Solar Panel Cost in Louisiana (2026)
Installed solar in Louisiana runs about $2.55 per watt — roughly 1% below the national average of $2.58/W. With the federal residential tax credit (25D) gone as of 2026, payback here rests on a $0.13/kWh power price and 4.8 daily peak sun hours.
Worked example: a typical $150/month home in Louisiana
A $150/month electric bill in Louisiana works out to about 13,846 kWh a year. Sizing a cash-purchase system to cover 100% of that:
System size
10.0 kW
Panels
25
Annual offset
101%
Gross cost
$28,000
Federal credit (25D)
$0
Expired 12/31/2025 — $0
State incentive
$0
Net cost
$28,000
Payback
12.8 yr
25-year savings
$38,279
Last updated June 30, 2026
Louisiana solar numbers
- Installed price
- $2.55 / watt
- Electricity price
- $0.13 / kWh
- Peak sun hours
- 4.8 hrs/day
- State incentive
- 0%
- Net-metering value
- 100% of retail
Local context: Humidity and heat are hard on output, but net metering remains for many Louisiana utilities.
Estimate your own Louisiana system
Adjust the bill, ownership, and battery options below — it's pre-set to Louisiana's pricing and sun hours.
Estimated system cost
$33,234–$43,166
14.0 kW35 panels
Low $33kMost likely ~$38,200High $43k
Federal tax credit
— expired Dec 2025, we won't pretend otherwise
$0
State & utility incentives
$0
Est. annual savings
$2,551
Payback period
~12.6 yr
Net cost
$33k–$43k
25-year net savings
+$54,591
iA ballpark estimate for planning — not a final quote.
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