That's appropriate for factories that have electrical power charges ranging from 50,000 baht or more for factories which are by now using loads in the daytime If using your personal income to take a position There will become a payback for around 6-7 years, but for those with good efficiency https://bluetechsolarcell.com/solar-rooftop-%e0%b8%82%e0%b8%ad%e0%b8%99%e0%b9%81%e0%b8%81%e0%b9%88%e0%b8%99/