As of August 2026, the average storage system cost in Johnston City, IL is $848/kWh. Given a storage system size of 13 kWh, an average storage installation in Johnston City, IL ranges in cost from $9,370 to $12,676, with the average gross price for storage in Johnston City, IL coming in at $11,023. 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 | $8,480 |
13 kWh | $11,023 |
20 kWh | $16,959 |
26 kWh | $22,047 |
Learn more about local IL incentives, tax credits & rebates.
$17,570 - $52,347
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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Tesla PowerWall 3
EG4 EG4 WallMount Indoor 280Ah Lithium Battery
FranklinWH Energy Storage Inc. aPower2
Enphase Energy " IQ Battery 10C"
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