Ohma 1 is a 1,383MW nuclear reactor planned in Aomori, Japan. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the nuclear reactor is currently at the under construction stage. The construction on the reactor is likely to commence in May, 2010. The plant proponent is expected to achieve the first power from the reactor in 2029 and is planned for commissioning in the same year. Buy the profile here.

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Ohma 1 is a Generation III nuclear reactor being developed by Hitachi-GE Nuclear Energy and Toshiba Energy Systems and Solutions, are the main contractors for the project.

The 1,383MW reactor is currently owned and will be operated by Electric Power Development. The company has a stake of 100%.

Ohma 1 is a type of BWR reactor. It will feature 872 fuel assemblies in the core of reactor, the place where fission occurs and energy is released.

Development status

The reactor construction is expected to commence from May, 2010. Subsequent to that it will enter commercial operation by 2029.

Contractors involved

Toshiba Energy Systems and Solutions will be the steam turbine supplier for the nuclear reactor. Hitachi-GE Nuclear Energy and Toshiba Energy Systems and Solutions are expected to be the architect engineers for the reactor. The reactor system is likely to be supplied by Hitachi-GE Nuclear Energy. The reactor vessel is expected to be supplied by Hitachi-GE Nuclear Energy. The material used for the construction of the vessel will be SA508, CLASS 3.

For more details on Ohma 1, buy the profile here.

About Hitachi-GE Nuclear Energy

Hitachi-GE Nuclear Energy Ltd (Hitachi-GE), a subsidiary of Hitachi Ltd is a nuclear energy company that offers power plant construction and maintenance services. The company designs, develops, manufactures, markets, installs and maintains nuclear power products. Its products include light-water reactor equipment, nuclear fuel cycle products, fast-breeder reactor, and others. Hitachi-GE provides plants construction, plants and facilities delivery, internal pump test, multi-purpose steam source test, nuclear power plant simulator, preventive maintenance, and other services. It uses various techniques to construct nuclear power plants including the use of large crawler cranes and the prefabrication of large modules. The company operates Rokkasho reprocessing plant and spent fuel interim storage facility. Hitachi-GE is headquartered in Hitachi, Japan.

About Toshiba Energy Systems and Solutions

Toshiba Energy Systems & Solutions Corp (Toshiba ESS), a subsidiary of Toshiba Corp is a manufacturer and provider of energy systems, solutions and services. The company products include power generating turbines, generators and transformers, surge arresters, protection relays, distribution systems, insulated switch gears, instrumentation and control equipment, electrical systems, among others. It offers products in thermal power, nuclear energy, renewable energy, hydrogen energy, heavy ion radiotherapy, transmission and distribution areas. Toshiba provides services such as maintenance, power technologies, technical advisory, and monitoring support services. The company operates in Asia, Europe, North America, Africa and the Middle East. Toshiba ESS is headquartered in Kawasaki-shi, Kanagawa, Japan.

This content was updated on 22 April 2024

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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.