The simplest formula to find the solar panel's best angle is: Optimal Tilt ≈ Your Latitude Example: This ensures panels are aligned with the sun's average position throughout the year. For homeowners who want to squeeze every kWh, seasonal tilt adjustments can help: Example for.
The optimal tilt angle for solar panels typically equals your location's latitude. For most of the continental United States, this means angles between 25-45 degrees.