Louisiana Solar Guide 2026

Louisiana offers solid solar potential with good sun hours and Entergy's service, though low electricity rates moderate returns.

Updated March 2026 · Sources: Entergy, DSIRE, EnergySage, NREL · Research by Dana Mercer
#28 solar state Good sun hours
Avg install cost $2.80/W Before incentives · Q1 2026 · EnergySage
Electricity rate 11¢/kWh Statewide avg · EIA Jan 2026
Peak sun hrs/day 4.9 hrs State avg · NREL data
Typical payback 10-12 yrs After federal ITC
Solar rank #28 Installed capacity · SEIA 2025

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Louisiana provides good solar conditions: With 4.9 daily peak sun hours and 11¢/kWh electricity rates, the Pelican State offers solid solar fundamentals. Entergy serves much of the state with net metering available for residential customers.

For New Orleans and Baton Rouge residents, solar systems typically pay for themselves in 10-12 years. Good sun exposure helps offset lower electricity rates common in the region.

Louisiana solar incentives (2026)

Incentive Amount Status
Federal ITC 30% of system cost Active
Entergy Net Metering Full retail rate Active
Property Tax Exemption Not available None
Sales Tax Exemption Not available None

Louisiana solar install costs (Q1 2026)

System size Gross cost After ITC Annual savings Payback
6 kW $16,800 $11,760 ~$1,080/yr ~10.9 years
8 kW $22,400 $15,680 ~$1,440/yr ~10.9 years

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