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Fujitsu Wins Order from Hokkaido Gas to Develop Rate Calculation System for its Retail Electricity Business

Building a core system in preparation for Hokkaido Gas's entrance into the retail electricity market in April 2016

Fujitsu Limited

Tokyo, June 17, 2015

Fujitsu today announced that it has received an order from Hokkaido Gas Co., Ltd. to develop and deploy an electricity usage rate calculation system.

This system will offer usage-rate calculation and customer management functions(1), which are core duties for electricity retailers. By doing so, it will provide smooth operational support for Hokkaido Gas's new business as it enters the retail electricity market in April 2016.

Fujitsu is committed to providing support for the building of electricity-rate calculation systems and other ICT systems for new entrants into Japan's retail electricity market.


Japan's retail electricity market for low-voltage customers (households and small businesses, such as convenience stores) is scheduled to be deregulated in April 2016. Hokkaido Gas is aiming to enter the retail electricity market on April 1, 2016, and in preparation, the company is working to secure power supplies and put in place the IT systems required for the operation of its electrical power business. As part of this effort, Fujitsu will be developing and deploying an electricity usage rate calculation system, which will be a core system for retail sales of electricity.

Overview of the System to be Deployed

1. A flexible usage-rate menu that can handle rapid changes in the market environment

Employing BRMS(2) technology in the usage-rate calculation function enables changes to settings, such as additions or revisions to the usage-rate menu, through a simple registration process. This greatly reduces the time required for the system to accommodate new usage-rate plans or the provision of new services, enabling faster responses to changes in competitor trends or market needs.

2. Links to external systems necessary for usage-rate calculations and customer management

To capitalize on the retail electricity market's liberalization, the system provides functions for communicating with outside groups, such as the Organization for Cross-regional Coordination of Transmission Operators (OCCTO), which adjusts domestic electricity supply and demand, and electricity distributors, which manage electrical meters for each customer, regarding customer information and electricity usage amounts required for electricity usage rate calculations, thereby supporting smooth operational execution.

3. Optimal system construction through links with existing systems

Links with existing mission-critical systems used for Hokkaido Gas's town gas sales enable the provision of a variety of high value-added services, such as the proposal of usage-rate plans with combinations of gas and electricity tailored to each customer.

Diagram of systemDiagram of system

  • [1] Customer management functions

    Functions for contract menu management and usage-amount management, sorted by customer.

  • [2] BRMS: Business Rule Management System

    A system that defines business rules, such as business regulations, conditions, and evaluation criteria, and automatically executes and manages complex business decisions.

About Fujitsu

Fujitsu is the leading Japanese information and communication technology (ICT) company, offering a full range of technology products, solutions, and services. Approximately 159,000 Fujitsu people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers. Fujitsu Limited (TSE: 6702) reported consolidated revenues of 4.8 trillion yen (US$40 billion) for the fiscal year ended March 31, 2015. For more information, please see

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Company:Fujitsu Limited

All company or product names mentioned herein are trademarks or registered trademarks of their respective owners. Information provided in this press release is accurate at time of publication and is subject to change without advance notice.

Date: 17 June, 2015
City: Tokyo
Company: Fujitsu Limited