As of September 2026, the average storage system cost in Cook County, IL is $1,283/kWh. Given a storage system size of 13 kWh, an average storage installation in Cook County, IL ranges in cost from $14,181 to $19,185, with the average gross price for storage in Cook County, IL coming in at $16,683. After accounting for state and local storage incentives, the net price you'll pay for solar can fall by thousands of dollars.
Importantly, these costs are typical for shoppers comparing storage quotes on the EnergySage Marketplace. When you compare quotes for solar panels and batteries on EnergySage's competitive marketplace, you can expect to see prices up to 20% lower than working with a single company.
System size | System cost |
|---|---|
10 kWh | $12,833 |
13 kWh | $16,683 |
20 kWh | $25,667 |
26 kWh | $33,367 |
Learn more about local IL incentives, tax credits & rebates.
$21,143 - $61,067
There are several variables that impact the price you pay for a solar + storage system: the quality of the equipment you install, the type of inverters you choose, and the storage capacity and chemistry of your battery. This is an average price range for solar + storage installations in your area, and the specifics of your project will change the final price you pay.
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See what storage costs in Cook County, IL cities and towns
- Arlington Heights
- Bartlett
- Berwyn
- Brookfield
- Burbank
- Chicago
- Chicago Heights
- Country Club Hills
- Des Plaines
- Elk Grove Village
- Elmwood Park
- Evanston
- Evergreen Park
- Flossmoor
- Forest Park
- Franklin Park
- Glenview
- Harwood Heights
- Hazel Crest
- Hickory Hills
- Hoffman Estates
- Homewood
- La Grange
- La Grange Park
- Lansing
- Matteson
- Mount Prospect
- Niles
- Northbrook
- Oak Forest
- Oak Lawn
- Oak Park
- Orland Park
- Palatine
- Palos Heights
- Palos Hills
- Palos Park
- Park Forest
- Park Ridge
- River Forest
- Riverside
- Schaumburg
- Skokie
- South Holland
- Steger
- Streamwood
- Tinley Park
- Western Springs
- Wilmette
- Winnetka
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