POWER MANAGEMENT SERVER, POWER MANAGEMENT SYSTEM, AND POWER MANAGEMENT METHOD

A power management server controls a fuel cell system including a power generator. The power management server includes at least one processor. The processor is configured to execute a reception process and control process. The reception process incudes a reception process of receiving a massage including an information element indicating an operation state of the fuel cell system. The control process includes a control process of controlling the fuel cell system which the operation state is a power generating state, in preference to the fuel cell system which the operation state is a starting up state, stopping state, and stop operating state, in a control target period.