The Best Home Solar in Grafton, IL

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

#1

Straight Up Solar

4.8
(200 reviews)
Verified

A highly-rated, employee-owned company specializing in residential and commercial solar, battery storage, and EV charger installations. They are known for their expertise in both grid-tied and off-grid systems and have a strong reputation for customer service and quality workmanship throughout Illinois and Missouri.

1826 Cross St., Sauget, IL 62206 (This is their IL headquarters; they serve Grafton.)

Specialties & Features

Solar panel installation
Battery storage system installation
Off-grid solar solutions

Business Information

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

Sun Solar

4.5
(250 reviews)
Verified

A prominent regional installer with a significant presence in the Midwest. Sun Solar offers comprehensive services from consultation and design to installation and maintenance. They provide various financing options and are well-versed in local and federal incentives.

6312 Illinois 162, Maryville, IL 62062 (One of their several locations; they actively serve the Grafton area.)

Specialties & Features

Solar financing and leasing options
Residential solar panel installation
Energy efficiency assessments

Business Information

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

Rethink Electric

4.9
(80 reviews)
Verified

A St. Louis-based company that has quickly built an exceptional reputation for high-end residential solar and battery installations. They focus on custom system design, premium components, and superior customer service, making them a top choice for homeowners seeking a premium solution.

1321 S 39th St, St. Louis, MO 63110 (Based in St. Louis, they serve the entire metro area including Grafton.)

Specialties & Features

Solar energy system design and consultation
Battery storage system installation
Grid-tied solar solutions

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Grafton

** The home solar market in Grafton, Illinois, is characteristic of a smaller, rural community served by strong regional players. Homeowners in Grafton do not have many (if any) solar installers physically located within the city limits but have excellent access to top-tier companies from the nearby Alton/Edwardsville and St. Louis areas. The competition among these regional providers is robust, which benefits the consumer through competitive pricing and high service quality. The average quality of installation and service is high, as these established companies hold necessary certifications (like NABCEP) and partnerships with top manufacturers (e.g., Tesla, Enphase, SunPower). Typical pricing for a residential system in Grafton is competitive with national averages, generally ranging from **$15,000 to $35,000+** before the 30% federal tax credit, depending on system size, equipment quality, and roof complexity. The combination of the federal tax credit and Illinois's net metering policies makes solar a financially viable option for many homeowners in the area. These companies are well-versed in navigating these incentives, which is a critical part of their service offering.

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 Grafton regulations and climate

Frequently Asked Questions About Home Solar in Grafton

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

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

For a typical 6-8 kW system in Grafton, the gross cost before incentives ranges from $18,000 to $28,000. Crucially, you can reduce this by 30% with the federal Investment Tax Credit (ITC). While Illinois does not have a statewide property tax exemption for solar, Ameren Illinois offers net metering, and you may qualify for local rebates or special financing through the Illinois Solar for All program if you meet income requirements.

2How does Grafton's climate and the Mississippi River bluff location affect solar panel efficiency?

Grafton's climate offers ample sunny days, making solar highly viable, though seasonal variation is significant. Summer provides peak production, while shorter winter days and potential snow cover on the bluffs require proper panel tilt for snow shedding. The high humidity near the river is not a major concern for modern panels, but ensuring your installer uses corrosion-resistant mounting hardware is a good local practice.

3What should I look for when choosing a solar installer in the Grafton area?

Prioritize Illinois-licensed, insured, and bonded installers with specific experience in the region. They should understand local building codes, Ameren Illinois interconnection requirements, and the best practices for roof mounting on common home styles in the area. Always check reviews, ask for local references in Jersey or Calhoun County, and verify they handle the entire permit process with the City of Grafton.

4How long does the entire process take from signing a contract to turning the system on in Grafton?

From contract to activation typically takes 2 to 4 months. The timeline includes system design, securing permits from the City of Grafton, scheduling the installation (which itself takes 1-3 days), and finally, the inspection and interconnection approval from Ameren Illinois. Seasonal weather on the bluffs can sometimes cause minor delays during installation.

5I'm concerned about severe weather. Are solar panels durable enough for the storms and hail we can get in Grafton?

Yes, modern solar panels are rigorously tested to withstand severe weather, including hail up to one inch in diameter at high speed. Reputable installers in Grafton will use mounting systems rated for local wind loads and ensure your homeowner's insurance is updated to cover the system. The panels can actually add a protective layer to your roof.