Domestic electric power companies

• Hokkaido Electric Power Co., Inc.
• Tohoku Electric Power Co., Inc.
• Tokyo Electric Power Company Holdings, Inc.
• Chubu Electric Power Co., Inc.
• Hokuriku Electric Power Co.
• The Kansai Electric Power Co., Inc.
• The Chugoku Electric Power Co., Inc.
• Shikoku Electric Power Co., Inc.
• Kyushu Electric Power Co., Inc.
• The Okinawa Electric Power Co., Inc.
• Electric Power Development Co., Ltd.(J-POWER)
• The Japan Atomic Power Co.

Related organizations

• The Federation of Electric Power Companies
• Agency for Natural Resources and Energy
• New Energy and Industrial Technology Development Organization (NEDO)
• Nuclear Regulation Authority
• Central Research Institute of Electric Power Industry
• Japan International Cooperation Agency (JICA)
• National Diet Library
• Ministry of Economy, Trade and Industry
• The Institute of Energy Economics