Organization Information

Update：2/16/2026

Overview

Name of Organization：Organization for Cross-regional Coordination of Transmission Operators, JAPAN (OCCTO)

Date of Establishment：April 1, 2015

Address：6-2-15, Toyosu, Koto-ku, Tokyo, 135-0061, JAPAN (Location)

Board Members

President：Tsutomu Oyama

Executive Vice-president：Takaya Kishi

Executive Vice-president：Toshihiro Takano

Executive Vice-president：Yukihiko Tayama

Executive Vice-president：Norihisa Hijikata

Executive Vice-president：Toru Masutani

Auditor (Part-time)：Harumi Kojo

Auditor (Part-time)：Akira Chiba

Councilors

Chair of Councils

Kenji Yamaji

(President, Research Institute of Innovative Technology for the Earth (RITE))

Coucilors

Reiko Akiike

(Managing Director＆Senior Partner, BOSTON CONSULTING GROUP)

Mami Ito

(President and CEO, NIHON DENTO KOUGYO Co., Ltd.)

Yasuhiko Ushikubo

(Managing Executive Officer, Head of Research ＆ Consulting Unit / Chief Sustainability Officer (CSuO))

Hiroshi Esaki

(Professor, Graduate School of Information Science and Technology, The Univetsity of Tokyo)

Koichi Kuranuki

(Senior Writer, THE YOMIURI SHIMBUN)

Mikiko Soga

(Partner, Nishimura＆Aasahi (Gaikokuho Kyodo Jigyo))

Yukari Takamura

(Professor, Institute for Future Initiatives, The University of Tokyo)

Masanori Takegawa

(Editorial Writer, The Mainichi Newspapers Co., Ltd)

Yuko Hara

(Director, Nippon Association of Consumer Specialists)

Masanori Maruo

(Managing Director, Global Investment Banking, SMBC NIKKO SECURITIES INC.)

Noriyuki Yanagawa

(Professor, Graduate School of Economics, The University of Tokyo)

Hirotaka Yamauchi

(Specially Appointed Professor, Department of Business Administration, Faculty of Business Administration, MUSASHINO UNIVERSITY）,（Emeritus Professor, HITOTSUBASHI UNIVERSITY)

Organization

General Meeting

• Composed of all members*
• Resolution of change of articles and operational rules, budgets and accounts, and assignment and dismissal of officers

Auditor

Audit and advice to the Board of directors

Board of Directors

• Daily management decisions
• Assignment of employees, management and supervision to the Secretariat
• Assignment of Councilors

Board of Councilors

• Deliberation of critical issues by neutral members other than Electric Industry
• Check and suggestion to the Board of Directors

Secretariat

General Affairs Dept.

Member liaison, general coordination of rules, design and operation of mutual assistance for disaster recovery costs, disaster prevention, and supervision of all administrative work in the office

• Accounting Office
  Accounting (budget/settlement), funds (cash management, treasurer, tax affairs), and materials

• Information System Office
  Information system, information security measures, and operation of switching support system

General Planning Dept.

Institutional design of capacity market and balancing market, study on balancing capacity, study on the state of supply reliability, and study on the Grid Code

Power Supply-and-Demand Planning Dept.

Demand estimates, supply-demand balance assessment, compilation of supply plans (except matters under the jurisdiction of the Network Planning Dept.), and design and operation management of power supply auction

• Capacity Market Center
  Operation management of capacity market (auction, assessment, and request and grant related services)

Power System Planning Dept.

Formation of distribution facility formation plans, compilation of supply plans (matters related to distribution facility development planning), and acceptance of connection studies for power generation facilities of 10,000 kW or more

Network Operation Dept.

Compilation of supply and demand, response in the event of supply-demand constraints, management of interconnection lines, work stoppage plan coordination, and cross-regional frequency adjustment

• Cross-Regional Operation Center
  Monitoring and management of supply-demand and power system condition

Renewable Energy and International Dept.

General operations performed by OCCTO under the provisions of the Renewable Energy Electricity Special Measures Act, and supervision of international relations operations such as overseas surveys

Policy Coordination Office

General coordination of the operations of OCCTO and planning and formulation of basic policy

Dispute Resolution Office

Response to complaints and consultations, and mediation/arbitration

Audit Office

Auditing in general

(Major operations)