With the rapid pace of economic development

electric power consumption of home users is increasing year by year

which also accounts for a big part in total social power consumption.Hence

it is significant to conduct researches on optimal control of different types of household loads

so that electricity expense of home users can be reduced.In this paper

a control strategy of household energy efficiency management system is proposed

and mathematical models of four different types of household loads are established

including adjustable loads

transferrable loads

interruptible loads and reducible loads.Meanwhile

charging and discharging power model and capacity model of battery energy storage are formulated respectively

considering its life cycle.And optimal control of demand response resources are carried out based on time-of-use price and distributed roof photovoltaic generation.Finally

a numerical example is studied

which demonstrates that the electricity expense of a home user can be reduced remarkably through the proposed optimal control strategy

and the utilization of the distributed PV generation can be improved.