Mississippi / Petal
Is solar worth it in Petal?
Mississippi Power Co averages 14.5¢/kWh. With 5.1 peak sun hours a day, a typical 6.9 kW system makes ~10,281 kWh a year and saves about $1,488 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 Petal compares
That is faster than the Mississippi average of 11.8 years, mainly because Petal's rate is above the state average of 13.4¢/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 |
|---|---|---|---|
| Hattiesburg | 14.5¢ | 11.0 yrs | $35,551 |
| Laurel | 14.5¢ | 11.0 yrs | $35,277 |
| Picayune | 14.5¢ | 10.8 yrs | $35,918 |
| Gulfport | 14.5¢ | 10.6 yrs | $36,185 |
| D'Iberville | 14.5¢ | 10.6 yrs | $36,185 |
| Biloxi | 14.5¢ | 10.6 yrs | $36,185 |
| Long Beach | 14.5¢ | 10.6 yrs | $36,185 |
| Ocean Springs | 14.5¢ | 10.6 yrs | $36,185 |
Questions
How long does solar take to pay off in Petal, MS?
About 11.0 years for a typical 6.9 kW system at 14.5 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 Petal?
Often, if you plan to stay long-term. Our estimate is $1,488 saved in year one and $35,277 net over 25 years after paying for the system.
How much does a solar system cost in Petal?
A 6.9 kW system sized for an average home (863 kWh/month) is about $18,975 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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