The supply power is flexibly adjusted while suppressing the decrease in power efficiency during pumping. The pumped-storage power generation control system controls a pumped-storage power generation facility having a plurality of pumped-up portions that perform pumping operation and a power-generating portion that performs power-generating operation, and controls the operation of the pumped-up portion and the power-generating portion, thereby It has a power control unit that controls a total value P of the power consumption and the power generation in the power generation operation. When varying the total value P within a predetermined range, the electric power control unit performs the pumping operation by the rated operation in which the opening degree of the valve pumped by the pumping section is set to the predetermined opening degree, while the power generation section By changing the opening of the valve that causes the water to flow and performing the power generation operation, the pumping rating control that changes the amount of power generation is executed. When varying the total value P to outside the predetermined range, the power control unit starts or stops the operation of the pumping unit to control the number of pumped pumps that changes the amount of power consumption.
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