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Solar Installation in Joliet, IL

Joliet is a Will County hub with ComEd service and growing suburban development making it a strong Illinois Shines solar market.

Utility: ComEd
Sun Hours: 4.3 hrs/day
Avg. Bill: $125
Population: 150,000

Why Go Solar in Joliet?

Joliet homeowners face $125 average monthly electricity bills from ComEd, with rates that continue to rise year over year. With 4.3 hrs/day of peak sun exposure, Joliet is a strong solar market in Illinois. The 30% federal tax credit, combined with federal solar tax credit (30%), makes now the optimal time to invest in rooftop solar.

Through Illinois Shines, Joliet homeowners on ComEd earn REC payments over 15 years on top of the 30% federal tax credit. Combined with utility smart inverter rebates, total payback is 7-10 years.

Neighborhoods We Serve in Joliet

Downtown JolietWest JolietEast JolietPreston HeightsIngalls Park

Local Landmarks

Hollywood Casino, Joliet Prison area, I-80/55

Electricity in Joliet

Utility Provider
ComEd
Average Monthly Bill
$125
Net Metering
As of Jan 1, 2025: supply-only net metering / Smart Solar Billing for new customers; legacy grandfathered
Learn about ComEd solar

Local Solar Info

County
Will County
Solar Potential
4.3 hrs/day
Permitting
We handle all Will County permits and ComEd interconnection

Solar Near Joliet

Plainfield RomeovilleCrest HillLockportNew Lenox
Learn more about solar in Illinois

Joliet Solar FAQs

How much does solar cost in Joliet?
A typical residential solar system in Joliet costs $15,000-$28,000 before the 30% federal tax credit. After incentives, your net cost is $10,500-$19,600. A battery adds $8,000-$15,000. Final pricing depends on your home's energy usage, roof, and the ComEd rate structure.
Is Joliet good for solar production?
Yes. Joliet receives 4.3 hrs/day of peak sun, which provides solid annual production with proper system sizing. Will County homeowners see strong returns on their solar investment.
Do I need a battery with solar in Joliet?
A battery is optional in Joliet but provides backup power and maximizes self-consumption under Illinois's 2025 net metering changes. ComEd/Ameren storage rebates are available.
How long does solar installation take in Joliet?
The installation itself takes 1-3 days for most Joliet homes. The full process from contract to activation is typically 4-8 weeks, including Will County permitting and ComEd interconnection. We handle all paperwork.
Can I go solar with an HOA in Joliet?
Yes. Illinois law prohibits HOAs from unreasonably restricting solar installations. We handle HOA submissions for Joliet homeowners.
What neighborhoods in Joliet do you serve?
We serve all Joliet neighborhoods including Downtown Joliet, West Joliet, East Joliet, Preston Heights, and surrounding areas. Our local installation teams are familiar with Will County building codes and ComEd interconnection requirements.

Get Your Free Joliet Solar Quote

Local Joliet solar experts serving Downtown Joliet, West Joliet, East Joliet and all of Will County. Free consultation and custom design.

Or call us at (800) 555-SOLAR