How much do solar panels cost in Missouri?

In Missouri, solar panel installation averages about $2.54 per watt. For a typical $150 monthly electric bill, a 9.1 kW system (23 panels) costs approximately $23,368 before incentives, or $16,358 after the 30% federal tax credit.

Is solar worth it in Missouri?

Yes — with 5.03 peak sun hours per day and 14¢/kWh electricity rates, solar in Missouri typically pays for itself in 9 years. The rating is Strong.

Solar Panel Cost & Savings in Missouri (2026)

Quick Missouri Solar Facts

5.03

Peak Sun Hours/Day

14¢

Electricity Rate

$2.54

Install Cost/Watt

9 yrs

Avg Payback

In Missouri, a typical 9.1 kW system (23 panels) costs approximately $16,358 after the 30% federal tax credit. With 5.03 peak sun hours per day and 14¢/kWh electricity rates, annual savings average $1,822 with a payback period of 9 years. Rating: Strong. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in Missouri?

For a typical home with a $150 monthly electric bill in Missouri, you need about 23 panels (9.2 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in Missouri?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for Missouri-specific rebates, tax credits, and net metering policies.

Is Missouri a good state for solar?

Missouri has 5.03 peak sun hours per day (U.S. average: 4.98). With electricity at 14¢/kWh (U.S. average: 18.83¢/kWh), solar in Missouri typically pays for itself in 9 years. Overall rating: Strong.