Solar Panel Cost in Sioux Falls, SD
Estimated costs and savings for ZIP code 57103 — updated for 2026
Urgent tax credit deadlines
- Section 48E phase-out completes December 31, 2027 — the last date to begin construction; grandfathered 2026 starts have until Dec 31, 2030 to be placed in service (421 days left).
Gross Cost
$18,200
7kW system
Annual Savings
$1,401
$117/month
Payback Period
13 yrs
Break-even
Peak Sun Hours
4.1
hrs/day avg
Solar System Cost Breakdown — Sioux Falls, SD
Estimated costs and savings for different residential solar system sizes in ZIP 57103. Costs based on SD average of $2.60/W and utility rate of $0.16/kWh.
| System | Cost | Savings/yr | Payback |
|---|---|---|---|
| 4 kW | $11,024 | $800 | 13.8 yrs |
| 5 kW | $13,416 | $1,000 | 13.4 yrs |
| 6 kW | $15,808 | $1,201 | 13.2 yrs |
| 7 kW(typical) | $18,200 | $1,401 | 13 yrs |
| 8 kW | $20,592 | $1,601 | 12.9 yrs |
| 10 kW | $25,376 | $2,001 | 12.7 yrs |
Solar Production in Sioux Falls, South Dakota
Average Peak Sun Hours
4.1 hours/day
Moderate solar resource — still cost-effective
Est. Annual Production (7kW)
8,904 kWh
Based on 4.1 PSH × 7kW × 365 days × 85% efficiency
Average Utility Rate
$0.16/kWh
Above-average rates — good solar savings potential
Cost Per Watt in SD
$2.60/W
Below national average — competitive market
Solar Panel FAQ — Sioux Falls, SD
How much do solar panels cost in Sioux Falls, SD?
A typical 7kW solar system in Sioux Falls, SD (ZIP 57103) costs approximately $18,200 before any incentives. This works out to about $2.60 per watt installed. Smaller systems start around $10,400, while larger 10kW systems can cost up to $26,000.
How long is the solar payback period in Sioux Falls?
The average solar payback period in Sioux Falls, SD is approximately 13 years for a 7kW system. With estimated annual savings of $1,401, the system pays for itself and then generates free electricity for the remaining 15-20+ years of its lifespan.
How much can I save with solar panels in 57103?
Homeowners in Sioux Falls, SD (ZIP 57103) can save approximately $117 per month or $1,401 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $35,025, depending on utility rate increases.
How many peak sun hours does Sioux Falls get?
Sioux Falls, SD receives an average of 4.1 peak sun hours per day. This is near the national average, making solar a solid investment in this area.
What size solar system do I need for my home in Sioux Falls?
The average home in Sioux Falls, SD needs a 7kW solar system to offset their electricity usage. The exact size depends on your monthly electric bill, roof orientation, and available space. A 7kW system would produce approximately 8,904 kWh annually in ZIP 57103.
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