Kelsey Albers
AES was amazing to work with! They were excellent at communication and follow-through. The entire process was painless—from the estimate and site visit to contract signing, installation, and customer service.
★★★★★
OWN
YEARS OF
POWER
AES Solar has powered businesses across Southern Illinois for over 25 years. Let’s talk about what solar means for your bottom line.
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THE OPPORTUNITY
Solar isn't green
spending. It's a financial strategy.
Every year, a portion of your profit goes straight to the IRS. Solar lets you redirect a meaningful piece of that toward an asset that lowers your operating costs for the next 25 years. Federal incentives, state programs, and accelerated depreciation can stack together to make the math work in your favor right now, not someday.
WHY NOW
Invest now,
save later.
Energy costs only move in one direction. A solar investment locks in protection against those increases while reducing what you pay out every month. The incentive stack available today won’t last forever, and businesses that act now capture more of the benefit.
WHY AES
25 years of
powering Southern
Illinois business
From manufacturing floors to retail storefronts, AES has installed solar for businesses of every size across the region. We’re the oldest solar company in Southern Illinois, with the technical depth to handle commercial scale systems and the battery expertise to back them up.
1999
SINCE THE START
AES has been serving Southern Illinois solar customers since 1999.
100+
FIVE STAR REVIEWS
Backed by over 100 five star reviews from customers.
115
SYSTEMS LAST YEAR
AES installed 115 systems in 2025.
1300
BATTERY BACKUP
Nearly 750 kWh of battery backup installed in 2025.
HOW IT WORKS
From quote to power on
01
Free Consultation.
We walk your property and learn how your home uses energy.
02
Custom Design.
We design a system sized to your business, your usage, and your budget. Roof or ground mount, your call.
03
Professional Installation.
Our in house crew installs it right the first time.
04
Power On.
Your system goes live, and our team stays on for support.
05
Incentive Paperwork
We handle all the paperwork so you don't have to worry about it
CURRENT INCENTIVES
Programs that may
help reduce the
cost of going solar.
AES helps homeowners identify available solar and battery incentives. Program rules, rebate amounts, and eligibility requirements can change.
Illinois
Illinois Shines SREC
Incentive
Illinois Shines helps support new solar projects through Solar Renewable Energy Credits, often called SRECs.
Learn More >
Ameren
Ameren Smart
Inverter Rebate
Ameren Illinois customers may qualify for a Distributed Generation rebate when the system uses a qualifying smart inverter.
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Battery
Ameren Battery
Storage Rebate
Ameren Illinois customers who add qualifying battery storage may be eligible for a rebate based on battery capacity.
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Business
Federal Tax Credit
for Businesses & Non-Profits
Commercial solar projects may qualify for a federal tax credit of up to 30% of eligible project costs.
Learn More >
Location
Energy Community
Bonus
Many areas in Southern Illinois may qualify for an additional Federal Energy Community bonus, adding 10%.
Learn More >
Tax
MACRS Depreciation
for Businesses
Commercial solar projects may qualify for accelerated depreciation through the Accelerated Cost Recovery System.
Learn More >
Incentives and eligibility can change; final eligibility is set by the utility, program administrator, and IRS. Consult a tax professional for tax advice. For Illinois Shines projects, the system’s RECs are sold through the program to help lower your cost.
CUSTOMER VOICES
Here's what our customers are saying
Testimonials are from actual AES Solar customers. Individual customers’ experiences may differ.
Your energy bill is an expense. Your solar system is an asset.
Let's build the numbers together.
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