The utility model discloses a 110 KV transformer station micro-grid system used for a large-scale electricity-consuming place. The system comprises a first station transformer, a first bus whose circuit connected with the first station transformer, a second station transformer, a second micro-grid accessing cabinet connected with the second station transformer, a station load connected with the first bus and the second micro-grid accessing cabinet through circuits, electric automobile charging pile connected with the second micro-grid accessing cabinet through a circuit, a photovoltaic power generation system connected with the second micro-grid accessing cabinet through a circuit, and a battery energy storage system connected with the second micro-grid accessing cabinet through a circuit. According to the 110 KV transformer station micro-grid system used for the large-scale electricity-consuming place, distributed power supplies, various loads, a controller and a energy storage device are integrated together to form a unit capable of being totally controlled and respectively controlled, the distributed power supplies can be furthest accepted, energy consumption is saved, the energy efficiency is raised, power supply reliability is raised, multi-user electric energy quality demands are satisfied, whole capacity for resisting disasters is raised, and capability for supplying emergency power is raised.