As of August 2026, the average storage system cost in Wisconsin is $1,300/kWh. Given a storage system size of 13 kWh, an average storage installation in Wisconsin ranges in cost from $14,365 to $19,435, with the average gross price for storage in Wisconsin coming in at $16,900. 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 | $13,000 |
13 kWh | $16,900 |
20 kWh | $26,000 |
26 kWh | $33,800 |
Learn more about local WI incentives, tax credits & rebates.
$22,150 - $64,300
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 Wisconsin counties
- Adams County
- Ashland County
- Barron County
- Brown County
- Calumet County
- Chippewa County
- Clark County
- Columbia County
- Dane County
- Dodge County
- Door County
- Douglas County
- Dunn County
- Eau Claire County
- Fond du Lac County
- Grant County
- Green County
- Green Lake County
- Iowa County
- Jefferson County
- Juneau County
- Kenosha County
- Kewaunee County
- La Crosse County
- Langlade County
- Lincoln County
- Manitowoc County
- Marathon County
- Marinette County
- Marquette County
- Milwaukee County
- Monroe County
- Oconto County
- Oneida County
- Outagamie County
- Ozaukee County
- Pierce County
- Polk County
- Portage County
- Price County
- Racine County
- Rock County
- Sauk County
- Shawano County
- Sheboygan County
- St. Croix County
- Trempealeau County
- Vernon County
- Walworth County
- Washburn County
- Washington County
- Waukesha County
- Waupaca County
- Waushara County
- Winnebago County
- Wood County
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