Japanese nuclear reactor which survived earthquake that badly damaged Fukushima power plant restarts

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A Japanese nuclear reactor which survived a massive 2011 earthquake and tsunami that badly damaged the nearby Fukushima nuclear power plant has been restarted after a safety upgrade, as the government pursues a renewed expansion of nuclear energy to pr...

TOKYO — A Japanese nuclear reactor which survived a massive 2011 earthquake and tsunami that badly damaged the nearby Fukushima nuclear power plant was restarted Tuesday for the first time since the disaster after a safety upgrade, as the government pursues a renewed expansion of nuclear energy to provide stable power and reduce carbon emissions.

The No. 2 reactor at the Onagawa nuclear power plant on Japan's northern coast was put back online and is expected to start generating power in early November, operator Tohoku Electric Power Co. said.

The reactor is one of the three at the Onagawa plant, which is 100 kilometers (62 miles) north of the Fukushima Daiichi plant where three reactors melted following a magnitude 9.0 earthquake and tsunami in March 2011, releasing large amounts of radiation.

The Onagawa plant was hit by a 13-meter (42-foot) tsunami but was able to keep its crucial cooling systems functioning in all three reactors and achieve their safe shutdowns.

All of Japan's 54 commercial nuclear power plants were shut down after the Fukushima disaster for safety checks and upgrades. Onagawa No. 2 is the 13th of the 33 still useable reactors to return to operation. It is also the first restart in Japan of the same type of reactor damaged in Fukushima.

Tohoku Electric President Kojiro Higuchi said the reactor's restart highlights the area's recovery from the disaster.

Last year, Japan's government adopted a plan to maximize use of nuclear energy, including