Solar in Laplace, LA
With Entergy Louisiana's electricity at about 12.3¢ per kWh and 1,499 kWh of sun per kW, solar is not worth it for a typical Laplace home today: about a 18.3-year payback.
- Payback, typical home
- 18.3 yrsLouisiana: 17.8 yrs
- 25-year net
- $6,848after paying $14,035
- Sun
- 1,499kWh per kW per year
- Electricity
- 12.3¢31% below U.S. average
A typical Laplace home, by the numbers
| Utility | Entergy Louisiana |
|---|---|
| Electricity use | 1,233 kWh a month |
| Best-value system | 4.9 kW, about 11 panels, 7,343 kWh a year (50% of use) |
| Cost | $14,035 |
| First-year savings | $742 |
| Payback | 18.3 years |
| Exported power | 3.86¢/kWh (Entergy Louisiana) |
Cash purchase, no federal credit, 3.0% yearly rate increases. Run it with your own numbers.
Homes in Laplace
- Owner-occupied homes
- 78%
- Single-family detached
- 83%
- Median home value
- $200k
- Median year built
- 1985
- Population
- 28,343
- Roofs suitable for solar†
- 89%
Census ACS 2020–2024. †Share of 8,923 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Laplace
Public installation records for Louisiana don't name installers, so we can't rank local companies here. Browse installers in Louisiana.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Laplace
Is solar worth it in Laplace, LA?
For a typical home in Laplace, solar is not worth it at 2026 prices: a 4.9 kW system costs about $14,035 after state incentives, saves about $742 in year one and pays back in about 18.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Laplace?
About 1,499 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% more than the Louisiana average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Laplace?
Most homes in Laplace are served by Entergy Louisiana, at about 12.3¢ per kWh on average. Some areas are served by South Louisiana Electric Cooperative Association, Washington-St Tammany E C.
How much do solar panels cost in Laplace?
A fair cash price is around $2.65 per watt before incentives, so about $14,035 for a 4.9 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Kenner 18.2 yrs
- Metairie 18.4 yrs
- Marrero 18.8 yrs
- New Orleans 12.3 yrs
- Prairieville 16.4 yrs
- Houma 18.9 yrs
- Slidell 16.4 yrs
- Baton Rouge 16.3 yrs
- All of Louisiana
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.