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Storage cost in
South Carolina

Updated 12/19/2024

How much do storage systems cost in South Carolina in 2025?

As of January 2025, the average storage system cost in South Carolina is $1450/kWh. Given a storage system size of 13 kWh, an average storage installation in South Carolina ranges in cost from $16,022 to $21,678, with the average gross price for storage in South Carolina coming in at $18,850. After accounting for the 30% federal investment tax credit (ITC) and other 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.

Average storage system cost by system size in South Carolina

System Size System Cost System Cost (after ITC)
10 kWh $14,500 $10,150
13 kWh $18,850 $13,195
20 kWh $29,000 $20,300
26 kWh $37,700 $26,390
Note: you can't claim the federal tax credit without installing solar panels alongside a battery system.

2025 average solar + storage cost in South Carolina

$22,210 - $63,400

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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Top 5 quoted battery models in South Carolina

Enphase Energy IQ Battery 5P
Tesla Powerwall 2
HomeGrid Energy Stack'd Serie…
Canadian Solar Inc. EP Cube 1…
Canadian Solar Inc. EP Cube 1…

Top storage system installers in South Carolina

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