A power distribution management apparatus (10) acquires the amount of demand obtained by forecasting the amount of power to be used by load equipment of a customer, and the amount of power generation obtained by forecasting the amount of power to be genera...

An output-power control apparatus is provided in an electric power system connecting a secondary battery system (2) and a power generator (3) in parallel, and controls output power of the electric power system. The output-power control apparatus detects ou...