Patent ID: 8612362

Claim:
An appliance cooperation operation device, comprising: a facility database configured to store an introduction cost of a power storage shared among a plurality of customers, and a rated life of the power storage; a facility deteriorating influence calculator configured to calculate a deteriorating influence on the power storage by using at least one parameter selected from: a discharge rate of the power storage in a first period; depth of discharge at the end of the first period; and environmental temperature in the first period; a customer electric energy collector configured to collect, from each of the customers, data of electric energy consumption in the first period; and a customer's burden cost calculator, including a processor, configured to calculate a burden cost of each customer in the first period to the introduction cost of the power storage, on which individual contribution by each customer to the deteriorating influence of the power storage is reflected, by multiplying: a first ratio of the electric energy consumption of each customer to a total electric energy consumption of the customers, the introduction cost of the power storage, a second ratio of the first period to the rated life, and the deteriorating influence.