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Storage cost in
Maine

Updated 12/19/2024

How much do storage systems cost in Maine in 2025?

As of January 2025, the average storage system cost in Maine is $1600/kWh. Given a storage system size of 13 kWh, an average storage installation in Maine ranges in cost from $17,676 to $23,914, with the average gross price for storage in Maine coming in at $20,795. 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 Maine

System Size System Cost System Cost (after ITC)
10 kWh $15,996 $11,197
13 kWh $20,795 $14,556
20 kWh $31,992 $22,394
26 kWh $41,590 $29,113
Note: you can't claim the federal tax credit without installing solar panels alongside a battery system.

2025 average solar + storage cost in Maine

$25,476 - $73,190

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 4 quoted battery models in Maine

Enphase Energy IQ Battery 5P
Enphase Energy IQ 10
Univix Power Solutions The Ba…
FranklinWH Energy Storage Inc…

Top storage system installers in Maine

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