Onagawa Nuclear Power Plant, Nuclear power plant in Onagawa and Ishinomaki, Japan
The power station spans 1,730,000 square meters along the Pacific Ocean coast, featuring three reactor units with a total capacity of 2,174 megawatts.
The facility demonstrated exceptional resilience during the 2011 earthquake and tsunami, with its 14-meter seawall protecting the infrastructure from severe flooding.
The plant's location on Oshika Peninsula connects industrial development with traditional Japanese coastal landscapes near Minami Sanriku Kinkazan Quasi-National Park.
After 13 years of inactivity and extensive safety upgrades following the 2011 disaster, reactor number 2 resumed operations in October 2024.
During the 2011 catastrophe, the facility provided shelter to local residents in its gymnasium, distributing essential supplies to the community.
Location: Onagawa
Location: Ishinomaki
Inception: 1970
Website: https://tohoku-epco.co.jp/electr/genshi/npi/onag-e.htm
GPS coordinates: 38.40111,141.49972
Latest update: May 26, 2025 21:55
This collection brings together nuclear power plants that have shaped the history of civilian nuclear energy. Some experienced accidents that changed the world’s view of nuclear energy. Chernobyl in Ukraine remains a symbol of the 1986 disaster, while Fukushima in Japan showed the risks of natural events. Three Mile Island in Pennsylvania paused the building of new reactors in the US for many years. Other sites are among the largest in the world, like Kashiwazaki-Kariwa in Japan or Bruce in Canada. Many places are facing challenges today, such as the Zaporijia plant in Ukraine. The collection also includes projects that tried to push the technical limits of this energy. Superphénix in France and Monju in Japan explored new types of reactors, with mixed results. Some facilities, like Bataan in the Philippines, were never operational despite being fully built. Others, like Oyster Creek or Tokai, helped start nuclear work in their countries. From Siberia to the United Arab Emirates, from Canada to India, these sites tell stories about energy choices, technical progress, failures, and questions that have surrounded this source of power for more than sixty years.
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