Solar Panel
Costs in Louisiana.

Louisiana Solar Market Analysis

Louisiana homeowners benefit from favorable economics when installing solar systems. With an average installed cost of $2.7 per watt in 2026, a typical 6-kilowatt residential system costs approximately $16,200 before incentives. The state's utility rate of $0.11 per kilowatt-hour provides a solid foundation for energy savings, and Louisiana's average of 5.1 peak sun hours daily supports consistent electricity generation. After applying the federal 30% Investment Tax Credit, most Louisiana homeowners achieve payback within 10–13 years, with substantial energy cost reductions extending across the 25+ year lifespan of modern solar panels.

Louisiana's state-level incentives further strengthen solar economics. Net metering allows homeowners to receive credits for excess electricity fed back to the grid, effectively using the grid as a virtual battery. Entergy Louisiana, the state's major utility, offers solar rebates that reduce upfront costs directly. Additionally, Louisiana's Solar Panel Property Tax Exemption prevents assessed property value increases from solar installations from raising annual property taxes. Together, these programs—net metering, the Entergy rebate, and the property tax exemption—meaningfully lower the effective cost of going solar while protecting long-term home values.