Compare the highest-rated home solar professionals in Monmouth, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly respected, regional solar installer known for comprehensive service from consultation to installation and maintenance. They are praised for their expertise, quality workmanship, and deep knowledge of local and state incentive programs.
A certified B-Corp and employee-owned company focused on clean energy and community. They offer a full suite of residential services and are known for their excellent customer service and educational approach.
A central Illinois-based installer that has built a strong reputation for residential projects. They are known for personalized service, local expertise, and handling the entire process, including navigating utility interconnection for Ameren Illinois customers.
** The home solar market in Monmouth, Illinois, is characteristic of a smaller, rural community served by established regional companies rather than local, single-city installers. The competition is moderate, with the most active providers based in larger hubs like the Quad Cities, Peoria/Springfield, and St. Louis metro areas who extend their service radii to cover western Illinois. The average quality of service is high, as these regional players have strong reputations to maintain and hold necessary certifications (like NABCEP). Typical pricing for a residential system is competitive with national averages, generally ranging from **$15,000 to $25,000** after applying the 30% federal tax credit, for a standard 6-8 kW system. Homeowners in Monmouth benefit from net metering through Ameren Illinois and can combine federal incentives with state-specific programs like the Illinois Solar Renewable Energy Credits (SREC) program, which provides additional long-term financial returns.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Monmouth regulations and climate
Get answers to common questions about home solar services in Monmouth, Illinois.
For a typical 6-8 kW system in Monmouth, the gross cost before incentives is usually between $18,000 and $28,000. Crucially, you can reduce this by 30% with the federal Investment Tax Credit (ITC). While Illinois' state-wide Adjustable Block Program (solar renewable energy credits) is currently paused for new applications, Monmouth homeowners should also check with Ameren Illinois for any available rebates and benefit from net metering, which credits you for excess power sent back to the grid.
Monmouth experiences all four seasons, with sunny summers being highly productive for solar energy. While winter brings shorter days and potential snow cover, modern panels are efficient in cold, clear weather and snow typically melts quickly off the dark panels. Importantly, Illinois' climate provides a strong balance, and your system will be designed based on Monmouth's specific historical sun-hours to ensure annual production goals are met, with peak output from spring through fall.
Prioritize installers who are licensed, insured, and have strong local experience in Warren County. They should understand Ameren Illinois' interconnection process and local permitting requirements. Look for established companies with strong warranties, local references, and a physical presence in Illinois. Be wary of out-of-state or door-to-door vendors making unrealistic promises, and always get multiple detailed quotes.
Yes, you will need a building permit from the City of Monmouth's Community Development Department. A reputable local installer will typically manage this entire process for you, ensuring the system meets all local building and electrical codes. They will also handle the necessary interconnection agreement with Ameren Illinois to legally connect your system to the utility grid.
Standard grid-tied solar systems will automatically shut off during a power outage for safety reasons, to protect utility workers. To have power during an outage, you need a system equipped with a solar battery backup (like a Tesla Powerwall or similar). This is a valuable consideration for Monmouth homeowners concerned about severe weather-related outages, as the battery can store excess solar energy for use when the grid is down.