Is Solar Worth It in South Dakota in 2026?
Complete analysis of solar costs, incentives, net metering, and payback for South Dakota homeowners — without the federal ITC.
Cost Per Watt
$2.80
installed
Electricity Rate
$0.180
per kWh
Payback (No ITC)
13.5 yr
current reality
Payback (With 30% ITC)
9.4 yr
hypothetical
25-Year ROI
85%
return on investment
Incentive Breakdown — South Dakota
Available incentives for a typical 7kW residential solar system in South Dakota
Federal ITC (25D)
ExpiredThe federal solar Investment Tax Credit expired on January 1, 2026. No federal credit available for new installations.
State Tax Credit
NoneSouth Dakota does not offer a state tax credit for solar installations.
SREC Market
Not AvailableSouth Dakota does not have a traditional SREC market.
Property Tax Exemption
No statewide property tax exemption for solar
Sales Tax Exemption
No statewide sales tax exemption for solar
Key Incentives: No major state-level incentives currently available.
Solar Math — With vs Without Federal ITC
Cost breakdown for a typical 7kW residential system in South Dakota
2026 Reality (No Federal ITC)
- System Size
- 7 kW
- Cost per Watt
- $2.80/W
- Gross Cost
- $19,600
- Federal ITC
- $0
- Net Cost
- $19,600
- Annual Savings
- $1,452/yr
- Payback Period
- 13.5 years
Hypothetical (With 30% ITC)
- System Size
- 7 kW
- Cost per Watt
- $2.80/W
- Gross Cost
- $19,600
- Federal ITC (30%)
- -$5,880
- Net Cost
- $13,720
- Annual Savings
- $1,452/yr
- Payback Period
- 9.4 years
Impact: Without the federal ITC, South Dakota homeowners face a 4.1-year longer payback period — paying $5,880 more out of pocket.
Net Metering Policy — South Dakota
How South Dakota compensates your excess solar production
Reduced export credits or net billing — you earn less than retail for excess solar. Moderate impact on payback.
South Dakota mandates net metering at the utility's avoided cost, below full retail rate.
Cost Per Watt Benchmark — South Dakota
South Dakota Average
$2.80/W
National Average
$3.05/W
Typical 7kW System
$19,600
South Dakota's average installed cost is below the national average of $3.05/W
Breakeven Timeline
Without the federal ITC, a typical 7kW system in South Dakota breaks even in 13.5 years. With the former 30% ITC, payback would drop to 9.4 years.
Without Federal ITC
13.5
years to break even
With Former 30% ITC
9.4
years to break even
Production Details
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