The energy management method and system and computer-readable storage medium for storing the method

A power management method is provided. The power management method comprising the steps of retrieving a usage information from at least one consumer, and retrieving of power information from a power supply system having a power source, a module for the generation of renewable energy and an energy storage module in order to calculate immediately a first and a second energy threshold. When a power production of the module for the production of renewable energy is less than the second power threshold, the power source or the energy storage module is controlled to provide the consumer energy. If the production of energy between the first and the second energy threshold, the module for the production of renewable energy is controlled to provide the consumer energy. When the power production is higher than the first energy threshold, the module for the production of renewable energy is controlled to provide energy to the consumer and to load the energy storage module.