Jinkeng Village is located in mountainous area which is high altitude and has a cold weather. The power is supplied by 110kV Jinkeng Transformer Substation with 16.7km power supply radius which is very long. The nearest power supply station is further than 30 km, which makes daily maintenance very difficult. Power supply is hard to recover considering the sophisticated environment. Meanwhile there are good distributed energy like water and PV uneasy to be controlled. Micro-grid construction brings big significance to control the energy storage and system control.