Solar Atlas · Louisiana
Is solar worth it in New Orleans, LA?
A 7 kWdc rooftop array in New Orleans makes about 10,352 kWh a year (NLR PVWatts, modeled) and pays back in 18.4 years at Entergy New Orleans, LLC’s 13.5¢/kWh residential rate (Aug 2025–Jul 2026), with no federal credit. Exports follow Entergy New Orleans net metering (Schedule NM-4).
29.95°N · 10.1–13.9 h daylight · site signature
- Production
- 1,479 kWh per kWdc per year · capacity factor 16.9% AC
- Residential rate
- 13.5¢/kWh · Entergy New Orleans, LLC
- Exported solar
- Entergy New Orleans net metering (Schedule NM-4) · credited at retail
- Climate
- humid subtropical (Köppen Cfa) · 21.4 °C mean, 1,609 mm/yr
Source: NLR PVWatts v8.5.0 (NSRDB PSM V3 GOES tmy-2020 3.2.0) — 1 kW, tilt 20°, azimuth 180°, roof mount, 14% losses · fetched 2026-09-24 · modeled, not metered
Source: EIA-861M utility average · Aug 2025–Jul 2026 · EIA Louisiana average Jan–Jul 2026 13.3¢ · utility’s EIA-861 2024 average 13.0¢
Source: Entergy New Orleans residential customers with net metering facilities ≤ 25 kW · checked 2026-09-25
Source: NOAA NCEI Climate Normals 1991–2020, NEW ORLEANS INTL AP, LA US (18.1 km away) · fetched 2026-09-24
No federal credit: the homeowner credit (§25D) ended for systems installed after 2025-12-31. A lease or PPA price may reflect the lessor’s §48E credit. 26 U.S.C. §25D(h) and (e)(8)(A) · policy as of 2026-09-24
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Your exact roof, or a business
The payback calculator runs hourly PVWatts at your address. The Modeler opens a grid-tied home at New Orleans. A business goes to the Quote Studio with the 10.7¢/kWh commercial rate.