Louisiana / Mandeville
Is solar worth it in Mandeville?
Cleco Power LLC averages 12.3¢/kWh. With 5.2 peak sun hours a day, a typical 6.8 kW system makes ~10,350 kWh a year and saves about $1,277 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 Mandeville compares
That is faster than the Louisiana average of 13.0 years, mainly because Mandeville's rate is above the state average of 11.8¢/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 |
|---|---|---|---|
| Covington | 11.1¢ | 13.5 yrs | $23,009 |
| Slidell | 12.3¢ | 12.3 yrs | $27,841 |
| Hammond | 11.1¢ | 13.5 yrs | $23,009 |
| New Orleans | 11.1¢ | 13.5 yrs | $23,009 |
| Kenner | 11.1¢ | 13.5 yrs | $23,009 |
| Bogalusa | 11.1¢ | 13.5 yrs | $23,009 |
| Gretna | 11.1¢ | 13.5 yrs | $23,009 |
| Gonzales | 11.9¢ | 12.8 yrs | $25,968 |
Questions
How long does solar take to pay off in Mandeville, LA?
About 12.3 years for a typical 6.8 kW system at 12.3 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 Mandeville?
Often, if you plan to stay long-term. Our estimate is $1,277 saved in year one and $27,841 net over 25 years after paying for the system.
How much does a solar system cost in Mandeville?
A 6.8 kW system sized for an average home (863 kWh/month) is about $18,700 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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