Solar Panels in Missouri2026 Cost Guide & Incentives
Average cost, state incentives, payback estimates, and how to find certified installers in Missouri.
$16,000–$27,000
Avg system cost
$11,200–$18,900
After 30% ITC
4.8 hrs/day
Peak sun hours
$0.123/kWh
Avg rate
Is Solar Worth It in Missouri?
Based on a home with a $150/month electric bill in Missouri
Est. system size
7.7 kW
Gross cost
$22,285
Federal tax credit
−$6,686
Net cost
$15,600
Year-1 savings
$1,800
20-year savings
$45,911
Estimated payback: 8.7 years — then 11 years of free electricity.
* Estimates assume $2.90/W installed, 92% solar offset, and 3% annual electricity rate inflation. Get an installer quote to confirm your actual savings.
Missouri Solar Incentives & Policies
Federal
Investment Tax Credit (ITC)
30%
of total system cost — off your federal tax bill
Available through 2032
Missouri State
State Incentive
Net metering available; some utility rebates
Additional Missouri Solar Policies
Net Metering: Available — excess energy credited to your bill
Property Tax Exemption: No exemption — solar adds to assessed value
Sales Tax Exemption: Sales tax applies to solar equipment purchase
Solar Installation Cost in Missouri by System Size
| System size | Gross cost | After 30% ITC | Year-1 savings |
|---|---|---|---|
| 5 kW | $12,272,800 | $8,590,960 | $991,282/yr |
| 7 kW | $17,181,920 | $12,027,344 | $1,387,794/yr |
| 9 kW | $22,091,040 | $15,463,728 | $1,784,307/yr |
| 12 kW | $29,454,720 | $20,618,304 | $2,379,076/yr |
* Costs based on $2.90/W national average. Missouri installer pricing may vary ±15%.
Get Your Exact Missouri Solar Estimate
Enter your monthly bill and address for a personalized savings report using actual Missouri electricity rates.
Get Free Solar Quotes in Missouri
Compare quotes from certified Missouri solar installers — free, no obligation.
Frequently Asked Questions — Solar in Missouri
How much do solar panels cost in Missouri?
Solar installation in Missouri typically costs $16,000–$27,000 before incentives. After the 30% federal tax credit, most homeowners pay $11,200–$18,900 net.
Is solar worth it in Missouri?
Yes — Missouri homeowners benefit from 4.8 average peak sun hours per day. The 30% federal ITC combined with net metering available; some utility rebates make the financial case strong for most homeowners.
What state incentives are available for solar in Missouri?
Net metering available; some utility rebates. On top of state incentives, all Missouri homeowners qualify for the federal 30% Investment Tax Credit (ITC).
How long is the payback period for solar in Missouri?
Based on Missouri's average electricity rate of $0.123/kWh and 4.8 peak sun hours, most homeowners see payback in 8.7–12 years. Systems then produce free electricity for 15–20+ more years.
Does Missouri have net metering?
Yes — Missouri has a net metering policy that credits your utility bill for excess electricity your system sends back to the grid. This significantly improves your ROI.