Household solar energy grid connected generation system

The present utility model relates to a household solar energy grid connected generation system. The system comprises a solar cell module, a miniature grid connected inverter, a bidirectional inverter, a storage battery group, an AC distribution box and an electric grid. An output end of the solar cell module is connected with the miniature grid connected inverter, an AC output end of the miniature grid connected inverter is connected with the AC distribution box after being connected in parallel; one end of the bidirectional inverter is connected with the AC distribution box, and the other end is connected with the storage battery group. The AC distribution box is connected with the electric grid. According to needs, the solar cell module is a monocrystalline silicon or polysilicon solar cell module; and the storage battery group is a lead acid storage battery, a colloid storage battery or a lithium iron phosphate cell. The system has high energy conversion efficiency, a miniature uninterrupted electric grid is formed by various parts of the system, electricity using demands of a load under different situations can be satisfied, and continuity and stability of power supply of the system can be guaranteed.