Solarific

Solar panel data for all U.S. cities

Solar Panel Angles for Fairfield, California

The most efficient tilt for photovoltaic panels in Fairfield, California at a latitude of 38.26°:

Orientation

Your photovoltaic panels need to be angled facing south.

Fixed tilt

If you're mounting the photovoltaic panels at a stationary angle, such as on your roof, the most efficient angle is 32.2°.

2-Season tilt

If you're planning to change the angle of your photovoltaic panels twice per year, the most efficient angle is 14.6° in summer months and 52.7° in winter months.

4-Season tilt

If you're planning to change the angle of your photovoltaic panels each season, the most efficient angle is 10.9° in summer months and 58.1° in winter months, and 35.2° in autumn and spring months.