The is a nuclear power facility under construction in Ōma, Aomori, Japan. It will be operated by the Electric Power Development Company (J-Power). The reactor would be unique for Japan in that it would be capable of using a 100% MOX fuel core, as requested by the 1995 decision by the

Japanese Atomic Energy Commission The was established in 1956 and serves as the regulatory body for nuclear power in Japan. The Atomic Energy Basic Law contained a provision for its creation, and shortly after the law was enacted, the organization started activities, which are s ...

. The fuel would utilize surplus plutonium by blending it with natural uranium, reducing the total radioactivity of nuclear waste and dramatically reducing the waste's lifetime. In 2008, J-Power announced a 2.5-year delay to allow for additional work to make the plant resistant to a strong earthquake, making the operation start date in November 2014. Following the

Fukushima Daiichi nuclear disaster The was a nuclear accident in 2011 at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan. The proximate cause of the disaster was the 2011 Tōhoku earthquake and tsunami, which occurred on the afternoon of 11 March 2011 and ...

of March 2011 construction at Oma was suspended for 18 months. Work was resumed in October 2012. In March 2013, the main reactor building was at its full height. In December 2014 J-Power applied for safety checks at the Oma nuclear plant, slated for startup in 2021. In September 2016, the commissioning date was postponed again, this time to late 2023 or early 2024. In September 2018, the startup was postponed until 2026 to allow for expanded screening.

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2010 establishments in Japan Buildings and structures in Aomori Prefecture Nuclear power stations using advanced boiling water reactors Nuclear power stations in Japan Nuclear power stations with reactors under construction 2014 establishments in Japan Ōma {{Japan-powerstation-stub