Member Companies
[Electric Power] 1 Hokkaido Electric Power Co., Inc. 2 Tohoku Electric power Co., Inc. 3 Tokyo Electric Power Company Holdings, Inc. 4 Chubu Electric Power Co., Inc. 5 Hokuriku Electric Power Co., Inc. 6 The Kansai Electric Power Co., Inc. 7 Chugoku Electric Power Co., Inc. 8 Shikoku Electric Power Co., Inc 9 Kyushu Electric Power Co., Inc. 10 The Okinawa Electric Power Co., Inc. 11 Electric Power Development Co., Ltd. 12 The Japan Atomic Power Co., Ltd. 13 Kashima Kyodo Electric Power Co., Ltd. 14 Kimitsu Cooperative Thermal Power Company, Inc. 15 Kurobegawa Electric Power Co., Ltd. 16 Jyoban Joint Power Co., Ltd. 17 Soma Kyodo Power Co., Ltd. 18 JERA Co., Inc 19 Japan Electric Power Information Center, Inc. 20 Thermal and Nuclear Power Engineering Society 21 The Federation of Electric Power Companies 22 Central Research Institute of Electric Power Industry 23 Japan Electric Association [Gas] 24 Osaka Gas Co., Ltd. 25 Tokyo Gas Co., Ltd. 26 Toho Gas Co., Ltd. 27 Japan LP Gas Association 28 The Japan Gas Association [Oil] 29 INPEX Corporation 30 ENEOS Corp. 31 Japan Petroleum Development Association 32 Petroleum Association of Japan [Coal] 33 Japan Coal Frontier Organization [Nuclear Power] 34 Japan Atomic Industrial Forum Inc. [Electric Machinery/Prime Mover] 35 IHI Corporation 36 Arvos K.K. 37 MR Japan Corporation 38 General Electric Global Services GmbH 39 TAKAOKA TOKO CO., LTD 40 Toshiba Energy Systems & Solutions Corporation 41 NGK Insulators, Ltd. 42 Hitachi, Ltd. [Electric Machinery/Prime Mover] 43 Fuji Electric Co., Ltd. 44 Mitsubishi Power, Ltd. 45 Mitsubishi Electric Corporation 46 Meidensha Electric Manufacturing Co., Ltd. 47 Yasukawa Electric Manufacturing Co., Ltd. 48 Yokogawa Solution Service Corporation 49 DAIHEN Corporation 50 The Japan Electrical Manufacturers’ Association [Iron & Metals] 51 Kobe Steel, Ltd. 52 NIPPON STEEL CORPORATION 53 JFE Steel Corporation 54 Mitsubishi Materials Corporation 55 The Japan Iron and Steel Federation [Electric Wire] 56 SWCC Showa cable systems Co.,LTD 57 Sumitomo Electric Industries, Ltd. 58 The Furukawa Electric Co., Ltd. [Import & Export] 59 Kyokuto Boeki Kaisha, Ltd. 60 Sojitz Corporation 61 Marubeni Corporation 62 Mitsui & Co. Plant Systems, Ltd. 63 Mitsubishi Corporation [Technical Consultant] 64 Chiyoda Corporation 65 JGC Corporation 66 Nippon Koei Co., Ltd. [Construction] 67 Hazama Ando Corporation 68 Kajima Corporation 69 Kumagai Gumi Co., Ltd. 70 Konoike Construction Co., Ltd. 71 Penta-Ocean Construction Co., Ltd. 72 Shimizu Corporation 73 The Zenitaka Corporation 74 Taisei Corporation 75 Takenaka Corporation 76 Tobishima Corporation 77 Nishimatsu Construction Co., Ltd. 78 JDC Corporation 79 Ohbayashi Corporation 80 Fujita Corporation 81 Maeda Corporation 82 Sumitomo Mitsui Construction Co., Ltd. [Construction] 83 Japan Commission on Large Dams 84 Japan Federation of Consruction Contractors [Services to Electric Power and Gas Industries] 85 IHI Plant Services Corporation [Services to Electric Power and Gas Industries] 86 Tokyo Gas Engineering Solutions Corporation 87 Kandenko Co., Ltd. 88 Taihei Dengyo Kaisha, Ltd. 89 Chubu Plant Service Co., Ltd. 90 Toshiba Plant Systems & Services Corporation 91 Tokyo Energy & Systems Inc. 92 Tokyo Power Technology Ltd. 93 Tokyo Electric Power Services CO.,Ltd. 94 Fuel TEPCO Limited [Automobile] 95 Honda R&D Co., Ltd. [Audit, Inspection, Weather info] 96 KPMG AZSA & Co. 97 Japan Power Engineering and Inspection Corporation 98 Weathernews Inc. [Energy Institute] 99 The Institute of Applied Energy 100 New Energy Foundation 101 The Japan Institute of Energy 102 The Institute of Energy Economics, Japan
a total of 102 companies and organizations (as of June 2021)