A multi-objective HEM strategy for smart home energy scheduling: A collaborative approach to support microgrid operation

Contributing to a flattened load profile by smart home owners could effectively assists the microgrid operator (MGO) in coping with technical hurdles and assuring an economic operation. To attain such functionality, a home energy management (HEM) approach is proposed which interrogates two objectives, sequentially. The first objective assures a minimum energy payment cost of home appliances, as the main purpose of the home owners. In the sequel, the obtained minimum cost is assigned as an optimization constraint and the minimum load profile deviation is pursued. Besides the fixed-load and shiftable appliances, plug-in hybrid electric vehicle (PHEV), small-scale energy storage system, and renewable energy resources are also contemplated. Efficient linearization techniques are applied to avert non-linear nature of the established model ending to a linear one. Detailed simulation studies are conducted to assess performance of the proposed approach. Results are discussed in terms of reduced energy payment costs of home owners and a flattened load profile.