12 Best Solar Companies in Knoxville, IA (2024 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 12 in Knoxville based on:

  • Customer review scores
  • Service area for Knoxville, IA
  • Company policies and services offered
  • Accreditations and certifications

Average Knoxville homeowner saves $1,473/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated June 24, 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 Knoxville

Hoping to go solar but trying to figure out which solar panel installer would be the best one for your needs? Although it can be hard to settle on a solar company, the effort will pay off because going solar has many great benefits. One of the pros of living in Knoxville is you have access to plenty of the best solar panels and services in the nation.


The cost of installing solar panels can vary considerably according to your home’s framework and your overall energy usage.Keep reading to see our picks for the top solar companies in the city, or connect with a trusted solar company near you right away by clicking the button below.

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EcoWatch Rankings for Solar Companies in Knoxville

Best Local Installer
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EcoWatch Rating

5.0/5

Walter Roofing

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

Services Offered

  • Service icon Financing Assistance
  • Service icon Cleaning and Maintenance
  • Service icon Skilled Repairs
  • Service icon Panel Installation

Website: https://www.walterbuilds.com/
Address: 8450 Hickman Rd STE 27, Clive, IA 50325
Phone: 5153436955
Outstanding Local Installer
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EcoWatch Rating

4.5/5

Purelight Power

  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • 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 Consultation
  • Service icon Permit Assistance
  • Service icon Panel Installation

Website: https://purelightpower.com/ankeny-solar-installation/
Address: 4707 SE Rio Ct Suite 107, Ankeny, IA 50021
Phone: 5154616445
Outstanding Local Installer
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EcoWatch Rating

4.7/5

1 Source Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon Financing Assistance

Website: https://www.1sourcesolar.com/
Address: 3020 SW Oralabor Rd Ste 116, Ankeny, IA 50023
Phone: 5152891974
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Purelight Power of Des Moines

  • 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 Panel Installation
  • Service icon Consultation
  • Service icon Grid-Tied Solar System
  • Service icon Permit Assistance

Website: https://purelightpower.com/des-moines-solar-installation/
Address: 4673 121st St, Urbandale, IA 50323
Phone: 5154200035
Outstanding Local Installer
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EcoWatch Rating

3.0/5

CB Solar Inc.

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

Services Offered

  • Service icon Panel Installation
  • Service icon Financing Assistance

Website: http://www.cbsolarinc.com/
Address: 5425 Lower Beaver Rd, Des Moines, IA 50310
Phone: 5153314200
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Simplified Solar

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

Services Offered

  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Consultation

Website: https://simplifiedsolarinstall.com/
Address: 1400 Walnut St Suite 108, Des Moines, IA 50309
Phone: 5154617982
Outstanding Local Installer
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EcoWatch Rating

3.0/5

ECG Solar | Des Moines

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Panel Installation
  • Service icon System Decommissioning
  • Service icon Off-Grid Solar Systems
  • Service icon Financing Assistance
  • Service icon Cleaning and Maintenance
  • Service icon Consultation
  • Service icon Battery Storage

Website: https://ecgsolar.com/
Address: 699 Walnut St 4th Floor, Des Moines, IA 50309
Phone: 5156202819
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Lectrk Solar

  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Battery Storage

Website: https://www.lectrk.com/
Address: 6165 NW 86th St, Johnston, IA 50131
Phone: 5154937068
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Green Light Renewable Services LLC

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

Services Offered

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

Website: http://www.greenlightrenew.com/
Address: 2809 Kingman Blvd, Des Moines, IA 50311
Phone: 5152504268
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Eagle Point 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 Panel Installation
  • Service icon Financing Assistance
  • Service icon Permit Assistance

Website: https://eaglepointsolar.com/
Address: 1955 NE 58th Ave Suite 201, Des Moines, IA 50313
Phone: 5155058037
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Iowa Solar Pros

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

Services Offered

  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Battery Storage

Website: https://www.iowasolarpros.com/
Address: 5550 Wild Rose Ln, West Des Moines, IA 50266
Phone: 3199295109
Outstanding Local Installer
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EcoWatch Rating

3.0/5

MidIowa Power

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

Services Offered

  • Service icon Panel Installation

Website: http://midiowapower.com/
Address: 2800 SE Destination Dr, Grimes, IA 50111
Phone: 5152160182

Methodology: How We Ranked the Best Solar Companies in Knoxville

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


Below are some the criteria we examined specifically for Iowa 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 Knoxville

For many homeowners, whether or not to invest in a solar energy system boils down to the cost.There are several factors you should take into consideration when determining how much it will cost and how much you can save, such as:

  • Choice of solar panels: The kind of solar panels you get 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.
  • Incentives: Along with the federal Solar Investment Tax Credit (ITC), which gives you a tax credit currently worth 0 of your total installation cost, your state or local government may offer additional tax exemptions, credits or rebates that can help you save even more. Aside from incentives, you can save an average of $17,000 over the first 20 years with your solar system, too.
  • Typical energy usage: The more energy your household uses on average and the higher your current energy bills are, the more money you could save by switching to solar.
  • The amount of sunlight your house gets: Thanks to Knoxville’s high amount of average daily sunlight, you should be able to save a decent amount on your electric bills.

Solar is a profitable investment for most homeowners. You can produce your own energy instead of paying for it from a utility company and make use of solar tax credits and rebates, all while helping protect the Earth.

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Solar Incentives in Knoxville

Since solar power is a cleaner source of energy than fossil fuels, there are a number of government incentives available to encourage people to make the switch.In addition to the federal solar investment tax credit, there are also some local benefits, which in the majority of cases, can be claimed in addition to the federal incentive, so you get to save even more. In our article on solar incentives, you can find out about the incentives you qualify for in your area.

Environmental Impact of Switching to Solar in Knoxville

One reason so many homeowners are considering installing solar panels is to help bring down their environmental impact.Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Knoxville, though. In a place like Knoxville where commute times can be pretty long, using solar power can help offset some of your carbon dioxide emissions from driving a lot.After you go solar, your carbon emissions can be reduced by about 100 pounds each year. The advantages of solar power are plentiful — just like solar power is! That's why so many homeowners have been happy with committing to solar.

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EcoWatch's Knoxville, IA Solar Company Rankings FAQs

What is the top solar panel company in Knoxville?

The best local solar company in Knoxville is Walter Roofing, with a rating of 5.00 stars.

Are solar panels really good for the environment?

Solar panels can be detrimental for the environment when manufacturers use toxic chemicals in the construction. Chemicals can make solar panels difficult to dispose of safely once they’ve reached the end of their lifespan. Making solar panels needs a lot of energy as well. The energy payback period is about 1 to 4 years.

Is it worth installing solar panels on my home?

Solar panels can be a fruitful investment for a majority of homeowners, but truthfully, 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 is the efficiency of solar panels?

Solar panel efficiency is the amount of solar energy that is converted into electricity. Most panels today have an efficiency rating of about 15 to 25%. If your panels are more efficient, you'll need fewer of them to meet your home's energy needs.

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.