 190th Pl Unit K-1, Mokena, IL 60448
Phone: 8004908726
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Service Solar Solutions

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Skilled Repairs
  • Service icon Off-Grid Solar Systems
  • Service icon Residential Panels
  • Service icon Maintenance
  • Service icon Commercial Panels
  • Service icon Consultation

Website: http://www.solar-napervilleil.com/
Address: 1001 E Chicago Ave, Naperville, IL 60540
Phone: 6304267224
Outstanding Local Installer
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EcoWatch Rating

4.2/5

Headline Solar

  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Battery Storage
  • Service icon Residential Panels

Website: https://www.headlinesolar.com/
Address: 2000 Center Dr Ste C411, Hoffman Estates, IL 60192
Phone: 8334435463
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Reficiency Solar

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Commercial Panels
  • Service icon Solar Panel Upgrades
  • Service icon Residential Panels
  • Service icon Battery Storage
  • Service icon Skilled Repairs
  • Service icon Consultation
  • Service icon EV Charger

Website: https://reficiency.com/
Address: 4513 Lincoln Ave # 110, Lisle, IL 60532
Phone: 6307800951
Outstanding Local Installer
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EcoWatch Rating

4.7/5

Phoenix Exteriors Roofing & Solar

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Consultation
  • Service icon Commercial Panels
  • Service icon Skilled Repairs
  • Service icon Full-Service
  • Service icon Residential Panels

Website: https://phoenixexteriors.com/free-roof-quote/
Address: 1066 National Pkwy, Schaumburg, IL 60173
Phone: 6303497758
Outstanding Local Installer
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EcoWatch Rating

4.7/5

Kapital Electric, Inc.

  • Pros icon Informative Resources
  • Pros icon Prompt Service Delivery
  • Pros icon Clear Pricing Policy
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Commercial Panels
  • Service icon Consultation
  • Service icon Solar Panel Upgrades
  • Service icon Permit Assistance
  • Service icon Tesla Powerwall
  • Service icon Battery Storage
  • Service icon Residential Panels
  • Service icon EV Charger

Website: https://www.kapitalelectric.com/
Address: 1270 Mark St, Bensenville, IL 60106
Phone: 6308332389
Outstanding Local Installer
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EcoWatch Rating

5.0/5

ilumen Solar

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Skilled Repairs
  • Service icon Maintenance
  • Service icon Solar Panel Upgrades
  • Service icon Commercial Panels
  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon Residential Panels

Website: https://www.ilumen-solar.com/
Address: 27948 N Kelsey Rd, Barrington, IL 60010
Phone: 8478523370
Outstanding Local Installer
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EcoWatch Rating

4.7/5

GRNE Solar

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon EV Charger
  • Service icon Off-Grid Solar Systems
  • Service icon Maintenance
  • Service icon Financing Assistance
  • Service icon Commercial Panels
  • Service icon Consultation
  • Service icon Full-Service
  • Service icon Battery Storage
  • Service icon Residential Panels

Website: https://www.grnesolar.com/
Address: 230 N Hicks Pl, Palatine, IL 60067
Phone: 3128593417
Outstanding Local Installer
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EcoWatch Rating

4.2/5

Rethink Electric

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Maintenance
  • Service icon Permit Assistance
  • Service icon Skilled Repairs
  • Service icon Commercial Panels
  • Service icon Solar Panel Upgrades
  • Service icon Full-Service
  • Service icon Financing Assistance
  • Service icon Residential Panels

Website: https://rethinkelectric.com/
Address: 850 N Central Ave, Wood Dale, IL 60191
Phone: 6307474587
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Safeguard Solar LLC

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Residential Panels
  • Service icon Cleaning
  • Service icon Commercial Panels
  • Service icon Consultation

Website: https://www.safeguardsolarllc.com/
Address: 2819 Village Green Dr, Aurora, IL 60504
Phone: 3312260866
Outstanding Local Installer
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EcoWatch Rating

5.0/5

JD Pro Electric Inc

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Residential Panels
  • Service icon EV Charger
  • Service icon Commercial Panels

Website: http://www.jdproelectric.com/
Address: 9230 Grand Ave, Franklin Park, IL 60131
Phone: 8479162052
Outstanding Local Installer
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EcoWatch Rating

3.0/5

TruHome Pros Solar

  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Full-Service
  • Service icon Commercial Panels
  • Service icon Residential Panels
  • Service icon Financing Assistance
  • Service icon Battery Storage

Website: https://www.truhome-pros.com/illinois/solar-panel-installation-schaumburg-il-save-40/
Address: 1701 Woodfield Rd # 950, Schaumburg, IL 60173
Phone: 8476653376
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Certasun

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Residential Panels
  • Service icon Consultation
  • Service icon Financing Assistance

Website: https://certasun.com/
Address: 1582 Barclay Blvd, Buffalo Grove, IL 60089
Phone: 3126380800
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Illinois Solar Express, LLC

  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Residential Panels

Website: https://illinoissolarexpress.com/
Address: 1 Mid America Plaza 3rd Floor, Oakbrook Terrace, IL 60181
Phone: 7738767676

Methodology: How We Ranked the Best Solar Companies in St. Charles

EcoWatch's solar experts analyzed each solar company in St. Charles based on criteria such as its reputation in the industry, customer reviews, services, warranty coverage and financing. Using this solar methodology, we used the data we collected to rate and rank each company and narrow down our picks for the best solar companies in St. Charles


Below are some the criteria we examined specifically for Illinois solar companies

  • Brand reputation and certifications (20%): We take each company's Better Business Bureau (BBB) score into consideration, as well as how long the installer has been in business (at least 5 years is required, 10 preferred) and what type of solar certifications it holds.
  • Customer reviews (20%): Trust is a top priority at EcoWatch, so we take customer experience under close consideration. We scour different review sites and customer testimonials when ranking our top solar companies, checking sites such as Trustpilot and Google Reviews. We also consider any potential complaints or lawsuits filed against these companies and award or remove points accordingly.
  • Warranty (20%): A company earns a perfect score in this category if it offers 25-year warranties that cover performance, product and workmanship. The industry standard that we measure companies against is 25-year product and performance warranties, along with a 10-year workmanship warranty. We also look closely into the track record of the post-installation support each company provides in terms of honoring its contracts
  • Solar services (10%): All of the companies we review install solar panels, but we award companies higher points if they offer additional services for customers, like battery installation, energy-efficiency audits, and EV chargers.
  • Pricing and financing (10%): It's hard to get exact quotes for solar projects, but we use marketplace research to determine how each company prices its equipment and installation services. Additionally, companies that offer more help for panel financing — like in-house loans, leases, or PPAs — score higher than those that don't.
  • Availability (10%): The bigger the service area, the higher the company will score.
  • Transparency and accessibility (5%): Solar installers that offer free consultations and easy contact methods score higher in this category.
  • Environmental, social and corporate governance factors (5%): A company earns a perfect score in this category if it offers public data disclosure, addresses end-of-life (EOL) products or processes, and demonstrates a commitment to uplifting the communities that it serves.

The Cost and Benefits of Solar in St. Charles

For many people considering switching to solar, the decision of which solar company to go with comes down to prices.The cost and possible savings vary depending on some important factors such as:

  • The model of solar panel system you can afford: This depends on your income and budget.
  • Energy consumption: Installing solar panels may be a high-cost investment for households that don’t use a lot of energy a month.
  • How much sunlight your roof gets: If your rooftop gets limited direct sunlight, your solar panels won’t be able to generate as much energy, which will give you lower savings on electric bills than a roof that gets a lot of sunlight.
  • Incentives: Tax-paying citizens who purchase and install a solar energy system this year can save 0 of their total solar spend by using the federal solar investment tax credit. You can also save about $15,000 on your utility bills over 20 years not including incentives.

Even though a solar panel system costs a sizable chunk of money upfront, it can save you a considerable amount over the lifespan of your panels. The question of how much, though, depends on several factors, such as the kind of solar panels you get and incentives.

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Solar Incentives in St. Charles

Adopting solar power has plenty of wonderful benefits. Not only can it help protect the environment, but you can also save a good amount of money on your installation with various government incentives.Everyone can take advantage of the federal Solar Investment Tax Credit (ITC), which will let you claim 0 of how much you paid for your solar installation when you file taxes, reducing the amount of taxes you owe that year. Plus, there may be some local incentives that stack with the ITC too. Take a look at our article on solar incentives to see what incentives you can benefit from.

Environmental Impact of Switching to Solar in St. Charles

One of the reasons so many homeowners are thinking of going solar is to help lower their environmental impact.But how much can using solar energy instead of traditional energy actually help the environment? If your home consumes a lot of energy, you can help the environment even more by switching to solar power.Although solar panel manufacturing emits carbon dioxide, the panels make up for it by significantly reducing the amount of CO2 you would have been responsible for if you still used traditional energy. In St. Charles, you can reduce your carbon footprint by 90 pounds a year with solar panels. The perks of solar power are plentiful — just like solar power is! That's why so many people have been happy with committing to solar.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Solar Financing

Blue Raven Solar

★★★★★
4.5

  • Industry-leading in-house financing
  • Competitive pricing
  • Excellent reputation
  • Doesn't offer solar batteries

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 St. Charles, IL Solar Company Rankings FAQs

What is the best solar panel installation company in St. Charles?

The top local solar company in St. Charles is SunPower by Sun N Us, with a rating of 3.00 stars.

Are solar panels really environmentally friendly?

Making solar panels requires chemicals and produces toxic waste that can be dangerous for the environment, which is the main drawback of solar panels.

Is it worth installing solar panels on my house?

Solar panels call for a significant upfront investment that costs over ten thousand dollars, but whether or not solar panels are worth it depends on a collection of factors like how much you pay for electricity and the amount of direct sunlight your roof gets.

How long do solar panels last?

On average, solar panels can last about 25 to 30 years. Some even last up to 50 years, but efficiency decreases by about 0.8% each year. You can choose to replace them sooner if you want to maintain a larger level of energy production.

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.