How to Tilt and Orient Solar Panels: Simple Rules and Why the Equinox Isn’t the Answer
Quick answer: For a year‑round fixed array, set the panel tilt close to your site latitude (or use the refined rule 0.76×latitude + 3.1°) and face panels toward true south in the Northern Hemisphere (true north for the Southern Hemisphere). Don’t optimize for one day (like March 21); model your site with PVWatts or PVGIS … Read more