To provide a solar panel (solar battery panel) so formed that its angle can be adjusted, commonly installable on both an outdoor unit and a separate frame, and enabling the commonization of an angle adjusting mechanism part thereto.

This power generation device comprises the solar panel generating power utilized for the separator type air conditioner. A pair of right and left side support legs are fixed so that its installation angle can be changed and a pair of right and left side support legs can be rotatably connected to a pair of right and left side mounting members. The power generation device can be selectively installed on the outdoor unit 101 or the frame 50B separate from the outdoor unit 101 through the pair of right and left installation members 109.