Is solar worth it in Louisiana?

With an average payback period of 13.7 years and 25-year savings of $24,875, solar panels in Louisiana can be worthwhile depending on your situation.

How much do solar panels cost in Louisiana?

The average cost of a 6kW residential solar system in Louisiana is $13,600 before incentives and tax credits.

How much can I save with solar panels in Louisiana?

Homeowners in Louisiana save an average of $995 per year with solar panels, totaling approximately $24,875 over 25 years.

Solar Panel ROI in Louisiana

Last updated April 14, 2026 · Source: NREL PVWatts

Is solar worth it in LA? Here's what the data says.

1.8x ROI Score

13.7 yrs Payback Period

$995/yr Annual Savings

$24,875 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $995

Payback 13.7 yrs

25-yr savings $24,875

25-Year ROI Timeline

With a 13.7-year payback, your system spends 11.3 years in profit after breaking even.

Payback (13.7 yrs)

Profit (11.3 yrs)

Year 0 Year 6 Year 13 Year 19 Year 25

System Cost $13,600

25-Year Savings $24,875

Net Profit $11,275

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Solar Calculator for Louisiana

Adjust the values below to see your personalized solar ROI estimate.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

5.35 kWh/m²/day

Based on NREL data for Louisiana

ROI Score 1.8x

Annual Production 8,726 kWh

Annual Savings $995

Payback Period 13.7 years

25-Year Savings $24,875

System Cost $13,600

Louisiana vs National Average

Solar Irradiance 5.35 kWh/m²/day

+4% vs national avg

Payback Period 13.7 years Slower than avg

Electricity Rate $0.114 /kWh Below avg

How We Calculated This

Our solar ROI calculations use data from the National Renewable Energy Laboratory (NREL) PVWatts API, which models solar energy production based on location-specific solar irradiance, weather patterns, and panel tilt angles. We assume a standard 6kW residential system with south-facing panels at optimal tilt.

Electricity rates are sourced from the U.S. Energy Information Administration (EIA). Annual savings are calculated by multiplying estimated production by the local electricity rate. The ROI score represents total 25-year savings divided by system cost.

These estimates do not include the federal 30% ITC tax credit, state incentives, SRECs, or utility rebates, which can significantly reduce the effective payback period.

Solar ROI by Zip Code in Louisiana

Explore solar data for specific zip codes in Louisiana. Click any zip code for a full local breakdown.

70001 Metairie 2.0x 12.8yr 70115 New Orleans 2.0x 12.8yr 70119 New Orleans 2.0x 12.8yr 70122 New Orleans 2.0x 12.8yr 70501 Lafayette 1.9x 12.8yr 70801 Baton Rouge 1.9x 12.8yr View all zip codes →

Compare with Nearby States

Texas 2.3x

10.7 yr payback · $1,265/yr

Arkansas 1.8x

13.8 yr payback · $932/yr

Mississippi 2.0x

12.6 yr payback · $1,034/yr

Solar Outlook for Louisiana

Louisiana receives 5.35 kWh/m²/day — 7.9% above the national average. Lower electricity rates of $0.114/kWh extend the payback to 13.7 years, though the federal 30% ITC and state incentives can meaningfully improve the economics.

Solar Equipment Worth Considering

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