The invention belongs to the technical field of electric power of new energy, and particularly relates to a new energy power station system based on energy storage complementary smooth grid connection. The new energy power station system based on energy storage complementary smooth grid connection comprises a fluctuant new energy generating device A, a fluctuant new energy generating device B, a storage battery managing system, a direct-current deployment device, a generation assessment monitor, a generation power tracking, regulating and controlling device, a string formation type new energy grid-connected inverter, a bidirectional energy storage inverter, a new energy generation grid-connected inverter, an energy management and control system, a plurality of storage batteries, an energy storage subsystem, an energy storage grid-connected power regulating and controlling device, an environment monitoring system, a transformer, a communication network and a power grid. The problem of new energy electric power grid-connected fluctuation is solved effectively, black start and autonomous controlled power supplying of a new energy generating system are realized, the storage batteries are charged and discharged in a controlled manner and run safely and healthily, and the service life of the new energy power station system is prolonged.