Best Solar Companies in Illinois

Navigating the world of solar energy in Illinois can feel like walking through a maze. With a plethora of companies promising the best services and deals, how do you choose the right one?

Fear not! Whether you’re a first-time buyer or looking to upgrade your current setup, understanding what makes a solar company stand out is key. In the Prairie State, where sunlight is as valued as a good deep-dish pizza, selecting the ideal provider can significantly cut your energy bills and reduce your carbon footprint.

The best way to get a good idea of how much solar panels will cost you in your area is to get multiple quotes from solar companies to compare costs, equipment, savings estimates, etc.

Curious about who tops the list and why they’re the best choice for your solar needs? Stay with us as we illuminate the path to finding the top solar companies in Illinois listed below!

Key Takeaways:

  • Research the best solar companies in Illinois to find the right fit for your needs.
  • Consider factors such as product efficiency, warranties, and installation services.
  • Explore financing options to make the switch to solar energy more affordable.
  • Read customer reviews and testimonials for insights into each company’s reputation.
  • Choose a solar company that aligns with your sustainability goals.

We highly recommend you get at least one of your quotes from the #1 Solar Advisor in the U.S., UnderstandSolar. They have relationships with the largest, most trusted solar installers to provide homeowners with free, accurate, no-obligation solar savings estimates.

To get started, just enter your zip code below and fill out the form on UnderstandSolar’s site to get an accurate savings estimate from a trustworthy local solar installer.


Sunpower is one of the most experienced solar companies in Illinois, specializing in the development and production of high-quality solar panels. They offer a wide range of products designed to meet the unique energy needs of homeowners and businesses. These panels are very efficient and durable. They also provide a 25-year workmanship warranty on their installations

Products and Efficiency

At Sunpower, you can find the latest advancements in solar panel technology. They offer three main product lines: the A-Series, X-Series, and E-Series solar panels. These panels are known for their exceptional efficiency and power output, making them a top choice for those looking to maximize their energy production and save on electricity bills.


Sunpower’s commitment to innovation is exemplified by their use of advanced technology in their solar panels. They utilize their proprietary Maxeon cell technology, which ensures unparalleled performance, durability, and reliability. This technology allows Sunpower solar panels to perform optimally even in challenging weather conditions, making them a reliable choice for Illinois homeowners.

Durability and Warranty

Sunpower’s dedication to producing durable solar panels is evident in their construction. Their panels are designed to withstand harsh weather elements, ensuring longevity and minimal maintenance. Additionally, Sunpower offers a comprehensive warranty on their solar panels, providing customers with peace of mind and assurance that their investment is protected.

Sustainability Efforts

As a leader in the solar industry, Sunpower is committed to sustainability and reducing carbon emissions. They prioritize the use of clean and renewable energy sources and employ environmentally-friendly practices throughout their manufacturing process. By choosing Sunpower solar panels, you contribute to the transition to a more sustainable future.

Installation and Services

Sunpower not only provides high-quality solar panels but also offers comprehensive installation and customer support services. Their team of experienced professionals ensures a seamless and efficient installation process, making the transition to solar energy hassle-free. Additionally, Sunpower provides ongoing maintenance and support, ensuring that your solar panels continue to perform optimally throughout their lifespan.

Blue Raven Solar

When it comes to harnessing the power of the sun, Blue Raven Solar is a leading choice for homeowners in Illinois. This top-rated solar company offers a wide range of services and financing options to make the transition to solar energy seamless and affordable.

Services and Financing Options

Blue Raven Solar provides professional installation services, ensuring that your solar panels are installed efficiently and effectively. Their team of experts is dedicated to delivering excellent customer service throughout the entire process, answering any questions you may have and providing ongoing support.

In addition to their installation services, Blue Raven Solar offers flexible financing options to suit your specific needs. They understand that investing in solar energy can be a significant decision, which is why they provide options such as solar leases and power purchase agreements. These financing options allow homeowners to enjoy the benefits of solar energy without the burden of upfront costs.

With a solar lease, you can lease the solar panels from Blue Raven Solar and pay a fixed monthly fee for the use of the panels. This option provides a hassle-free way to enjoy solar energy while saving on your electricity bills.

Alternatively, a power purchase agreement (PPA) allows you to buy the solar energy produced by the panels at a locked-in rate. This option provides long-term savings on your electricity bills and allows you to support clean and sustainable energy.

No matter which financing option you choose, Blue Raven Solar is committed to making solar energy accessible and affordable for homeowners in Illinois. Their goal is to help you take control of your energy consumption and reduce your carbon footprint.

By partnering with Blue Raven Solar, you can enjoy the benefits of clean, renewable energy while saving money on your electricity bills. Contact Blue Raven Solar today to learn more about their services and financing options, and make the switch to solar energy.


RxSun is a reputable solar company in Illinois known for its high-quality products and reliable installation services. They offer a range of solar panels designed to maximize energy production and efficiency. With RxSun solar panels, you can harness the power of the sun to reduce your carbon footprint and save on energy costs.

When it comes to installation, RxSun has a team of trained professionals who will ensure that your solar panels are installed correctly and efficiently. They understand the importance of a seamless installation process and will take care of all the necessary permits and paperwork, making the switch to solar hassle-free for you.

One of the key advantages of choosing RxSun is their warranty program. They provide comprehensive warranties to protect your investment and give you peace of mind. With RxSun’s warranty, you can rest assured that your solar panels are covered in the unlikely event of any manufacturing defects or performance issues.

RxSun strives to make solar energy more accessible and affordable for homeowners. They offer competitive pricing options and financing plans to ensure that going solar fits within your budget. By choosing RxSun, you can start enjoying the benefits of clean, renewable energy while also making a positive impact on the environment.

Experience the power of RxSun solar panels and take the first step towards a greener future. Contact RxSun today to learn more about their products, installation services, warranty, and pricing options.


Palmetto is a trusted solar company in Illinois that offers a wide range of services and products. They provide customized solar solutions tailored to meet the unique needs of each homeowner. Palmetto understands that every house and energy requirement is different, so their team of experts works closely with customers to design and install the most efficient solar systems.

When it comes to solar services, Palmetto offers comprehensive solutions for residential properties. They handle every aspect of the installation process, from system design to obtaining the necessary permits and completing the installation. Palmetto ensures that the entire process is hassle-free for homeowners, giving them peace of mind and convenience.

In terms of solar products, Palmetto provides high-quality solar panels and other related equipment. They offer a selection of top-rated solar panels that are known for their efficiency and durability. Palmetto’s panels are designed to maximize energy production and are built to withstand various weather conditions.

Palmetto also understands that financing can be a significant consideration for many homeowners. To make solar energy more affordable, they offer various financing options. Whether you prefer a solar loan or a lease, Palmetto helps you choose the best financial plan that suits your budget and goals.

Financing OptionsDescription
Solar LoansPalmetto provides access to competitive solar loan options, allowing homeowners to finance their solar systems with affordable monthly payments.
Solar LeasesWith a solar lease, homeowners can enjoy the benefits of solar energy without the upfront costs. Palmetto leases the solar system to homeowners, who pay a fixed monthly fee.

Palmetto values customer satisfaction and aims to build lasting relationships with their clients. They provide warranties to ensure the longevity and performance of their solar systems. With their dedication to quality, Palmetto stands behind their products, giving homeowners peace of mind for years to come.

Palmetto solar services

Tron Solar

Tron Solar started in Illinois in 2018 and has quickly made a name for itself in 10 states by providing excellent residential and commercial solar solutions. They were recognized as one of the top solar contractors by Solar Power World in 2022 and 2023, showing their dedication to top-quality service.

Tron Solar does more than just install solar panels. They make sure your whole system is set up to work efficiently and last a long time.

Services and Financing Options

If you’re looking for reliable solar solutions, Tron Solar is an excellent choice. They offer a diverse range of services to meet your individual needs. Whether you need a complete solar panel installation, system upgrade, or maintenance, their team of experts is here to help. Tron Solar understands that every homeowner has unique requirements, so they tailor their offerings to suit your preferences.

Tron Solar also provides flexible financing options, ensuring that solar energy is accessible to everyone. They understand that upfront expenses can be a concern, so they have designed various financing plans to fit different budgets. Whether you prefer a solar loan, lease, or power purchase agreement, Tron Solar has flexible options to help you transition to clean, renewable energy.

Key Features

Tron Solar stands out for its exceptional key features. They offer backup battery solutions that ensure uninterrupted power supply even during outages. This feature provides peace of mind, knowing that your home will have power even when the grid goes down. Additionally, Tron Solar provides smart energy management systems, empowering you to monitor and optimize your energy consumption efficiently.


Tron Solar understands the importance of customer satisfaction and stands behind the quality and performance of their solar systems. They offer comprehensive warranties to protect your investment. With Tron Solar, you can have confidence in the reliability and durability of their products. Their warranties provide assurance that your solar system will generate clean energy for years to come.