INVERTER, POWER SOURCE DEVICE, ENERGY CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM

An inverter of an embodiment includes a power convertor that can perform at least one of a first action of generating electricity to be output to a power system based on a pseudo inertia and a second action of generating electricity to be output to the power system without based on the pseudo inertia, and a transmitter that transmits, to a high-order control system, first information indicating which of the first action and the second action the power converter is performing.