The utility model discloses a two -sided electricity generation photovoltaic module installation device and power generation facility relates to solar power system technical field, and two -sided electricity generation photovoltaic module installation device includes the base and can install the frame of two -sided electricity generation subassembly, the frame is the frame rack structure of middle part fretwork, and the frame is connected on the base perpendicularly, this installation device's of application power generation facility is still provided. Adopt the utility model discloses can avoid piling up of dust and sheltering from of foreign matter such as birds droppings, reduce the hidden danger that causes photovoltaic module hot spot, reduce photovoltaic module simultaneously and wash the number of times, improve the generated energy. The utility model has the advantages of simple structure, convenient operation, easy to be clean, can improve two -sided electricity generation photovoltaic module's generated energy by a wide margin.