This compressed air storage power generation device 10 is provided with: a power demand receiving unit 60 which receives in real-time the power demand value of consumer equipment 3; a power supply adjustment device 19 which adjusts the amount of power generated by a generator 15; and a control device which has a power generation amount control unit 17a for controlling the power supply adjustment device 19 so as to supply the consumer equipment 3 in a timely fashion with power corresponding to the power demand value received by the power demand receiving unit 60.