8 Best Solar Companies in Monmouth, IL (2024 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 8 in Monmouth based on:

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

Average Monmouth homeowner saves $998/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated April 21, 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 Monmouth

When looking for the best solar companies in Monmouth, sorting through all the options can be daunting, but it can pay off since switching to solar energy can offer so many good benefits. After 20 years of offsetting your energy costs with solar panels, you can save about $12,000 on your electricity bills.


There are plenty of installers to choose from, but in this article, we’ll help you pin down your options by recommending some of the best solar companies in Monmouth.If you’d like to get free, no-obligation quotes from the top Monmouth solar companies, you can click the button below to learn more.

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

Best Social Impact

Palmetto Solar

★★★★★
4.0
  • Expansive service area
  • Makes charitable contributions
  • Certified B Corp
  • No leases or PPAs
  • Quality of installation may vary by location

EcoWatch Rankings for Solar Companies in Monmouth

Best Local Installer
ecowatch badge icon

EcoWatch Rating

4.7/5

Sunrun Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon Skilled Repairs
  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Grid-Tied Solar System
  • Service icon Permit Assistance
  • Service icon Cleaning and Maintenance

Website: https://www.sunrun.com/
Address: 688 High Point Ln, East Peoria, IL 61611
Phone: 8333245886
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Sun Collectors

  • 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 Grid-Tied Solar System
  • Service icon Cleaning and Maintenance
  • Service icon Consultation
  • Service icon System Decommissioning
  • Service icon Panel Installation

Website: https://suncollectors.solar/
Address: 4507 N Sterling Ave #400, Peoria, IL 61615
Phone: 3093003875
Outstanding Local Installer
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EcoWatch Rating

5.0/5

SOLAR PANTHER

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

Services Offered

  • Service icon Grid-Tied Solar System
  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon Panel Installation
  • Service icon Permit Assistance
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Skilled Repairs

Website: https://www.thesolarpanther.com/
Address: 4703 North Ellen Court, Peoria Heights, IL 61616
Phone: 3098866830
Outstanding Local Installer
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EcoWatch Rating

4.8/5

ROUTE 66 SOLAR

  • 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 Grid-Tied Solar System
  • Service icon Financing Assistance
  • Service icon Panel Installation
  • Service icon System Decommissioning

Website: https://route66solar.com/
Address: 2619 W Heading Ave Suite 314, West Peoria, IL 61604
Phone: 3093367394
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Quad City 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 Panel Installation
  • Service icon System Decommissioning
  • Service icon Cleaning and Maintenance
  • Service icon Battery Storage

Website: https://quadcitysolar.com/
Address: 311 W 3rd St, Davenport, IA 52801
Phone: 5636502627
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Solar Grids Quad Cities

  • 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 Permit Assistance
  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance

Website: http://solargridsquadcities.com/
Address: 3023 Avenue of the Cities, Moline, IL 61265
Phone: 5633620910
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Iowa 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 Battery Storage
  • Service icon Cleaning and Maintenance
  • Service icon Panel Installation
  • Service icon Skilled Repairs

Website: https://iowasolar.com/
Address: 3127 N Brady St #3, Davenport, IA 52803
Phone: 5637237405
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Century Electric & Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon Financing Assistance

Website: http://www.centuryelectricqc.com/
Address: 1018 E Iowa St, Eldridge, IA 52748
Phone: 5632855611

Methodology: How We Ranked the Best Solar Companies in Monmouth

EcoWatch's solar experts analyzed each solar company in Monmouth 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 Monmouth


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 Monmouth

When choosing a solar company, most homeowners or business owners care about the costs the most.There are several factors you should consider when trying to determine how much it will cost and how much you can save, including:

  • Choice of solar panels: The kind of solar panels you want will affect your total cost. High-efficiency monocrystalline panels are more expensive upfront but can also save you more money over the lifetime of your system. If you don’t need to maximize efficiency, you can go with a higher number of more affordable panels.
  • The amount of sunlight your home gets: Due to Monmouth’s high amount of average daily sunlight, you should be able to save a decent amount on your electricity bills.
  • Incentives: Along with the federal Solar Investment Tax Credit (ITC), which gives you a tax credit currently worth 0 of your overall installation cost, your state or local government may offer additional tax exemptions, credits or rebates that can help you save even more. Not including incentives, you can save an average of $12,000 over the first 20 years with your solar panels, too.
  • How much energy costs for you: The typical household in Monmouth spends around $850 a year on electricity alone, so you could be looking at that much in savings.

Though a solar panel system costs a sizable chunk of money upfront, it can save you a considerable amount in the long term. The question of how much, though, depends on several factors, like the size of your solar panel system and incentives.

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Solar Incentives in Monmouth

Although a solar power system is typically a large investment, it can save you a lot of money over time due to reduced power bills and government incentives.Regardless of what state you live in, you can take advantage of the federal Solar Investment Tax Credit (ITC), which will allow you to claim 0 of how much you paid for your solar installation on your tax return, reducing the amount of taxes you owe that year. Additionally, there may be some local incentives that stack with the ITC too. Our article on solar incentives has more detailed information on the incentives you can take advantage of in Monmouth.

Environmental Impact of Switching to Solar in Monmouth

Swapping traditional energy for solar is a compelling way to do your part for a cleaner and more sustainable future.A question many homeowners might be wondering about is how much can they really help protect the environment by switching to solar power anyway? In a city like Monmouth where energy use is rather high, installing solar panels is a good plan for households who care about the planet.In fact, if you install solar panels, you could be looking at reducing your carbon dioxide emissions by about 100 pounds each year. The good things about solar power are plentiful — just like solar power is! That's why so many homeowners have been happy with committing to solar.

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

Best Social Impact

Palmetto Solar

★★★★★
4.0
  • Expansive service area
  • Makes charitable contributions
  • Certified B Corp
  • No leases or PPAs
  • Quality of installation may vary by location

EcoWatch's Monmouth, IL Solar Company Rankings FAQs

What is the top solar installation company in Monmouth?

In Monmouth, Sunrun Solar is the best local solar company. Our team of experts rates it 4.70 stars, so it's a solid choice if you're looking to add solar panels to your home.

Are solar panels really environmentally friendly?

Solar panels can be bad for the environment when manufacturers use toxic chemicals in the manufacturing process. Chemicals can make solar panels difficult to recycle safely once they’ve reached the end of their lifespan. Solar panel manufacturing uses a lot of energy as well. The energy payback period is about 1 to 4 years.

How long does it take to see a return on your investment after installing solar panels?

The average payback period for solar panel installation is about 21.1 years, but the exact period varies depending on the cost of electricity where you are, incentives and net metering programs.

How often do solar panels have to be replaced?

On average, the lifespan of solar panels is about 25 to 30 years. Some even last up to 50 years, but efficiency goes down 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.