PURPOSE: A power consumption task scheduling method using genetic algorithm and a power consumption task scheduling device using the algorithm are provided to reduce peak power consumption per a unit hour by scheduling power consumption tasks generated in an in-home network based on the genetic algorithm. CONSTITUTION: A receiving unit(610) receives power consumption tasks generated in an in-home network. An identifying unit(620) identifies types of the power consumption tasks. A scheduler(630) schedules the power consumption tasks by using genetic algorithm according to the types. A controller(640) controls power of a domestic appliance according to the scheduling. The scheduler includes a modeling unit modeling the tasks according to activation time, operating time, and termination time and a scheduling performing unit performing scheduling by using the modeled tasks. [Reference numerals] (610) Receiving unit; (620) Identifying unit; (630) Scheduler; (631) Modeling unit; (632) Scheduling executing unit; (640) Controller; (650) Smart grid home controller
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