Optimal operation method for DC smart-house with smart grid considering forecasted error

Renewable energy systems such as photovoltaic (PV) systems and solar collector (SC) systems are getting attention. Additionally, all electrification apartment house or residence such as DC smart-houses have increased in recent years. However, due to fluctuating power from renewable energy sources and load demand, balancing supply-demand of power systems becomes problematic. Therefore, to operate power systems using renewable energy, forecast of output power such as PV systems, moreover, reduction of its forecasted error are important. In this paper, it is proposed that a methodology for optimal operation of some smart-houses to comply interconnection point power within a bandwidth. And in the method, forecasted error of solar insolation and replanning operation plan are considerated.