History
History of Hydroelectric Power Generation System Business
Major Events
| 1912 | Hitachi, Ltd. Minenosawa Mine Horizontal Shaft Pelton turbine and generator (300HP 250kVA 900min-1) started operation. | |
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| 1915 | Mitsubishi Heavy Industries, Ltd. Japan Nitrogenous Fertilizer Company (now JNC Corporation) Naidaijingawa Power Station Horizontal-shaft Pelton turbine (3,680kW) started operation. |  |
| 1916 | Mitsubishi Electric Corporation Yoshioka Mining generator (400kVA 300min-1) started operation. | |
| 1930s | Hitachi, Ltd.Mitsubishi Electric CorporationMitsubishi Heavy Industries, Ltd. Started exporting hydropower units to overseas. | |
| 1959 | Hitachi, Ltd. Shikoku Electric Power Co., Inc. Omorigawa Power Station Francis type pump turbine and generator-motor (12,200kW 14,000kVA 400min-1) started operation. *First reversible pump turbine and generator-motor |  |
| 1961 | Hitachi, Ltd. Kansai Electric Power Co., Inc. Kurobegawa No.4 Power Station Unit No.3 Pelton turbine and generator (95,000kW 95,000kVA 300/360min-1) started operation. *The largest output Pelton turbine in Japan |  |
| 1969 | Mitsubishi Electric Corporation Chubu Electric Power Co., Inc. Takane Daiichi Power Station Unit No.3 and No.4 generator-motors (100,000kVA 277min-1) started operation. *The first generator-motor |  |
| 1969 | Mitsubishi Heavy Industries, Ltd. Chubu Electric Power Co., Inc. Takane Daiichi Power Station Unit No.3 and No.4 Deriaz pump turbines (100,000kVA 277min-1) started operation. *The first reversible pump turbine |  |
| 1984 | Hitachi, Ltd. Venezuela Guri II Power Station Unit No.13,14,11 Francis type turbines (730,000 kW) started operation. | |
| 1984 | Mitsubishi Electric Corporation Venezuela Guri II Power Station Unit No.11 generator (805,000 KVA 112.5 min-1) started operation. *The largest air-cooled capacity machine at that time | |
| 1993 | Mitsubishi Electric Corporation Hokkaido Electric Power Co., Inc. Takami Power Station Unit No.2 generator-motor (105,000kVA 231min-1±10%) started operation. *The first 100MW-class adjustable-speed pumped storage system in the world |  |
| 1993 | Mitsubishi Heavy Industries, Ltd. Hokkaido Electric Power Co., Inc. Takami Power Station Unit No.2 Deriaz type pump turbine (103,000kW) started operation. *The first adjustable-speed pumped storage system in the world (Deriaz type) |  |
| 1993 | Hitachi, Ltd. Kansai Electric Power Co., Inc. Okawachi Power Station Unit No.4 Francis type pump turbine and generator-motor (331,000kW 395,000kVA 330-390min-1) started operation. *The first 300MW-class adjustable-speed pumped strage system in the world |  |
| 1999 | Hitachi, Ltd. Tokyo Electric Power Co., Inc. Kazunogawa Power Station Unit No.1 Francis type pump turbine and generator-motor (412,000kW 475,000kVA 500min-1) started operation. *The highest head, large capacity Single-stage pump turbine in the world, and the largest capacity generator-motor in Japan at that time. |  |
| 2000 | Mitsubishi Electric Corporation Tokyo Electric Power Company Kazunogawa Power Station Unit No.2 generator-motor (475,000kVA 500min-1) started operation. |  |
| 2000 | Mitsubishi Heavy Industries, Ltd. Tokyo Electric Power Company Kazunogawa Power Station Unit No.2 Francis type pump turbine (412,000kW) started operation. |  |
| 2007 | Hitachi, Ltd. Kyushu Electric Power Co., Inc. Omarugawa Power Station Unit No.4 Francis type pump turbine, generator-motor (310,000kW 345,000kVA 576-624min-1) started operation. *Fastest adjustable-speed pumped storage system in the world at the start of operation |  |
| 2009 | Mitsubishi Electric Corporation Kyushu Electric Power Co., Inc. Omarugawa Power Station Unit No.3 adjustable-speed generator-motor (319,000kVA 576-624min-1) started operation. |  |
| 2009 | Mitsubishi Heavy Industries, Ltd. Kyushu Electric Power Co., Inc. Omarugawa Power Station Unit No.3 adjustable-speed Francis type pump turbine (310,000kW) started operation. |  |
| 2010 | Mitsubishi Electric Corporation Slovenia Avče Power Station generator-motor (195,000kVA 600min-1 -4%～+4.3%) started operation. *The first adjustable-speed pumped storage unit exported to oversea. |  |
| 2010 | Mitsubishi Heavy Industries, Ltd. Slovenia Avče Power Station Francis type pump turbine (185,400kW) started operation. *The first adjustable-speed pumped storage unit exported to oversea. |  |
| 2011 | Establishment of Hitachi Mitsubishi Hydro Corporation(Integration of the hydroelectric power generation system businesses of Hitachi, Ltd., Mitsubishi Electric Corporation, and Mitsubishi Heavy Industries, Ltd.) | |
| 2016 | Hitachi Mitsubishi Hydro Corporation Tachiachi Hydro Power Station Chingshan Branch Power Station in Republic of China Francis turbine and generator (96,130kW 115,500kVA 360min-1) started operation. |  |
| 2018 | Hitachi Mitsubishi Hydro Corporation Kansai Electric Power Co., Inc. Okutataragi Power Station Unit No.2 Francis type pump turbine and generator-motor (311,100kW 350,000kVA 300±15min-1) started operation. *The first in the world to renovate a pump turbine and a generator-motor from conventional pumped storage power plant to adjustable-speed pumped storage power plant at the same time |  |
| 2019 | Hitachi Mitsubishi Hydro Corporation Laos Nam Ngiep 1 Power Station Main Power Station Francis turbine and generator (140,500kW 162,000kVA 214min-1) started operation. |  |
| 2019 | Hitachi Mitsubishi Hydro Corporation Laos Nam Ngiep 1 Power Station Reverse Regulation Station Bulb turbine and generator (18,790kW 21,500kVA 142.9min-1) started operation. |  |
| 2019 | Hitachi Mitsubishi Hydro Corporation Hokkaido Electric Power Co., Inc. Takami Power Station Unit No.2 Deriaz type pump turbine and generator-motor (126,000kW 128,500kVA 231±23min-1) started operation. *Major renovation of adjustable-speed pumped storage power plant |  |
| 2020 | Hitachi Mitsubishi Hydro Corporation Kansai Electric Power Co., Inc. Okawachi Power Station Unit No.4 generator-motor (395,000kVA 330-390min-1) started operation. *Major renovation of adjustable-speed pumped storage power plant |  |
