| 摘要 |
PROBLEM TO BE SOLVED: To allow a plurality of customers, each of which separately contracts with a power company for power purchase, to jointly own a photovoltaic power generation facility, so as to use the generated power according to a predetermined division rate or sell excessive power to the power company. SOLUTION: Customers 5a-5n who receive power supply from a line 8 of a power company through power-purchase watthour meters 7a-7n are provided with a common photovoltaic power generation part 10 including an inverter 4. The output is supplied to the consumers 5a-5n through allocation parts 12a-12n comprising a back-flow preventing circuit 15, while it is supplied to the power company line 8 through a power-sale watthour meters 6a-6n. The power allocation to each customer is decided by a control part 16 based on the power generation measured with a power meter 9. The generated power given to the customers 5a-5n through the allocation parts 12a-12n is controlled according to the allocation decided by the control part 16. |
