The Best Home Solar in Grantsburg, IL

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

#1

Straight Up Solar

4.8
(200 reviews)
Verified

A leading local and employee-owned solar installer serving Illinois and Missouri. They are known for their expert design, commitment to the community, and comprehensive service from consultation to maintenance. They are well-versed in Illinois-specific incentives like net metering.

330 Salem Pl, Carbondale, IL 62901 (This is their primary IL office serving the region)

Specialties & Features

Residential solar panel installation
Battery storage system installation
Grid-tied and off-grid solar solutions

Business Information

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

Rethink Electric

4.7
(150 reviews)
Verified

A professional and highly-reviewed solar and electrical contractor focusing on custom residential system design. They emphasize energy efficiency and offer robust financing guidance to help homeowners navigate tax credits and rebates.

115 N Division St, Carterville, IL 62918 (Serves the broader Southern Illinois area)

Specialties & Features

Solar energy system design and consultation
Solar financing and leasing options
Energy efficiency assessments

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Sun-Tec Solar

4.6
(80 reviews)
Verified

A trusted regional installer with a long history in the area. They offer a full suite of solar services, including maintenance and cleaning, and have strong partnerships with major equipment manufacturers, ensuring high-quality warranties and product reliability.

1265 E Main St, Marion, IL 62959 (Services all of Southern Illinois)

Specialties & Features

Solar panel maintenance and repair
Solar panel cleaning services
Manufacturer partnerships and warranties

Business Information

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

Why These Are the Top Home Solar Contractors in Grantsburg

The home solar market in and around Grantsburg, Illinois, is characterized by a small but stable number of high-quality regional providers rather than local in-town companies. Due to the rural nature of Johnson County, installers are typically based in larger nearby cities like Carbondale, Marion, and Carterville, which serve as commercial hubs for Southern Illinois. Competition is moderate but healthy, with several established, reputable contractors vying for business. These companies are generally well-regarded, with high customer satisfaction scores, indicating a market where quality of service is a key differentiator. Typical pricing for a residential system is competitive with national averages, but the overall value is enhanced by Illinois's favorable net metering policies and the availability of the federal investment tax credit (ITC). Homeowners in this region often explore solar solutions to achieve energy independence and mitigate fluctuating utility costs.

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 Grantsburg regulations and climate

Frequently Asked Questions About Home Solar in Grantsburg

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

1What is the average cost of a home solar system in Grantsburg, and are there any Illinois-specific incentives to help pay for it?

For a typical 6-8 kW system in Grantsburg, the gross cost before incentives ranges from $18,000 to $28,000. Crucially, Illinois homeowners benefit from the state's Solar Renewable Energy Credit (SREC) program through the Illinois Shines program, which provides an upfront payment that can significantly reduce your net cost. Combined with the 30% federal tax credit, the final net investment can be much more manageable.

2How does Grantsburg's climate and seasonal weather affect solar panel production throughout the year?

Grantsburg experiences all four seasons, which impacts solar production. You'll generate the most energy during sunny spring and summer days, while shorter, cloudier winter days produce less. Importantly, solar panels operate on light, not heat, and cold, sunny winter days can be very efficient. Snow can temporarily reduce output, but panels are installed at an angle to help shed snow, and their dark surface accelerates melting.

3Are there any local permits or regulations in Johnson County or Grantsburg I need to be aware of for installing solar panels?

Yes, you will need to obtain a building permit from Johnson County or the Village of Grantsburg, which your installer should typically handle. Illinois has a Solar Rights Act that protects your access to sunlight, preventing unreasonable restrictions by homeowners associations. It's also wise to check with your local utility, likely Southern Illinois Electric Cooperative or Ameren Illinois, for their specific interconnection requirements.

4What should I look for when choosing a solar installer serving the Grantsburg area?

Prioritize installers with strong local experience in Southern Illinois, as they understand regional weather patterns and utility requirements. Verify they are licensed, insured, and certified by an organization like NABCEP. Always ask for local references and compare multiple detailed quotes that outline equipment brands, warranty terms, production estimates, and their process for securing Illinois Shakes incentives.

5I'm concerned about power outages. Will my solar panels work if the grid goes down in a storm?

Standard grid-tied solar systems automatically shut off during a grid outage for safety reasons, so you would not have power. To maintain electricity during an outage common in Southern Illinois storms, you must pair your solar system with a dedicated battery storage solution, like a Tesla Powerwall or similar. This creates a home microgrid, allowing your solar panels to charge the battery and power essential circuits independently.