The utility model belongs to renewable?resources electricity generation and fixed electricity generation complex field relate to the resident and generate electricity with the microgrid, especially relate to a combined microgrid power generation system, including solar electric system, wind generator system, biogas power generation system, thermal power system, accumulate system and microgrid controlling means, the utility model discloses arrive the reasonable utilization of resource at one's side together, has set up solar electric system, wind generator system, biogas power generation system and thermal power system promptly, the utility model discloses then can store the electric energy according to the particular case of surrounding environment to distribute through microgrid controlling means, the utility model discloses configuration optimization, the system is stable high -efficient, and the suitability is strong, is suitable for very much current resident to use.