Cloud protect, fog or smog can cut down panel efficiency drastically on some times. Likewise, snowfall can possibly fully block daylight or reflect it from panels. In addition to a 5kW inverter probably becoming less expensive than 6kW, solar panels not often deliver just as much ability as their rated https://commercial30kwsolarsystemperth.family.blog/2024/08/21/residential-solar-system-installation-in-western-australia-a-sustainable-choice-with-city-point-solar/