ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, PROGRAM, AND SERVER

摘要

According to an embodiment, energy management system manages energy of customer, including water heater uses renewable energy as heat source. Energy management system includes acquisition unit, estimator, creator and controller. Acquisition unit acquires data concerning energy associated apparatuses including water heater, power generator, battery and energy consuming device from customer. Estimator estimates energy demand and supply of customer based on the data. Creator creates operation schedules based on the estimated demand and supply so as to minimize energy cost of customer under a condition that surplus power to be discarded when the battery is fully charged is minimized. Controller controls energy associated apparatuses based on the operation schedules.