Solar Panels in
Spokane County, WA

Updated 12/4/2021

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

As of December 2021, the average solar panel cost in Spokane County, WA is $2.58/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Spokane County, WA ranges in cost from $10,965 to $14,835, with the average gross price for solar in Spokane County, WA coming in at $12,900. 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 $7,740 $5,728
4 kW $10,320 $7,637
5 kW $12,900 $9,546
6 kW $15,480 $11,455
7 kW $18,060 $13,364
8 kW $20,640 $15,274
9 kW $23,220 $17,183
10 kW $25,800 $19,092

2021 average solar panel cost graph in Spokane County, WA

for a 5kW system

Great Price
$10,965 or less
Market Average
Above Market
$14,835 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

15.03 Years

20-Year Savings


Cost per Watt


solar quote comparison on a computer

Learn how EnergySage helps you go solar

We are your solar allies. We provide a transparent and easy shopping process, and promise you’ll have all the information you need to go solar with confidence.

Learn more about EnergySage

Top solar installers in Spokane County, WA

If you are looking for solar companies in WA, here are some popular suggestions:

See more solar companies in Spokane County, WA arrow icon
green calculator

Want a custom solar estimate for your home?