Solar Panel Angle Guide
Solar Panel Angle in Las Vegas
Las Vegas, United States is at latitude 36.17°N. Here's the optimal solar panel tilt and orientation for maximum energy production.
Year-Round Tilt
34.6°
Summer Tilt
21.2°
Winter Tilt
51.2°
Face
South
180° azimuth
Monthly Optimal Tilts for Las Vegas
Jan
56.5°
Feb
47.9°
Mar
36.2°
Apr
24.4°
May
15.9°
Jun
12.7°
Jul
15.9°
Aug
24.4°
Sep
36.2°
Oct
47.9°
Nov
56.5°
Dec
59.6°
Peak Sun Hours
4.5 hrs/day
Average daily solar insolation
Annual Production (400W panel)
~657 kWh
At 34.6° tilt, facing South
Solar Panel Recommendations for Las Vegas
- Fixed mount: Set your panels at 34.6° tilt, facing South (180° azimuth).
- Seasonal adjustment: Tilt to 21.2° in summer and 51.2° in winter for up to 15% more annual energy.
- Monthly adjustment: Adjust tilt each month using the table above for maximum year-round production.
Solar Energy in the Mojave Desert
Las Vegas benefits from one of the highest solar irradiance levels in the United States, with over 300 sunny days per year and strong direct-beam sunlight at 36°N latitude. The arid Mojave Desert climate minimizes cloud cover, providing exceptionally consistent daily production. However, the same desert conditions that deliver abundant sunlight also produce extreme summer heat that reduces panel efficiency.
Temperatures in Las Vegas regularly exceed 40°C (104°F) during summer months, which can reduce panel conversion efficiency by 10-15% compared to standard test conditions. Mitigation strategies include maintaining airflow beneath panels (at least 4-6 inches of clearance), selecting panels with low temperature coefficients, and considering bifacial panels that capture ground-reflected light from the desert floor.
Dust accumulation is another consideration in the Las Vegas area. While less severe than in truly sandy deserts, the dry climate means panels accumulate dust between rainfall events. Cleaning panels twice per year is generally sufficient. Many Las Vegas homeowners pair solar with battery storage — NV Energy's net metering policies and the region's high air conditioning loads make solar-plus-storage economics particularly attractive.
Orientation Performance
Panel orientation significantly affects energy production. The table below shows relative output compared to true south-facing panels:
| Orientation | Relative Output |
|---|---|
| South | 100% |
| South-East | 96% |
| South-West | 96% |
| East | 85-90% |
| West | 85-90% |
| North | 60-75% |
Frequently Asked Questions
Does heat affect solar panels in Las Vegas?
Yes. Summer temperatures regularly exceed 40°C, which can reduce peak efficiency by 10-15%. Good airflow beneath panels and low-temperature-coefficient panels help mitigate this.
How much energy can a 400W panel generate here?
With 4.5 peak sun hours per day, a properly aligned 400W panel could generate approximately 657 kWh per year.
Related Calculators
Solar Panel Tilt Calculator
Calculate optimal tilt for any latitude and month
Solar Panel Azimuth Calculator
Find the exact compass heading for your panels
Get exact numbers with the SolarAlign app
Use your phone to align panels in real-time with live sensor feedback.Learn more →