Solar Panels in
Walla Walla County, WA

Updated 12/4/2021

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

As of December 2021, the average solar panel cost in Walla Walla County, WA is $2.55/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Walla Walla County, WA ranges in cost from $10,838 to $14,662, with the average gross price for solar in Walla Walla County, WA coming in at $12,750. 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 Walla Walla County, WA

System Size System Cost System Cost (after ITC)
3 kW $7,650 $5,661
4 kW $10,200 $7,548
5 kW $12,750 $9,435
6 kW $15,300 $11,322
7 kW $17,850 $13,209
8 kW $20,400 $15,096
9 kW $22,950 $16,983
10 kW $25,500 $18,870

2021 average solar panel cost graph in Walla Walla County, WA

for a 5kW system

Great Price
$10,838 or less
Market Average
$12,750
Above Market
$14,662 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

13.98 Years

20-Year Savings

$15,937

Cost per Watt

$2.55

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