Solar Panels in
St. Louis County, MO

Updated 6/8/2019

How much do solar panels cost in St. Louis County, MO in 2019?

As of September 2019, the average solar panel cost in St. Louis County, MO is $3.04/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in St. Louis County, MO ranges in cost from $12,920 to $17,480, with the average gross price for solar in St. Louis County, MO coming in at $15,200. After accounting for the 30% 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.

2019 average solar panel cost graph in St. Louis County, MO

for a 5kW system

Great Price
$12,920 or less
Market Average
$15,200
Above Market
$17,480 or more

Solar installation costs do not include the 30% Federal Investment Tax Credit or local incentives. Learn more about local MO incentives, tax credits & rebates.

Payback Period

11.46 Years

20-Year Savings

$31,163

Cost per Watt

$3.04

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True Cost of Solar Guide™ for Missouri

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