Solar Panels in
Spokane County, WA

Updated 11/28/2020

How much do solar panels cost in Spokane County, WA in 2020?

As of December 2020, the average solar panel cost in Spokane County, WA is $2.72/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Spokane County, WA ranges in cost from $11,560 to $15,640, with the average gross price for solar in Spokane County, WA coming in at $13,600. 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 Spokane County, WA

System Size System Cost System Cost (after ITC)
3 kW $8,160 $6,038
4 kW $10,880 $8,051
5 kW $13,600 $10,064
6 kW $16,320 $12,077
7 kW $19,040 $14,090
8 kW $21,760 $16,102
9 kW $24,480 $18,115
10 kW $27,200 $20,128

2020 average solar panel cost graph in Spokane County, WA

for a 5kW system

Great Price
$11,560 or less
Market Average
$13,600
Above Market
$15,640 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

11.56 Years

20-Year Savings

$15,799

Cost per Watt

$2.72

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Top solar installers in Spokane County, WA

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True Cost of Solar Guide™ for Washington

Download EnergySage’s DIY worksheet to better understand what solar should cost in your state

Don’t get sold on the hype! Find out what solar should actually cost before you talk to your first sales rep. This PDF worksheet will walk you through the simple calculations you can make to determine what size solar PV system you need, and approximately how much it should cost.