SOLAR PANEL TESTING | HOW TO TEST SOLAR BLANKETS & PANELS Testing your solar the wrong way can give false readings and make it harder to find a fault. To get accurate results, always use a multimeter to measure open circuit voltage and short circuit current, compare the readings against the panel specifications, and make sure you’re testing in full, direct sunlight. You can also carry out a load test with incandescent globes to uncover any hidden issues. Watch the full video here: https://youtu.

Calculate Solar Panel Efficiency with Simplest Method To calculate the solar panel efficiency, you need to divide the Wattage per unit area (Pmax/total area in sq.m.) of the solar module by the STC Irradiance value (1000W/sq.m.). This is the simplest way to get any solar PV module’s efficiency. Solar Panel Efficiency Formula: Efficiency (%) = (Pmax ÷ Area) ÷ (1000) x 100% where, Pmax = solar panel peak power (in Watts) Area = length x width of the solar panel (in sq.m.) 1000 = Standard Test Cond