Renewable Energy Companies in Illinois
72 companies listed

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…

POWERHOME SOLAR is an American company specializing in energy efficiency, solar energy, and roofing services. The company launched in 2015 in Mooresville, N.C., and today has more than 1,000 employees. It is the No. 1 residential rooftop provider of solar energy solutions in the following states NC,SC,PA,VA,IN,OH,MI,MO,…

Since 2009, the Energy Solutions Group of Continental Electrical Construction Company has assisted countless customers in maximizing energy savings while reducing the size of their carbon footprint — a win for operators and the environment alike! Our Energy Solutions division offers an unbeatable…

Fresh Coast Solar is comprised of a team of skilled solar professionals with years of experience in the industry. From residential solar installations that are helping families realize their energy independence to large scale, utility-led projects that have opened the doors for entire communities to…

Ailey Solar is a solar PV designer and installer. We install the future every day by making quality, safe solar installations affordable. We provide quick and easy consultations so you can find out how simple and affordable solar can be for you or your business. Electric rates are inevitably going to…

Energy Concepts, Inc. offers real-world technical training systems that provide actual work skills.To meet your training needs, all of our systems are designed to satisfy the most rigorous academic requirements, as well as having the ability to accommodate future technological innovations.Browse through…

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…

Revolution Energy Systems, Inc has successfully installed over 150+ projects totaling nearly 1.2 Megawatts of capacity in the Illinois market. In order to help maintain our position as a leader in the market we have joined forces with many organizations that focus on solar policy as well as installation…

Founded in December 2018, 93Energy is Chicagoland’s premier provider for solar power panel systems and an authorized dealer for SunPower. Our solar panel company is located near Chicago in Skokie, IL, 93Energy is proud to offer Illinois residents the freedom and flexibility…

BOW Renewables arose after three colleagues banded together to find accessible solutions for sustainable energy in the aftermath of a devastating hurricane.  Solar and other renewable energy alternatives, slows the rate of climate change, reducing carbon emissions and the detriment that severe…

Commitment to Excellence Through our extensive global network of companies and the longevity of our energy and finance professionals, Goldwind Americas offers a comprehensive, turnkey menu of services including R&D, project development, turbine manufacturing, project management/supervision…