https://www.anern.com/products/off-grid-solar-power-system-15-30kw/ Anern 15kw-30kw off grid solar system is a highly reliable off-grid solar power system. This series of off-grid solar systems uses high-frequency inverters to ensure safe and stable operation of high-power motors. With large power generation to meet larger demand, widely used in offices, homes, schools, hospitals, and other places. Solar panels have a lifespan of 25 years, so the return on investment for solar systems using green energy generation is high in the long run.