Solar panels in Lafayette, LA
What Lafayette homeowners actually pay for rooftop solar in 2026 - with the same Louisiana incentives, sun-hour math and net-metering rules that drive payback statewide.
Avg. system
11 kW
Cost / watt
$2.85
Sun hours / day
4.9
Grid rate
12.6¢
A typical 11 kW system installed in Lafayette runs about $31,350 gross. The 30% federal Residential Clean Energy Credit takes roughly $9,405 off - netting near $21,945. Expected year-one savings: $1,983, with payback near 11.1 years.
Lafayette follows Louisiana's statewide avoided cost export policy. For the full picture - every Louisiana incentive, tax exemption and metro-level nuance - see the Louisiana solar guide.
Incentives Lafayette homeowners can stack
- 30% federal tax credit - see the federal credit guide.
- Property-tax exemption on the added home value.
Get vetted Lafayette installer quotes.
Three bids, one form, no sales calls - from installers we've licensed, insured and reputation-checked.
Other Louisiana metros we cover
Related guides
The 30% Federal Solar Tax Credit, Explained
How the Residential Clean Energy Credit works, what it covers, who qualifies, and how to actually claim it on your return.
Net Metering vs. Net Billing vs. Avoided Cost
The single biggest driver of solar payback after the federal credit - how your utility credits the power you export back to the grid.
How Much Do Solar Panels Actually Cost?
National and state cost benchmarks in $/watt, what drives the range, and how to spot inflated bids.
Do You Need a Home Battery?
When a battery pays for itself, when it doesn't, and how the 30% federal credit changes the math on storage.