Is Solar Worth It in Missouri in 2026?
Complete analysis of solar costs, incentives, net metering, and payback for Missouri homeowners — without the federal ITC.
Cost Per Watt
$2.70
installed
Electricity Rate
$0.150
per kWh
Payback (No ITC)
13.9 yr
current reality
Payback (With 30% ITC)
9.7 yr
hypothetical
25-Year ROI
80%
return on investment
Incentive Breakdown — Missouri
Available incentives for a typical 7kW residential solar system in Missouri
Federal ITC (25D)
ExpiredThe federal solar Investment Tax Credit expired on January 1, 2026. No federal credit available for new installations.
State Tax Credit
NoneMissouri does not offer a state tax credit for solar installations.
SREC Market
Not AvailableMissouri does not have a traditional SREC market.
Property Tax Exemption
Solar system value excluded from property tax assessment
Sales Tax Exemption
No statewide sales tax exemption for solar
Key Incentives: Property tax exemption for solar.
Solar Math — With vs Without Federal ITC
Cost breakdown for a typical 7kW residential system in Missouri
2026 Reality (No Federal ITC)
- System Size
- 7 kW
- Cost per Watt
- $2.70/W
- Gross Cost
- $18,900
- Federal ITC
- $0
- Net Cost
- $18,900
- Annual Savings
- $1,357/yr
- Payback Period
- 13.9 years
Hypothetical (With 30% ITC)
- System Size
- 7 kW
- Cost per Watt
- $2.70/W
- Gross Cost
- $18,900
- Federal ITC (30%)
- -$5,670
- Net Cost
- $13,230
- Annual Savings
- $1,357/yr
- Payback Period
- 9.7 years
Impact: Without the federal ITC, Missouri homeowners face a 4.2-year longer payback period — paying $5,670 more out of pocket.
Net Metering Policy — Missouri
How Missouri compensates your excess solar production
Full retail rate net metering — you earn the same rate you pay for electricity. Best case for solar savings.
Missouri requires net metering at full retail rate for systems up to 100 kW under PSC rules.
Cost Per Watt Benchmark — Missouri
Missouri Average
$2.70/W
National Average
$3.05/W
Typical 7kW System
$18,900
Missouri's average installed cost is below the national average of $3.05/W
Breakeven Timeline
Without the federal ITC, a typical 7kW system in Missouri breaks even in 13.9 years. With the former 30% ITC, payback would drop to 9.7 years.
Without Federal ITC
13.9
years to break even
With Former 30% ITC
9.7
years to break even
Production Details
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