Kyushu Electric Power Company has today received the third and final regulatory approval necessary for restarting units 1 and 2 of its Sendai nuclear power plant in Japan's Kagoshima prefecture.

Almost all of the contaminated water stored on the Fukushima Daiichi plant site in Japan has been treated to remove strontium, and in some cases even more nuclides, Tokyo Electric Power Company (Tepco) announced today.

Japan's nuclear regulator has approved Kyushu Electric Power Company's 'construction plan' for unit 2 of its Sendai nuclear power plant. The company hopes to restart unit 1 of the plant in July, with unit 2 following within months.

Japan's nuclear regulator is to increase the radiation exposure limit for workers in emergency situations from the current 100 millisieverts (mSv) to 250 mSv. The limit was temporarily raised following the March 2011 accident at the Fukushima Daiichi plant.

Tokyo Electric Power Company (Tepco) today released the latest findings of an ongoing investigation into how the accident at the Fukushima Daiichi nuclear power plant unfolded. Tepco said the findings support measures being taken at the Kashiwazaki Kariwa plant, which it hopes to restart.

The third mission of international experts assembled by the International Atomic Energy Agency (IAEA) has published its final report on decommissioning progress at the damaged Fukushima Daiichi plant in Japan.

Hitachi, Mitsubishi and Toshiba and other Japanese companies are "very interested" in participating in the construction of Poland's first nuclear power plant, Yosuke Takagi, Japan's deputy economy, trade and industry minister, said yesterday following a meeting with Polish Deputy Treasury Minister Zdzislaw Gawlik.

A court had ruled against a petition opposed to the restart of units 1 and 2 of the Sendai nuclear power plant in Japan's Kagoshima prefecture. The units now look set to resume operation later this year, becoming the first of the country's reactors to be restarted since the Fukushima Daiichi accident in 2011.

The restart of units 3 and 4 of Kansai Electric Power Company's Takahama nuclear power plant, expected by the end of this year, has been blocked by a temporary injunction imposed by the Fukui District Court today. Kansai said it will appeal the ruling.

Nuclear power benefitted the Japanese economy by some ¥33 trillion over the years, said Masakazu Toyoda of the Institute of Energy Economics, Japan (IEEJ), and the country risks wasting this in its slow progress to restart its reactors.

UPDATED A shape-changing robot began surveying conditions within the primary containment vessel of the damaged unit 1 of the Fukushima Daiichi plant on 10 April. However, the robot stopped working before completing its mission.

Turkish President Recep Tayyip Erdoğan has approved parliament's ratification of an intergovernmental agreement with Japan to build a nuclear power plant at Sinop, according to a statement on his website yesterday.