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#33 Solar ROI State

Solar Panel ROI in Louisiana (LA)

Louisiana averages 1,380 kWh per installed kW per year. At $11.8¢/kWh average utility rates, a 7 kW system produces a 25-year NPV of $4,402.

$13,328
System Cost (After Credits)
$4,402
25-Year NPV
11 years
Payback Period
$0.143/kWh
Solar LCOE

Solar Cost Breakdown in Louisiana

7 kW system (2.72/W)$19,040
Federal ITC (30%)-$5,712
Net Cost$13,328

Solar Production in Louisiana

Louisiana receives an average of 1,380 kWh of solar energy per installed kW per year, based on NREL PVWatts data for a south-facing system at 20° tilt. A 7 kW system produces approximately 9,660 kWh in year one, declining by 0.5% annually due to panel degradation.

At Louisiana's average residential rate of $11.8¢/kWh with 4% annual escalation, first-year savings are $1,140. The solar LCOE of $0.143/kWh is -21% below the current utility rate and stays fixed while utility rates continue to climb.

Net Metering in Louisiana

1:1 net metering for systems up to 25 kW through major IOUs

Solar FAQ for Louisiana

How much does solar cost in Louisiana?
A typical 7 kW residential solar system in Louisiana costs $19,040 before incentives. After the 30% federal ITC, the net cost drops to $13,328.
What is the solar payback period in Louisiana?
Based on the average LA utility rate of $11.8¢/kWh and local solar irradiance of 1,380 kWh/kW/year, a 7 kW system typically pays for itself in 11 years. The 25-year NPV is $4,402.
Does Louisiana have net metering?
1:1 net metering for systems up to 25 kW through major IOUs
What is the LCOE of solar in Louisiana?
The levelized cost of solar energy in Louisiana is approximately $0.143/kWh, compared to the current average utility rate of $11.8¢/kWh. Solar electricity costs -21% less than grid electricity at today's rates, and the gap widens as utility rates rise.
How much electricity does a solar panel produce in Louisiana?
Louisiana receives approximately 1,380 kWh of solar energy per installed kW per year. A 7 kW system produces about 9,660 kWh in its first year, enough to offset 92% of the average U.S. household's electricity consumption.

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Solar ROI in Similar States

Minnesota

NPV: $4,341 · Payback: 13yr
Rate: $14.2¢/kWh · #25 ranked

Michigan

NPV: $8,329 · Payback: 10yr
Rate: $18.2¢/kWh · #26 ranked

Vermont

NPV: $14,415 · Payback: 8yr
Rate: $21.2¢/kWh · #27 ranked

Georgia

NPV: $7,487 · Payback: 10yr
Rate: $13.2¢/kWh · #28 ranked

Ohio

NPV: $3,882 · Payback: 13yr
Rate: $14.2¢/kWh · #29 ranked

Kansas

NPV: $7,883 · Payback: 10yr
Rate: $13.8¢/kWh · #30 ranked

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