POWER DISTRIBUTION APPARATUS, POWER DISTRIBUTION METHOD, AND COMPUTER-READABLE MEDIUM

A power distribution apparatus configured to calculate, for a plurality of distributed power supplies connected to an electric power system, active power and reactive power to be outputted from each of the distributed power supplies, comprising: output estimation unit for estimating, based on the past operation history of each of the distributed power supplies, the output range of the electrical power that can be outputted from each of the distributed power supplies in the future; and a calculating unit configured to calculate, based on the output range, the active power and the reactive power of each of the distributed power supplies, which can satisfy a predetermined objective condition and constraint condition.