When it comes to going green, picking a solar firm is a big decision. You want to be sure that the firm you pick will give you excellent service and solar panels at reasonable prices.
There are a number of trustworthy and reliable solar businesses in Illinois, so here are our top five for you to consider.
5 Best Solar Companies in Illinois
1. Windfree Solar

What services does the company have to offer?
Windfree Solar specializes in solar solutions when it comes to residential, commercial, and public sectors.
Installation Process
They use NABCEP and ICC distributed generation certified installers on every project.
Coverage Area
As of now they only offer services in Idaho with their main office in Chicago.
Pricing and Financing
You may be able to save on installation costs by discussing with them their financing options. They have a comprehensive financing program for customers who may not be ready to pay upfront.
Professional Reputation
Windfree Wind and Solar Energy Company were founded early in 2009 by a team of creative energy visionaries and early adopters of sustainable technologies.
Technology Portfolio
Windfree Solar is committed to Evaluating and implementing the best available products, equipment, and services that put the power of renewable energy into the hands and savings of the consumer by supporting their clients after installation by monitoring, maintaining, and troubleshooting their system, or to simply answer any questions.
Rebates and Tax Credits
You may be eligible for federal tax credits and state solar power rebates which reduce the overall cost of your system
Warranty
Their equipment comes from tier-one manufacturers with full-performance warranties and product guarantees.
Pros and Cons
Their panels are certified by the highest levels of international certification so you know they meet or exceed industry standards and utilize live monitoring and data analysis to ensure your systems are running at peak performance.
2. GRNE Solar

What services does the company have to offer?
They offer a wide array of solar solutions for residential and commercial systems with operations and maintenance, battery backup, and EV charging.
Installation Process
All technicians are professionals with multiple years of experience. They are extremely efficient with installation & are meticulous when making sure your panels are clean and well-functioning.
Coverage Area
They cover the state of Idaho along with more installations in Indiana, Iowa, and Nebraska.
Pricing and Financing
You may be eligible for financing and get your entire system for $0 down and save up on your utility bill with a Power Purchase Agreement.
Professional Reputation
The company’s team has many years of experience and has completed many projects to date.
Technology Portfolio
They offer solutions for small, medium, and large commercial projects. They utilize the best inverters with the latest technology to ensure maximum energy production.
Rebates and Tax Credits
You may be eligible for federal tax credits and state solar power rebates, which can lower the overall cost of your system.
Warranty
You may be illegible for a 25-year panel warranty.
Pros and Cons
The website appears to be a bit scarce with information.
3. Continental Energy Solutions

What services does the company have to offer?
Continental offers an array of Solar services, from assessment and design to installation, maintenance, and repair along with utility-scale solar plus battery storage especially when it comes to commercial solar systems.
Installation Process
They have a team that is NABCEP certified and well-versed in the installation process, leaving you with a properly installed solar system.
Coverage Area
They operate in the state of Illinois only, with offices located in Chicago.
Pricing and Financing
You pay for your system upfront or opt for financing options.
Professional Reputation
The company has been in business for multiple years with a team of professionals handling solar installation needs.
Technology Portfolio
They use SolarWorld panels, which are known for high performance and efficiency.
Rebates and Tax Credits
You may be eligible for federal tax credits and state solar power rebates, which can lower the overall cost of your system.
Warranty
The panels may come included with a 25-year manufacturer warranty.
Pros and Cons
The company is well versed but sadly does not give preference to residential installations and the website has issues every now and then.
4. Ameresco

What services does the company have to offer?
Ameresco is a giant offering energy efficiency, renewable energy, and infrastructure solutions company that offers both commercial, industrial, and public sector solar systems.
Installation Process
Their professional solar consultants, project management team, and installers will walk you through the full solar installation process. The installation usually does not take longer than a day or two.
Coverage Area
They cover more than 35 states in the US and have even expanded to Canada and the United Kingdom with offices in Chicago, Oak Brook, and Springfield when it comes to Illinois.
Pricing and Financing
When it comes to financing options, they may include energy savings performance contracts (ESPCs), power purchase agreements (PPAs), and off-balance-sheet Energy as a Service (EaaS) contracts.
Professional Reputation
Ameresco has successfully completed energy-saving, environmentally responsible projects with Federal, state, and local governments, K-12 school districts, college campuses, healthcare institutions, airports, housing authorities, and commercial and industrial customers.
Technology Portfolio
The Company was founded in 2000 by George Sakellaris, a pioneer in the energy service business. To best serve its wide-ranging clientele, Ameresco has over 70 regional offices located throughout North America and the United Kingdom.
Rebates and Tax Credits
You may be eligible for federal tax credits and state solar power rebates, which can lower the overall cost of your system.
Warranty
The panels may come included with a 25-year manufacturer warranty.
Pros and Cons
They are experts in commercial and industrial solar installations but do not offer residential solutions.
5. Moxie Solar

What services does the company have to offer?
Moxie Solar offers solar installations and solutions for residential, commercial, and farm usage. Besides this, they also offer storage and EV charging solutions.
Installation Process
A team of NABCEP Certified Professionals & electrical engineers design your solar system for optimal performance that lasts.
Coverage Area
When it comes to coverage area, they operate not only in major cities of Illinois but also in Arizona, Colorado, Indiana, Iowa, Minnesota, Missouri, North Carolina, Ohio, South Carolina, Texas, Utah, Virginia, and Wisconsin.
Pricing and Financing
When it comes to financing, you may be eligible for a federal tax credit, Illinois net metering program, and other financing options.
Professional Reputation
Moxie Solar is one of the largest solar installation companies in the country.
Technology Portfolio
They use the highest quality solar panels and even offer Tier 1 panels that have been certified by BNEF.
Rebates and Tax Credits
In terms of rebates and tax credits, you can be eligible for energy efficiency rebates, renewable energy rebates, or residential solar rebates.
Warranty
You can expect a 25-year manufacturer warranty depending on the company you opt to go for.
Pros and Cons
Moxie Solar offers solar installation for residential, commercial, and farm usage so it is a well-rounded reputable company.
Conclusion
Solar photovoltaic panels are the most cost-effective and environmentally responsible technology available. The best option is Windfree Solar because they offer the most cutting-edge innovation as well as excellent warranty protection. With a long life and minimal upkeep requirements, they’re the ones we recommend.