Solar in Marrero, LA
With Entergy Louisiana's electricity at about 12.3¢ per kWh and 1,457 kWh of sun per kW, solar is not worth it for a typical Marrero home today: about a 18.8-year payback.
- Payback, typical home
- 18.8 yrsLouisiana: 17.8 yrs
- 25-year net
- $6,397after paying $14,465
- Sun
- 1,457kWh per kW per year
- Electricity
- 12.3¢31% below U.S. average
A typical Marrero home, by the numbers
| Utility | Entergy Louisiana |
|---|---|
| Electricity use | 1,233 kWh a month |
| Best-value system | 5.1 kW, about 12 panels, 7,428 kWh a year (50% of use) |
| Cost | $14,465 |
| First-year savings | $747 |
| Payback | 18.8 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 Marrero
- Owner-occupied homes
- 66%
- Single-family detached
- 77%
- Median home value
- $170k
- Median year built
- 1972
- Population
- 32,540
- Roofs suitable for solar†
- 97%
Census ACS 2020–2024. †Share of 12,216 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?
Installers working in Marrero
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 Marrero
Is solar worth it in Marrero, LA?
For a typical home in Marrero, solar is not worth it at 2026 prices: a 5.1 kW system costs about $14,465 after state incentives, saves about $747 in year one and pays back in about 18.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Marrero?
About 1,457 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Louisiana average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Marrero?
Most homes in Marrero are served by Entergy Louisiana, at about 12.3¢ per kWh on average. Some areas are served by Entergy New Orleans, South Louisiana Electric Cooperative Association.
How much do solar panels cost in Marrero?
A fair cash price is around $2.65 per watt before incentives, so about $14,465 for a 5.1 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Metairie 18.4 yrs
- Kenner 18.2 yrs
- New Orleans 12.3 yrs
- Laplace 18.3 yrs
- Slidell 16.4 yrs
- Houma 18.9 yrs
- Prairieville 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.