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Storage in
Napa County, CA

Updated 9/24/2023

How much do storage systems cost in Napa County, CA in 2023?

As of September 2023, the average storage system cost in Napa County, CA is $1170/kWh. Given a storage system size of 13 kWh, an average storage installation in Napa County, CA ranges in cost from $12,933 to $17,497, with the average gross price for storage in Napa County, CA coming in at $15,215. 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 Napa County, CA

System Size System Cost System Cost (after ITC)
10 kWh $11,704 $8,193
13 kWh $15,215 $10,650
20 kWh $23,407 $16,385
26 kWh $30,430 $21,301
Note: you can't claim the federal tax credit without installing solar panels alongside a battery system. Learn more about local CA incentives, tax credits & rebates.

2023 average solar + storage cost in Napa County, CA

$21,184 - $62,030

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 Napa County, CA

Tesla Powerwall 2
LG Energy Solution Resu Prime…
SunPower SunVault
Enphase Energy IQ 10
Enphase Energy IQ Battery 5P

Top storage system installers in Napa County, CA

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