A power supply apparatus includes a receiving unit configured to receive a power supply request and a power supply condition from a power receiving apparatus, and a power supply control unit configured to instruct a power supply unit to perform a test power supply to a target power receiving apparatus which is a transmission source of the power supply request, and instruct the power supply unit to perform actual power supply according to the power supply condition when the receiving unit receives a success notification of the test power supply from the target power receiving apparatus after performing the test power supply.