Renewable Energy Companies in Illinois
139 companies listed

Our top priority is our customers. We want to make the transition to solar EASY for you. We do the work, you reap the reward. There are no hidden fees, and everything is strictly regulated. Our installers take pride in the work that they do and are local to our community. We are on your side to help…

A solar energy company headquartered in Chicago, Illinois. It is a residential solar provider that designs, installs, and maintains relationships with solar clients.      Founded in 2018, Energy of Illinois Inc set out to become the leading Renewable Energy Company for homeowners in Illinois…

Blue Stone Solar was founded on the belief that affordable solar should be accessible to everyone.  Federal Incentives: The most popular incentive for homeowners and businesses is the Federal Solar Tax Credit. A taxpayer who installs a solar energy system is eligible to receive a 26% tax credit.…

We are a locally owned company, not a nationwide corporation using devious sales tactics and untruthful sales.  Our family has been in construction for over three generations, we have built everything, from  custom homes to fences.  The renewable energy all started for us years ago, local…

At 360 Energy Group we don’t make energy efficiency or renewable energy technologies, we make them viable. Our goal as a leading energy consulting firm is to help public and private building owners, energy utilities and government agencies make the most of their energy resources. ​ Through our…

Do you feel the need to take control of the rising energy costs?   Do you want to ensure future generations have a world that is sustainable and comfortable to live in without extreme temperatures and harmful pollution?   Do you feel the oil and power companies make more than their fair share?…

At ENGIE our mission is to empower vibrant, sustainable businesses and communities for generations to come through clean energy services. ENGIE Distributed Renewables offers solutions that enable clients to focus on their business. With over 2 GW of solar installations, ENGIE is a recognized leader…

Kapital Electric is a leader in providing alternative energy solutions for your home or business in metropolitan Chicago and the surrounding suburban Illinois areas. With decades of industry experience in construction and renewable energy, we’re the team you can trust throughout each step of the…

Windfree Wind and Solar Energy Company was founded early in 2009 by a team of creative energy visionaries and early adopters of sustainable technologies. Windfree's team includes a well-respected, multi-disciplinary group of Chicago’s business, architectural, artistic and community leaders. The…

Independence Renewable Energy (IRE) is a locally owned & family operated solar energy installations company. We have been in business since 2010 specializing in design, sales, installation and maintenance of solar energy systems. IRE also offers full service electrical contracting.  IRE services…

Day & Night Solar offers all of the services needed to design, install, finance and maintain renewable, solar energy systems. Since opening its doors in early 2009, Day & Night Solar has responded to the rapid demand in the growing solar industry by expanding from its roots in Southern Illinois…

WCP Solar is a licensed, bonded, and insured full-service engineering firm. We specialize in the design, development, and installation of Solar Photovoltaic and Thermal Systems. Thermal systems include; Solar Hot Water Systems, Solar Radiant Heating Systems, Solar Cooling Systems, Solar Pool Heating…

Navitas Systems designs and manufactures innovative energy storage products and systems for commercial, industrial and government/public sector customers. Our lithium battery products are optimized for motive, idle-reduction and heavy duty/off road related applications. Market-leading products include…

We’re one of Ohio’s leading energy companies, with nearly 1,000 employees dedicated to providing customers with the services they need every day. Headquartered in Columbus, we are the largest provider of natural gas service in the state. We’re one of the seven energy delivery companies…

Changing the world using renewable energy isn’t easy but is the core of our purpose. Solar energy is the cleanest and most effective way to create power for homes and we would love to see every single qualified homeowner get access to solar power. Headline Solar is an organization based entirely…

Certasun is Illinois’s premier home solar company and we are committed to an exceptional customer experience.  As such, we’ve developed our No Surprises Guarantee. The No Surprises Guarantee means that you can count on us to give you honest advice about the right system for your home,…

LanzaTech is turning our global carbon crisis into a feedstock opportunity with the potential to displace 30% of crude oil use today and reduce global CO2 emissions by 10%. By recycling carbon from industrial off-gases; syngas generated from any biomass resource (e.g. municipal solid waste (MSW),…

Since 2012, we have established deep roots throughout the Midwest and have developed our teams to operate in two very different areas - commercial and residential. Our full-service solar installation team includes consultants, engineers, project managers, electricians, and solar installers.…

Tick Tock Energy, founded in 2006 and located in Effingham, IL, is one of the Midwest’s premier providers of solutions to cut your utility costs. In addition to being a leading LED lighting and solar contractor in Illinois, we also offer knowledgeable energy solutions consulting to our customers…

Trajectory Energy Partners brings together landowners, electricity users, and communities to develop solar energy projects with strong local support. Our team brings together a deep background in solar development, financing, and policy; as well as agriculture and community engagement that makes us…