15 Best Solar Companies in Warren, IL (2023 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Warren based on:
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Customer review scores
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Service area for Warren, IL
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Company policies and services offered
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Accreditations and certifications
Please enter a valid 5-digit zip code!
Average Warren homeowner saves $1,144/year with solar panels
Updated September 15, 2023
Why you can trust EcoWatch
Best Solar Companies in Warren
Thinking of going solar but trying to figure out which solar panel installer would be best for your needs? Although it can be challenging to pick a solar company, the search will pay off because going solar has many good benefits. Since Warren is a city with great potential for solar power, it's no wonder you're looking into installing solar panels.
The cost of installing solar panels can vary considerably according to your home's configuration and your household energy usage. 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 top-rated Warren solar installer.
Best Solar Financing
Blue Raven Solar
- Industry-leading in-house financing
- Competitive pricing
- Excellent reputation
- Doesn't offer solar batteries
EcoWatch Rankings for Solar Companies in Warren

SunPower by Sun N Us
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Reliable Customer Support
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Informative Resources
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Clear Pricing Policy
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Free Quotes
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Limited information available on website
Services Offered
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Home installations
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Integrated roofing
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Tailored solutions
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Expert panel installation
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Energy storage solutions

YellowLite
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Free Quotes
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Reliable Customer Support
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Informative Resources
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Home installations
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Expert panel installation
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Integrated roofing
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Tailored solutions

Midwest Solutions Inc
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Informative Resources
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Clear Pricing Policy
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Reliable Customer Support
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Free Quotes
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Limited information available on website
Services Offered
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Energy storage solutions
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Expert panel installation
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Business installations
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Tailored solutions
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Home installations

E-GSI Energy Glazed Systems Inc.
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Clear Pricing Policy
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Reliable Customer Support
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Limited information available on website
Services Offered
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Home installations
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Integrated roofing
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Business installations
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Expert panel installation
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Tailored solutions
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Energy storage solutions

Smart Sky Solar
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Clear Pricing Policy
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Reliable Customer Support
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Informative Resources
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Free Quotes
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Limited information available on website
Services Offered
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Expert panel installation
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Home installations
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Tailored solutions
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Energy storage solutions
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Business installations

Certasun
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Informative Resources
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Reliable Customer Support
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Clear Pricing Policy
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Free Quotes
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Limited information available on website
Services Offered
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Tailored solutions
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Expert panel installation
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Energy storage solutions
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Home installations

Greentech Renewables North Chicago
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Informative Resources
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Reliable Customer Support
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Home installations
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Business installations
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Energy storage solutions
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Expert panel installation
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Tailored solutions

Solar Werks LLC - Solar Panel Installation
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Informative Resources
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Clear Pricing Policy
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Reliable Customer Support
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Free Quotes
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Limited information available on website
Services Offered
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Business installations
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Home installations
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Tailored solutions
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Integrated roofing
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Expert panel installation

ilumen Solar
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Informative Resources
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Reliable Customer Support
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Free Quotes
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Home installations
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Energy storage solutions
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Business installations
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Expert panel installation
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Skilled repairs
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Tailored solutions
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Integrated roofing

GRNE Solar
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Informative Resources
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Free Quotes
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Clear Pricing Policy
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Reliable Customer Support
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Limited information available on website
Services Offered
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Home installations
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Business installations
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Energy storage solutions
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Tailored solutions
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Professional reinstallation
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End-to-end services
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Integrated roofing
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Expert panel installation

GoSolar
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Reliable Customer Support
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Informative Resources
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Limited information available on website
Services Offered
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Home installations
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Tailored solutions
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Expert panel installation

Semper Solr
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Free Quotes
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Reliable Customer Support
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Clear Pricing Policy
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Informative Resources
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Limited information available on website
Services Offered
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Expert panel installation
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Home installations
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Tailored solutions

Phoenix Exteriors Roofing & Solar
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Free Quotes
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Reliable Customer Support
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Informative Resources
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Business installations
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Skilled repairs
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End-to-end services
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Integrated roofing
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Tailored solutions
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Energy storage solutions
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Home installations
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Expert panel installation

Solar Brite Ltd
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Free Quotes
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Expert panel installation
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Business installations
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Tailored solutions
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Home installations
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Skilled repairs
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Integrated roofing

Solar Spring & Wire Form Co
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Free Quotes
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Reliable Customer Support
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Informative Resources
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Clear Pricing Policy
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Prompt Service Delivery
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Limited information available on website
Services Offered
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Home installations
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Energy storage solutions
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Tailored solutions
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Expert panel installation
Methodology: How We Ranked the Best Solar Companies in Warren
EcoWatch's solar experts analyzed each solar company in Warren 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 Warren
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 Warren
Solar panels are powered by a free energy source — the sun — but before you can take advantage of this you will first need to pay to set up your panels. The installation cost is just one important factor you should keep in mind when looking into getting solar panels. How much it'll cost and how much you can save depend on things including:
- The make and model of solar panels you want: Some are more highly priced, so that will affect your budget for your solar project.
- Incentives: The federal solar investment tax credit, which everyone qualifies for, lets you deduct 30% of the cost of installing your solar panel system from your taxes. Additionally, not including incentives, you can save about $14,000 over 20 years on your energy bills.
- Your current electric bills: Solar panels can dramatically lower, or totally eradicate, your utility bills. In Warren, you can save an average of $75 a month.
- Your city: This influences how much sunlight your roof receives, which helps determine how many panels you need.
Although a solar panel system costs a good chunk of money upfront, it can save you a considerable amount in the long term. The question of how much, though, depends on a number of factors, such as the kind of solar panels you get and incentives.
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Solar Incentives in Warren
Because solar power is more sustainable than burning fossil fuels, there are a number of government incentives available to encourage its adoption. You can qualify for the federal solar investment tax credit (ITC) for the tax year you turn on your a solar system. You can also possibly pair the ITC with other state and city rebates and benefits. In our article on solar incentives, you can see the incentives you qualify for in Warren.
Environmental Impact of Switching to Solar in Warren
Installing solar panels can have a beneficial effect on the environment. Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Warren, though. If your home uses a lot of energy, you can help the environment even more by switching to solar power. In Warren, the average resident can lower their carbon footprint by 90 pounds a year after going solar. As you can see, trading traditional energy for solar has so many other rewards apart from saving money. One of the most important ones is that you can help save the Earth too.
Best Solar Financing
Blue Raven Solar
- Industry-leading in-house financing
- Competitive pricing
- Excellent reputation
- Doesn't offer solar batteries
EcoWatch's Warren, IL Solar Company Rankings FAQs
Which solar power company is the best in Warren?
In Warren, ilumen Solar is the top local solar company. Our team of experts rates it 4.01 stars, so it's a great choice if you're planning on installing solar panels on your home.
What are the pros and cons of solar power?
A few of the biggest pros are that it decreases your electricity bills, it's a sustainable source of energy, and it gives you a decent return on your investment (ROI). The most notable cons are that solar panels don't produce electricity at night, they cost a lot upfront and solar panels can look clunky on your roof.
Are solar panels worth it?
Solar panels can be a great investment for most homeowners, but frankly, they might not be worth it for everyone. If your home doesn't get a lot of direct sunlight or your power bills are already fairly low, solar panels might not be for you.
What are the different types of solar panels?
The different types of solar panels are monocrystalline, polycrystalline and thin-film. Monocrystalline panels are more efficient but also cost more. Polycrystalline panels are cheaper but also less efficient than monocrystalline. Thin-film solar panels are flexible, so they can be used where the other types can't, such as on curved surfaces or cars, but they are also less efficient. The best one for you depends on your budget, roof layout and how much efficiency you're looking 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.
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.