| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply system for multiple dwelling, capable of making effective use of electric power at low cost in multiple dwelling. <P>SOLUTION: A control apparatus 20, when the electric energy of a power storage value 18 is not more than a predetermined threshold value, electric power is used in the order of electric power of generated electric power of a photovoltaic power generator 14A and a commercial power supply during daytime and in the order of electric power of commercial power supply and midnight power during any other time than daytime. <P>COPYRIGHT: (C)2013,JPO&INPIT |
