The Best Home Solar in Greenville, IL

Compare the highest-rated home solar professionals in Greenville, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Straight Up Solar

4.8
(200 reviews)
Verified

A leading regional solar installer serving Illinois and Missouri, known for its comprehensive service from consultation and design to installation and maintenance. They are praised for their expertise in both residential and commercial systems and their deep knowledge of state-specific incentives.

2 Champaign Pl, Edwardsville, IL 62025 (Primary location serving Greenville)

Specialties & Features

Residential solar panel installation
Battery storage system installation
Solar financing and leasing options

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#2

Sun Solar

4.6
(250 reviews)
Verified

A well-established company with a strong presence in the Midwest, offering end-to-end solar solutions. They provide free energy assessments and are recognized for their customer service and robust warranty offerings.

3641 N Water St, Decatur, IL 62526 (Serves a wide area including Greenville)

Specialties & Features

Solar energy system design and consultation
Grid-tied and off-grid solar solutions
Energy efficiency assessments

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Rethink Electric

4.7
(150 reviews)
Verified

A reputable local contractor specializing in modern electrical solutions, including advanced solar PV and battery storage systems like Tesla Powerwall. They focus on high-quality craftsmanship and personalized system design.

108 N Main St, O'Fallon, IL 62269 (Services the Southwestern Illinois region)

Specialties & Features

Residential solar panel installation
Battery storage system installation
Solar panel maintenance and repair

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Greenville

The home solar market in Greenville, Illinois, is characteristic of a smaller rural community. There is moderate competition, primarily from reputable regional installers based in larger nearby cities like Edwardsville, Decatur, and the St. Louis metro area, who extend their services to Greenville. The average quality of service is high, as these established companies bring professional certifications (like NABCEP), strong manufacturer partnerships (e.g., with Tesla, Enphase, or Qcells), and extensive experience with Illinois's net metering policies and state incentives. Typical pricing for a residential system is competitive with the national average, generally ranging from **$15,000 to $25,000** for a standard 6kW system before applying the 30% federal tax credit and any other local rebates. Customer adoption is steadily growing, driven by increasing electricity costs and a desire for energy independence.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Greenville regulations and climate

Frequently Asked Questions About Home Solar in Greenville

Get answers to common questions about home solar services in Greenville, Illinois.

1What is the average cost of a home solar system in Greenville, IL, and are there any local incentives?

For a typical 6-8 kW system in Greenville, the gross cost before incentives ranges from $18,000 to $28,000. Crucially, you can apply the 30% federal tax credit, and Illinois offers a unique state incentive: a rebate of $300 per kilowatt (kW) DC installed through the Illinois Shines program, which directly lowers your upfront cost. Additionally, Greenville residents benefit from net metering with Ameren Illinois, crediting you for excess power sent back to the grid.

2How does Greenville's climate and seasonal weather affect solar panel production?

Greenville experiences all four seasons, with sunny summers and colder, cloudier winters. Solar panels are highly efficient in cool, sunny weather, so spring and fall often yield excellent production. While winter output is lower due to shorter days and potential snow cover, modern panels are effective at shedding light snow, and the annual cumulative sunlight is more than sufficient to make solar a strong investment, with systems designed to meet your yearly energy needs.

3What local permits and regulations do I need to navigate for a solar installation in Greenville?

Installing solar in Greenville requires a building permit from the City of Greenville's Building & Zoning Department to ensure structural and electrical code compliance. Your chosen reputable installer will typically manage this entire process. They will also handle the interconnection agreement with Ameren Illinois and ensure the system meets all specific requirements of the local utility district.

4How do I choose a reliable solar provider serving the Greenville area?

Prioritize Illinois-based, licensed contractors with strong local experience. Verify they are certified by the North American Board of Certified Energy Practitioners (NABCEP) and check their rating with the Better Business Bureau. Ask for references from recent installations in Bond or surrounding counties and ensure they provide a detailed production estimate specific to Greenville's weather patterns and your roof's orientation.

5I'm concerned about hail and severe storms. Are solar panels durable enough for Illinois weather?

Yes, modern solar panels installed in Greenville are rigorously tested to withstand Illinois hail and high winds. Most manufacturers offer product warranties guaranteeing protection against hail up to 1 inch in diameter at 50+ mph, and systems are engineered to meet local building codes for wind resistance. It is also essential to review your homeowner's insurance policy, as most cover solar panels as a permanent part of the structure.