Home Batteries in Lafayette: What to Know
Lafayette averages about 11 hours of grid outages a year, which is the main reason homeowners here install storage. A standard 13.5 kWh battery runs your essentials (fridge, lights, internet) for roughly 15 hours and installs for around $13,500.
On bills, a battery in Lafayette saves about $204 a year by storing cheap power and using it at peak times (a $0.05/kWh local peak-to-off-peak gap), or roughly -$9,714 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so Louisiana state and utility programs are now the main incentives. The local utility is Entergy Louisiana. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Lafayette
15-Year Bill Savings Projection
Time-of-use arbitrage only — the backup/resilience value is on top of this.
Available Rebates
Common Questions
How much does a home battery cost in Lafayette?
A standard 13.5 kWh home battery in Lafayette, Louisiana costs about $13,500 installed. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Lafayette?
A 13.5 kWh battery runs a Lafayette home's essentials for about 15 hours. Lafayette averages roughly 11 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Lafayette?
On time-of-use bills, a 13.5 kWh battery saves about $204 per year in Lafayette — around -$9,714 over 15 years. Most Lafayette homeowners buy a battery primarily for backup power; the bill savings are a bonus.
Planning other home-energy upgrades?
Solar, batteries, heat pumps and EV chargers all work together. Run the numbers on the rest of your electrification plan: