South Dakota / Pierre
Is solar worth it in Pierre?
City of Pierre - (SD) averages 10.7¢/kWh. With 4.5 peak sun hours a day, a typical 7.8 kW system makes ~10,351 kWh a year and saves about $1,102 in year one.
No federal tax credit is included. The 30% homeowner credit (IRS §25D) ended for systems installed after Dec 31, 2025. What changed in 2026 →
How Pierre compares
That is slower than the South Dakota average of 13.3 years, mainly because Pierre's rate is below the state average of 12.9¢/kWh. Your own payback depends on your bill: enter your ZIP and monthly bill above for your number.
| Nearby city | Rate | Payback | 25-yr net |
|---|---|---|---|
| Huron | 13.6¢ | 13.1 yrs | $29,220 |
| Aberdeen | 14.6¢ | 12.1 yrs | $33,616 |
| Mitchell | 13.6¢ | 12.6 yrs | $30,381 |
| Box Elder | 14.4¢ | 11.6 yrs | $33,855 |
| Rapid | 14.4¢ | 11.6 yrs | $33,855 |
| Watertown | 9.3¢ | 17.8 yrs | $12,835 |
| Spearfish | 14.4¢ | 12.0 yrs | $33,377 |
| Brookings | 12.9¢ | 13.7 yrs | $26,577 |
Questions
How long does solar take to pay off in Pierre, SD?
About 15.6 years for a typical 7.8 kW system at 10.7 cents/kWh, assuming $2.75/W installed, full net metering and 3% yearly rate increases, with no federal tax credit.
Is solar worth it in Pierre?
Only in some cases; payback is long. Our estimate is $1,102 saved in year one and $18,727 net over 25 years after paying for the system.
How much does a solar system cost in Pierre?
A 7.8 kW system sized for an average home (863 kWh/month) is about $21,450 before any local rebates, at $2.75 per watt. Real quotes vary by roof and installer.
Is there a federal solar tax credit in 2026?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (IRS section 25D) does not apply to installations completed after December 31, 2025. State rebates, SRECs and utility incentives may still apply.
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