SunSavvy

Solar Panel Cost in South Dakota (2026)

In South Dakota, residential electricity averages about 12.5¢/kWh with roughly 4.7 peak sun hours a day. Here's what solar looks like for a typical South Dakota home using ~10,800 kWh a year.

System size
7.3 kW
~19 panels
Est. gross cost
$21,961
before incentives
Federal tax credit
- $6,588
30% ITC (verify)
Net cost
$15,373
after credit
Year-1 savings
$1,350
Payback
11.4 yrs

See how much you could save with a real quote

Get free solar quotes

Compare local installers — no obligation. Affiliate link.

Estimate your own South Dakota numbers

Enter your real electric bill — the calculator is preset to South Dakota.

Assumes $3.00/W installed and the 30% federal tax credit. Estimates only.

System size
9.8 kW
~25 panels
Est. gross cost
$29,282
before incentives
Federal tax credit
- $8,784
30% ITC
Net cost
$20,497
after credit
Year-1 savings
$1,800
Payback
11.4 yrs
25-year net savings
$40,868
after system cost, with rate escalation
Get free solar quotes

Incentives in South Dakota

The biggest incentive is usually the federal solar tax credit — see ourtax credit guide and confirm the current percentage, since the rules have changed recently. South Dakota may also offer state or utility incentives, rebates or performance payments; look up current programs in theDSIRE database.

What moves the number in South Dakota

  • Your utility's rate and net metering — see how net metering works.
  • Roof orientation, shading and sun hours (4.7/day here on average).
  • Installer pricing — always compare several quotes.

Figures are estimates for education, not a quote. Electricity rates and sun hours are approximate state averages. Confirm with local installers.

Get free solar quotes

Compare local installers — no obligation.

Get free solar quotes