Ikata Nuclear Power Plant 1.98

The Ikata Nuclear Power Plant is a nuclear power plant in the town of Ikata in the Nishiuwa District of Ehime Prefecture, Japan. It is the only nuclear plant on the island of Shikoku. It is owned and operated by the Shikoku Electric Power Company. The plant was shut down along with all other nuclear plants in Japan following the Fukushima Daiichi nuclear disaster. Unit 3 was reactivated using plutonium-uranium mixed oxide fuel on 12 August 2016 and began providing electricity to the grid three days later.The plant is on a site with an area of 860,000m2; 47% of the plant site is green, in comparison the non-nuclear plants Shikoku Electric operates are 13.8, 20.1, 21.2 and 45.5%.Important eventsAccidentsOn March 3, 2004 there was a coolant leak in Unit 3.Technical achievementsOn August 13, 2003 the maximum burnup for spent fuel was changed from 48,000 MWd/ton to 55,000 MWd/ton.In January 2006 Mitsubishi Heavy Industries announced the completion of the replacement of the internal structure of the No.1 reactor. It was the world's first all-in-one extraction and replacement of the core internals of a PWR reactor. The upper and lower internals of the reactor were replaced in order to accommodate more control rods and allow for higher fuel burnup.