Fair value for solar

Solar panel cost in Sioux Falls, SD (2026)

A typical Sioux Falls home needs about a 9.8 kW system (~24 panels), costing roughly $28,910 upfront. The 30% federal credit ended for purchases on Dec 31, 2025 (a lease/PPA can still pass it through). At 4.36 peak sun hours and South Dakota's 12.6¢/kWh rate, it pays back in about 24.4 years and saves an estimated $11,305 over 25 years.

System size
9.8 kW
Net cost
$28,910
Payback
24.4 yrs
25-yr savings
$11,305

Estimate your savings in Sioux Falls

Preset to Sioux Falls's local sunlight. Adjust your monthly bill for a personalized estimate.

$131
Recommended system
9.8 kW
Est. net cost (cash)
$28,910
Payback period
24.4 yrs
Est. monthly savings
$99
25-year net savings
$11,305
Bill offset
100%
Fair value in Sioux FallsBased on a 9.8 kW system at $3/W, 4.36 peak sun hours, and a 12.6¢/kWh rate.

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Annual electricity use12,476 kWh
Annual solar production12,477 kWh
Gross system cost$28,910
Federal tax credit (purchase)Ended Dec 2025
State / local incentives—
30% via lease/PPA instead~$8,673 value
CO₂ avoided per year4.4 tons (~73 trees)

Estimates only — not a quote or financial advice. See our methodology.

What makes Sioux Falls different

Sioux Falls (population ~171,544) gets 4.36 peak sun hours per day — that's 5% less sunny than the South Dakota average of 4.6. Slightly less local sunlight means panels produce a touch less than the state average, so sizing and orientation matter. Electricity rates, net metering, and incentives are set at the South Dakota level: residents pay about 12.6¢/kWh, and no statewide net metering mandate.

City peak sun hours4.36 hrs/day
Recommended system size9.8 kW (~24 panels)
Installed price per watt$3/W
Gross system cost$28,910
Federal tax credit (purchase)Ended Dec 31, 2025
State / local incentives—
Net cash cost$28,910
30% credit via lease/PPA~$8,673 value
Annual energy produced12,477 kWh
Estimated year-1 savings$1,183
Payback period24.4 years
25-year net savings$11,305
CO₂ avoided per year4.4 tons (~73 trees)

Compare with the South Dakota state average (9.3 kW, $27,435 net, 23.2-yr payback). Modeled estimates, June 2026 — not a quote. See methodology.

Compare real solar quotes in Sioux Falls, SD

See actual prices from vetted local installers — including lease and PPA options that still capture the 30% credit in 2026. Free, no obligation.

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Solar in Sioux Falls: FAQ

How much do solar panels cost in Sioux Falls?
A typical 9.8 kW home system in Sioux Falls costs about $28,910 before incentives. With no federal credit on a 2026 purchase, the net cash cost is roughly $28,910. The 30% federal tax credit ended for purchases on Dec 31, 2025, though a lease or PPA can still pass through a 30% credit (~$8,673).
Is solar worth it in Sioux Falls?
With 4.36 peak sun hours a day and South Dakota's 12.6¢/kWh electricity rate, a system in Sioux Falls pays back in about 24.4 years and returns an estimated $11,305 over 25 years — a fair-value result.
How many solar panels do homes in Sioux Falls need?
To offset typical usage, a Sioux Falls home needs roughly a 9.8 kW system — about 24 modern 410-watt panels. Your exact count depends on roof space, shading, and your actual electricity use.
What rebates and tax credits apply in Sioux Falls?
The 30% federal Residential Clean Energy Credit ended for purchases on Dec 31, 2025. A lease or PPA can still capture a 30% credit (~$8,673 on this system) passed through by the provider. Statewide, No statewide net metering mandate.