Hitachi Works

Powering the Energy Needs of Tomorrow

Hitachi Works was founded in 1930 as an electrical equipment repair and manufacturing facility. After nearly a century of developing sophisticated technologies, precision manufacturing and cutting-edge facilities, it has remained a microcosm of industrial pioneering and continues to push the envelope with societal enrichment as its primary objective.

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    • Area

      434,000 square meters

    • International Certifications

      ISO 9001 Quality Management System

      ISO 14001 Environmental Management System

Main Products

Steam Turbines


Thermal Power Steam Turbine


Nuclear Power Steam Turbine

Hydro Pump-Turbine


Hydro Pump-Turbine(commissioned product by Hitachi Mitsubishi Hydro corporation)

Gas Turbines


H-25 Gas Turbine


H-100 Gas Turbine



Thermal Power Turbine Generator


1910 Started machine manufacturing and repair business as an ancillary business of Hitachi Mine, Kuhara Mining Co., Ltd.
1912 Started product sales as Hitachi Seisakusho Kuhara Mining Co., Ltd.
1918 1,000kVA Steam Turbine Generator completed.
1920 Incorporated as Hitachi, Ltd. with ¥10 million paid-in capital.
1930 Kaigan Factory established.
1933 2.8MW Land Steam Turbine completed.
1945 Kaigan Factory destroyed.
1956 The Electrical Machinery Repair Shop was named the Initial Workshop and restored in the Kaigan Factory.
1972 The first Nuclear Turbine (138.6MW) completed.
1988 The first H-25 Type Gas Turbine (25MW class) completed.
1993 Gas Turbine Research & Development Center built.
1997 70MW Class Superconducting Generator completed.
2010 Celebrated its 100th year in business.
2011 Kaigan Factory damaged during Great East Japan Earthquake. (Declaration of full restoration made after two weeks.)
2014 Mitsubishi Hitachi Power Systems, Ltd., a joint venture company formed by Mitsubishi Heavy Industries and Hitachi, integrating thermal power generation systems and other related businesses, established. Mitsubishi Hitachi Power Systems' Hitachi Works was formed as a result.
2016 Hitachi Works Main Building Opened.
2020 Established Mitsubishi Power, Ltd.
Mitsubishi Power's Hitachi Works was formed as a result.


Address 1-1, Saiwai-cho 3-chome, Hitachi City, Ibaraki, 317-8585, Japan
Phone +81-294-20-8000
Directions Take the JR Joban Line to Hitachi Station. About 10 minutes' walk from Hitachi Station.