Calculadora de Ângulo do Painel Solar — Formula

Optimal Solar Panel Tilt Angle

The ideal tilt angle for solar panels depends primarily on latitude. Panels should face the equator (south in the Northern Hemisphere) at a tilt that maximizes annual energy capture.

Formula

Optimal Tilt = Latitude x 0.87 + 3.1°

This regression approximation works well for latitudes between 25° and 55°. Steepen by 15° in winter and flatten by 15° in summer for seasonal optimization. Adjustable mounts that change tilt seasonally can gain 5-10% more annual energy.

Exemplo Resolvido

Solar panels at 40°N latitude.

  1. Optimal annual tilt = 40 x 0.87 + 3.1 = 37.9°
  2. Winter tilt = 37.9 + 15 = 52.9°
  3. Summer tilt = 37.9 - 15 = 22.9°