The Best Home Solar in Greenfield, IL

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

#1

StraightUp Solar

4.8
(180 reviews)
Verified

A highly-rated, employee-owned company that is a certified B Corporation, emphasizing ethical business practices and community focus. They are experts in both residential and commercial installations and are known for their excellent customer service and deep knowledge of Illinois-specific incentives, like the Illinois Shines program.

(Primary Service Location) 119 N Main St, O'Fallon, IL 62269

Specialties & Features

Residential solar panel installation
Battery storage system installation
Illinois Shines incentive program expertise

Business Information

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

Sun Solar

4.6
(250 reviews)
Verified

A large regional installer with a strong presence across Illinois and Missouri. They offer comprehensive services from consultation to maintenance and are known for their robust financing options and partnerships with major equipment manufacturers.

(Corporate Office) 1928 S Glenstone Ave, Springfield, MO 65804 (They have an IL branch that serves the area)

Specialties & Features

Solar financing and leasing options
Energy efficiency assessments
Grid-tied solar solutions

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Rethink Electric

4.9
(90 reviews)
Verified

A premier installer specializing in high-end residential systems, particularly known for their expertise in integrating Tesla Powerwall batteries and other advanced smart home energy management systems. They focus on custom-designed, high-efficiency solutions.

101 S Belt W #108, Swansea, IL 62226

Specialties & Features

Battery storage system installation (Tesla Powerwall)
Off-grid solar solutions
Solar energy system design and consultation

Business Information

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

Why These Are the Top Home Solar Contractors in Greenfield

** The home solar market in Greenfield, IL, is characteristic of a rural community: there is no local competition within the village itself, so the market is served exclusively by established regional companies from larger nearby hubs like Springfield, St. Louis-metro area, and Central Illinois. The competition level is moderate among these regional players vying for customers in the broader area. The average quality of service is high, as these companies are well-established, licensed, insured, and must maintain strong reputations to compete across a wide geographic territory. Typical pricing for a residential system in Illinois is competitive, with gross costs generally ranging from **$15,000 to $30,000+** before incentives, depending on system size and complexity. However, the net cost is significantly lowered by the 30% federal solar tax credit and the state's net metering policies. The Illinois Shakes (Adjustable Block) program provides additional financial incentive, making solar a financially viable option for many homeowners in Greenfield. These regional providers are exceptionally well-versed in navigating these specific state and federal incentives, which is a critical factor for any homeowner considering solar in the area.

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 Greenfield regulations and climate

Frequently Asked Questions About Home Solar in Greenfield

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

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

For a typical 6-8 kW system in Greenfield, the gross cost before incentives is usually between $18,000 and $28,000. Crucially, you can claim the 30% federal solar tax credit, and Illinois offers a unique state incentive: the Solar Renewable Energy Credit (SREC) program through the Illinois Shines program, which provides an upfront payment that significantly reduces your net cost. Additionally, Greenfield residents benefit from net metering with Ameren Illinois, crediting you for excess power sent to the grid.

2How does Greenfield's climate and weather affect solar panel efficiency and energy production?

Greenfield's climate is actually favorable for solar production. While panel output peaks on sunny days, they still generate significant power on cloudy days. The four distinct seasons create an annual production curve: summer offers the most peak sun hours, spring and fall are strong, and winter production is lower but enhanced by snow reflection. Importantly, solar panels are more efficient in cooler temperatures, so Illinois' cold, sunny winter days can yield excellent performance.

3Are there any specific local permits or regulations for installing solar panels in Greenfield, IL?

Yes, you will need to obtain a building permit from the City of Greenfield. The process typically involves submitting your system plans for review to ensure compliance with local building and electrical codes. Your chosen installer should manage this entire process. It's also important to check with Greenfield's zoning office regarding any specific aesthetic or placement restrictions, especially if you live in a historic district or have a homeowners' association (HOA), though Illinois law limits an HOA's ability to prohibit solar installations.

4What should I look for when choosing a solar provider to serve Greenfield?

Prioritize providers with proven local experience in Greenfield and Greene County. They will be familiar with the specific permit process, Ameren Illinois interconnection requirements, and local roof structures. Ensure they are licensed, insured, and offer strong warranties. Ask for references from recent local installations and verify they are an approved vendor under the Illinois Shines program to guarantee you receive your state SREC incentive.

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

Modern solar panels are rigorously tested and rated to withstand Illinois weather, including high winds (common standards are for 140 mph) and hail up to 1 inch in diameter impacting at 50+ mph. Reputable installers in Greenfield will ensure your mounting system is engineered for local wind loads. Your homeowner's insurance typically covers solar panels, but you should notify your insurer post-installation to confirm they are included in your policy's coverage.