Hoymiles APP_Enduser (HAU) is a mobile application developed by Hoymiles for owners of distributed PV power plants especially. It obtains operating data of PV power plant from Hoymiles Energy Cloud (HEC), and realizes module-level monitoring, meanwhile, it provides power generation data for both plant-level & module-level in real time, in a day, in a month, in a year and in total, and alarm info for power plant and equipment to assist plant owner to monitor operation of PV power plant, ensuring normal operation of the power plant and obtaining expected yield.