What is the 33% rule in solar panels?
2025-11-14T09:00:00+08:00
The 33% rule suggests that you can oversize a solar array by up to one-third more than the inverter's rated AC capacity. For example, a 5 kW solar inverter can often handle up to 6.65 kW of panels safely.
JA Solar has entered a new era of photovoltaic technology through continuous innovation, including record-breaking cell efficiency, the development of advanced modules for extreme conditions, and a commitment to global sustainability. The company has achieved record open-circuit voltage with its Bycium+ cell technology and has also developed new modules, such as the DesertBlue modules, designed to withstand harsh environments like deserts. This innovation is part of a broader strategy to drive the global energy transition and build a low-carbon future.