Solar Panels in
Thurston County, WA

Updated 12/4/2021

How much do solar panels cost in Thurston County, WA in 2021?

As of December 2021, the average solar panel cost in Thurston County, WA is $2.49/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Thurston County, WA ranges in cost from $10,582 to $14,318, with the average gross price for solar in Thurston County, WA coming in at $12,450. After accounting for the 26% Federal Investment Tax Credit (ITC) and other state and local solar incentives, the net price you'll pay for solar can fall by thousands of dollars.

Importantly, these costs are typical for solar shoppers comparing solar quotes on the EnergySage Marketplace. When you compare quotes for solar panels on EnergySage's competitive solar marketplace, you can expect to see prices up to 20% lower than working with a single solar company.

Average solar panel cost by system size in Thurston County, WA

System Size System Cost System Cost (after ITC)
3 kW $7,470 $5,528
4 kW $9,960 $7,370
5 kW $12,450 $9,213
6 kW $14,940 $11,056
7 kW $17,430 $12,898
8 kW $19,920 $14,741
9 kW $22,410 $16,583
10 kW $24,900 $18,426

2021 average solar panel cost graph in Thurston County, WA

for a 5kW system

Great Price
$10,582 or less
Market Average
Above Market
$14,318 or more

Solar installation costs do not include the 26% Federal Investment Tax Credit or local incentives. Learn more about local WA incentives, tax credits & rebates.

Payback Period

14.58 Years

20-Year Savings


Cost per Watt


solar quote comparison on a computer

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