Equation For Fixed Solar Panel Tilt Angle

There are two methods for calculating the tilt angle for solar panels.

Equation for fixed solar panel tilt angle. For instance if your latitude is 34 the optimum tilt angle for your solar panels during winter will be 34 15 49. Various optimum tilt angle values were provided in the literature for fixed solar panels. The best tilt angle for winter is the latitude times 0 875 plus 19 2 degrees. If you are able to adjust the angle of your solar panels a few times per year here is the adjustment schedule we recommend.

If your latitude is outside this range see other situationsbelow. Similarly you can calculate the angle for winter by adding 15. The tilt is 0 if solar panel parallel to horizon to design the tilt is 90 if the solar panel is vertical to design. The tilt is included angle of horizon and solar panel.

There s a simple rule of thumb for calculating the best tilt angle for fixed mount solar panels. This table gives some examples. If your latitude is between 25 and 50 then the best tilt angle for summer is the latitude times 0 93 minus 21 degrees. For instance qiu and riffat suggested the tilt angle of the solar collector set within the optimum tilt angle of 10 as an acceptable practice.

Whatever your latitude is you can subtract 15 from it to calculate the angle for summer. The decision of azimuth. Tilt the panels to your latitude plus 15. Tilt the panels to your latitude.

Tilt the panels to your latitude. The optimum tilt angle is calculated by adding 15 degrees to your latitude during winter and subtracting 15 degrees from your latitude during summer. Subtract 15 degrees from the latitude at your location during summer and add 15 degrees to your latitude during winter. Tilt the panels to your latitude minus 15.