VEHICLE CONTROL DEVICE, NON-TRANSITORY STORAGE MEDIUM IN MANAGEMENT COMPUTER FOR POWER GRID, AND CONNECTOR LOCKING CONTROL METHOD

A control device for a vehicle having a connection port to which a connector is connectable includes a processor and the vehicle includes a power storage device configured to store electric power. The vehicle is configured to transmit the electric power between a power grid and the power storage device by connecting, to the connection port, the connector electrically connected to the power grid. The processor is configured to execute connector locking control for locking the connector connected to the connection port when participation of the vehicle in demand-and-supply adjustment of the power grid is confirmed.