Solarific

Solar panel data for all U.S. cities

Solar Panel Angles for Vancouver, Washington

The most efficient tilt for photovoltaic panels in Vancouver, Washington at a latitude of 45.64°:

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 37.8°.

2-Season tilt

If you're planning to change the angle of your photovoltaic panels twice per year, the most efficient angle is 21.4° in summer months and 59.1° 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 17.7° in summer months and 64.6° in winter months, and 42.4° in autumn and spring months.