As a large-scale power generation asset holder, CJL spares no effort to build an intelligent operation and maintenance system, based on high-quality power stations with good engineering quality and high generation efficiency, making full use of the self-developed intelligent control system and big data platform, using expert operation and maintenance system, through“Headquarters monitoring platform-regional management platform-single power station” three-level management and control, large data cloud control management of power plants is fully realized, and the operation and maintenance of photovoltaic power plants are analyzed and tested in the whole process and panorama.