公开(公告)号：US20240346560A1

公开(公告)日：2024-10-17

申请号：US18237086

申请日：2023-08-23

Applicant: Hitachi, Ltd.

Inventor： Yuya YAMAMOTO

IPC: G06Q30/04 ,  G06Q50/06

CPC classification number: G06Q30/04 ,  G06Q50/06

Abstract: A storage billing system including a fee calculation section that determines a fee on the basis of an amount of storage usage according to a contract that is renewed when the storage is updated, a contract history check section that, when the fee for the usage of the storage is to be determined, determines whether the contract is renewed, a carbon dioxide emissions calculation section that, when the contract history check section determines that the contract is renewed, determines a difference between an amount of power usage by the storage before the update and an amount of power usage by the storage after the update, and calculates an amount of carbon dioxide emissions reduction, a fee adjustment section that determines the fee by reducing the fee determined by the fee calculation section according to the amount of carbon dioxide emissions reduction determined by the carbon dioxide emissions calculation section.