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Louisiana vs Missouri Solar Comparison

Louisiana gets more sun (4.8 hrs/day) while Missouri has the faster payback (10.8 years).Missouri offers higher 20-year savings at $28,000.

Louisiana

4.8 hrs

11yr payback

$27,800

20yr savings

Missouri

4.4 hrs

10.8yr payback

$28,000

20yr savings

Side-by-Side Comparison

MetricLouisianaMissouri
Peak Sun Hours4.8 hrs4.4 hrs
Cost per Watt$2.95$3.05
6kW System Cost$17,700$18,300
Federal Tax Credit30%30%
State Tax CreditNoneNone
State RebateNoneNone
Net MeteringFull Net MeteringFull Net Metering
Electricity Rate12.52¢/kWh13.78¢/kWh
Payback Period11 years10.8 years
20-Year Savings$27,800$28,000

Verdict

Missouri is the better state for solar ROI with $28,000 in 20-year savings and a 10.8-year payback period. Louisiana has more sun exposure at 4.8 hrs/day, making it ideal for maximum energy production. Both states qualify for the 30% federal solar tax credit.

Frequently Asked Questions

Is solar better in Louisiana or Missouri?

Louisiana gets more sun (4.8 peak hours/day vs 4.4). Missouri has a faster payback (10.8 years) and Missouri offers higher 20-year savings ($28,000).

How do solar costs compare between Louisiana and Missouri?

A 6kW system costs $17,700 in Louisiana vs $18,300 in Missouri before incentives. Both qualify for the 30% federal tax credit.

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Data verified March 2026 · Source: NREL, DSIRE, EIA