From Chicago’s skyline to the farmlands of Southern Illinois, the Prairie State is seeing a surge in property owners and landlords turning to commercial solar. Across Illinois, businesses are investing in solar to cut energy costs, generate new income, and commit to long-term sustainability—whether it’s installed on rooftops, parking lots, or unused land.
Commercial solar in Illinois offers strong advantages for businesses and property owners—from reducing electricity bills to enhancing long-term property value. With available Illinois solar incentives, utility rebate programs, and competitive installation costs, solar energy in Illinois is more accessible and cost-effective than ever. Top solar companies in Illinois, including experienced installers in Chicago and throughout the state, are helping commercial clients transition to clean, renewable power. Whether you're installing rooftop panels, solar carports, or exploring virtual net metering opportunities, commercial solar in Illinois delivers both financial returns and environmental impact.
Earn rental income in Illinois by leasing rooftop or land space for solar energy projects.
Lower your operating costs with solar energy and take advantage of Illinois' solar incentives and net metering programs.
Meet sustainability and regulatory requirements by installing commercial solar systems backed by Illinois solar programs.
Appeal to ESG-driven tenants with visible solar investments that align with corporate sustainability goals.
Participate in community solar projects in Illinois to expand clean energy access and strengthen your public impact.
Boost long-term property value with solar installations that improve NOI and make your asset more attractive to buyers and tenants.
Illinois offers a variety of commercial solar offtake options to fit different property types and energy goals. Behind-the-meter (BTM) systems help businesses offset on-site energy use and reduce utility bills. Community solar programs like Illinois Shines enable property owners to host projects and sell subscriptions, expanding clean energy access. While virtual net metering is limited, Power Purchase Agreements (PPAs) and Solar Renewable Energy Credit (SREC) sales provide additional ways to finance solar investments. Experienced Illinois solar providers offer flexible solutions to maximize the value of clean energy.
Behind-the-meter solar in Illinois enables businesses to install solar panels on-site and directly offset their electricity usage. This setup reduces utility bills and supports energy independence, while allowing companies to benefit from Illinois net metering and available solar incentives.
Community solar in Illinois lets property owners host solar arrays and sell energy to off-site subscribers, including residents and businesses. Programs like Illinois Shines and Illinois Solar for All make it easy to generate recurring income while expanding access to clean energy.
PPAs allow businesses to install solar in Illinois with little or no upfront cost by purchasing the power generated at a fixed rate, ensuring predictable energy expenses. SREC sales provide additional income by monetizing the renewable attributes of the energy produced, improving project returns.
Illinois provides a wide range of solar incentives—including grants, tax credits, and exemptions—to make solar energy more accessible and affordable for both residents and businesses.
Provides a 30% federal tax credit on the total cost of solar installations, significantly lowering upfront expenses for homeowners and businesses.
Exempts the added value of a solar system from property tax assessments, protecting property owners from higher taxes due to solar investments.
Offers upfront rebates to ComEd and Ameren customers who install solar systems with smart inverters or battery storage, reducing overall project costs.
Delivers affordable or no-cost solar installations to income-eligible residents, nonprofits, and public facilities, ensuring equitable access to clean energy.
Your Illinois property's utility provider significantly impacts the financial outcomes of your solar project. In Illinois, several major electric utilities support commercial and community solar programs, including:
Illinois Utilities: Commonwealth Edison (ComEd), Ameren Illinois, and MidAmerican Energy, City Water, Light and Power (CWLP)
LXP Industrial Trust (NYSE: LXP), a REIT focused on Class A warehouse and distribution investments, partnered with Wunder to deploy an on-site solar system at LXP’s Rockford, Illinois industrial facility.
The 207 kW solar system came online in June 2024 and is anticipated to generate 261,990 kilowatt hours of power in its first year of operation alone, deliver substantial energy bill savings to the tenant and offsetting more than 403,500 pounds of CO2 emissions.
Ideal property types for commercial solar in Illinois include large rooftops, warehouses, distribution centers, office buildings, big box retail, industrial facilities, agricultural land, parking lots, parking garages, brownfields, capped landfills, manufacturing plants, hospitals, universities, data centers, logistics hubs, municipal and government buildings, self-storage facilities, cold storage warehouses, shopping centers, airports, and school campuses.
Wunder delivers turnkey commercial solar installation in Illinois—combining expert system design, professional installation, and flexible financing options to meet your business needs. We handle everything from feasibility studies and permitting to construction and utility interconnection, ensuring a seamless experience from start to finish. With tailored financing solutions and proven performance, going solar in Maryland has never been more accessible or cost-effective. Partner with us to design smarter, install faster, and save more.
Among the leading solar companies in Illinois, we specialize in turnkey solar solutions for commercial and industrial property owners. From property evaluation and permitting with the Illinois Commerce Commission to utility interconnection, we manage every step of the process. With many projects requiring little to no upfront capital, partnering with a trusted Illinois solar company makes it easy to start saving on energy costs and generating revenue from your property.
Learn MoreWunder provides commercial and industrial solar solutions across all 102 Illinois counties, servicing every city and town—large and small—statewide.
Cook County, DuPage County, Lake County, Will County, Kane County, McHenry County, Madison County, Winnebago County, St. Clair County, Champaign County, Sangamon County, Peoria County, Kankakee County, DeKalb County, Rock Island County, Kendall County, Tazewell County, Boone County, McLean County, Vermilion County, Jackson County, LaSalle County, Macon County, Ogle County, Whiteside County, Lee County, Grundy County, Coles County, Christian County, Livingston County, Fayette County, Effingham County, Crawford County, Greene County, Clinton County, Perry County, Bond County, Washington County, Hamilton County, Saline County, Union County, Jefferson County, Marion County, Franklin County, Gallatin County, Wabash County, Wayne County
Chicago, Aurora, Naperville, Joliet, Rockford, Springfield, Elgin, Peoria, Champaign, Waukegan, Cicero, Evanston, Bloomington, Arlington Heights, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect, Wheaton, Normal, Hoffman Estates, Oak Park, Downers Grove, Elmhurst, Glenview, DeKalb, Bartlett, Streamwood, Carol Stream, Romeoville, Hanover Park, Batavia, Calumet City, Park Ridge, La Grange, Moline, Quincy, Park Forest, East Peoria, Homewood, Granite City, Alton, Elmwood Park, West Chicago, Woodstock