How much do solar panels cost in South Dakota?

In South Dakota, solar panel installation averages about $2.7 per watt. For a typical $150 monthly electric bill, a 9.1 kW system (23 panels) costs approximately $24,840 before incentives, or $17,388 after the 30% federal tax credit.

Is solar worth it in South Dakota?

Yes — with 4.86 peak sun hours per day and 14.5¢/kWh electricity rates, solar in South Dakota typically pays for itself in 9.5 years. The rating is Moderate.

Solar Panel Cost & Savings in South Dakota (2026)

Quick South Dakota Solar Facts

4.86

Peak Sun Hours/Day

14.5¢

Electricity Rate

$2.7

Install Cost/Watt

9.5 yrs

Avg Payback

In South Dakota, a typical 9.1 kW system (23 panels) costs approximately $17,388 after the 30% federal tax credit. With 4.86 peak sun hours per day and 14.5¢/kWh electricity rates, annual savings average $1,825 with a payback period of 9.5 years. Rating: Moderate. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in South Dakota?

For a typical home with a $150 monthly electric bill in South Dakota, you need about 23 panels (9.2 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in South Dakota?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for South Dakota-specific rebates, tax credits, and net metering policies.

Is South Dakota a good state for solar?

South Dakota has 4.86 peak sun hours per day (U.S. average: 4.98). With electricity at 14.5¢/kWh (U.S. average: 18.83¢/kWh), solar in South Dakota typically pays for itself in 9.5 years. Overall rating: Moderate.