Floating Nuclear Plants Could Ride Out Tsunamis

April 17, 2014 by Energy @ MIT

Floating Nuclear Plants

When an earthquake and tsunami struck the Fukushima Daiichi nuclear plant complex in 2011, neither the quake nor the inundation caused the ensuing contamination. Rather, it was the aftereffects, the lack of cooling for the reactor cores due to a shutdown of all power, that caused the harm.[read more]

Nuclear Energy Restart: New Tsunami Safety Measures in Japan

March 2, 2013 by Joseph Koblich

The approach of the second anniversary of the Great East Japan Earthquake of March 2011 finds nuclear energy in Japan at a crossroads.[read more]

Deaths from Nuclear Energy Compared with Other Causes

February 26, 2013 by Willem Post

My first reaction to the aerial photos of Fukushima was: why did they put the auxiliary transformers, that provide power to the plant, and the emergency diesel-generators, that provide power to the auxiliary transformers, on the OCEAN side?[read more]

The Discussion Continues: Nuclear Power in Japan

November 29, 2011 by Karen Street

This began as an answer to one letter writer in Friends Journal, and grew. The information that surprised me most is the answer to this question: How does the danger from the Fukushima Daiichi reactors compare to other health dangers, such as Tokyo pollution? ************** There were a number of responses to Earthquake, Tsunami, and...[read more]

TEPCO Concedes Severe Fuel Damage at Fukushima

May 17, 2011 by Dan Yurman

For the first time utility says fuel has "melted" and may be "crumbled" at bottom of the reactor pressure vessel for reactor 1 The fuel assemblies in Fukushima reactor unit 1 are only partially covered by water. A TEPCO spokesman, Junichi Matsumoto, told a press conference in Tokyo Thursday May 12 that plant workers have poured enough...[read more]

Post-Fukushima Nuclear Power

April 14, 2011 by Lou Grinzo

Worldwatch Institute has made the draft version of their report, “Nuclear Power in a Post-Fukushima World”, freely available. From the announcement page: The future of nuclear power was bleak even before the Fukushima disaster, said energy expert Mycle Schneider Wednesday at a press conference in Berlin, where he previewed an upcoming...[read more]

As Fukushima Gets Moved From 5 to 7, Remember That 0 (Deaths) Is Still An Applicable Number

April 12, 2011 by Rod Adams

The overreaction and stoked fears about the events at Fukushima continues. One month ago today, I wrote an article titled Nuclear plant issues in Japan are the least of their worries that exposed my ignorance of the differences between various kinds of containment designs and was a bit too optimistic about the eventual releases of...[read more]

Fukushima Rated At INES Level 7 - What Does This Mean?

April 12, 2011 by Barry Brook

Hot in the news is that the Fukushima Nuclear crisis has been upgraded from INES 5 to INES 7. Note that this is not due to some sudden escalation of events today (aftershocks etc.), but rather it is based on an assessment of the cumulative magnitude of the events that have occurred at the site over the past month (my most...[read more]

Fukushima Daiichi Nuclear Saga – 2 to 9 April Overview

April 9, 2011 by Barry Brook

The nuclear crisis at Fukushima Daiichi has, alas, now evolved into more of a saga. The last seven days of events has been acted out in slow motion compared to the first dramatic week (dating back to almost a month ago), but there continues to be plenty of headaches for TEPCO — and no clear sign of things being locked down any time soon...[read more]

Fukushima Nuclear Crisis News Update For April 9, 2011

April 8, 2011 by Dan Yurman

Japan considers wider evacuation zone, but water leak is stopped at reactor site The Wall Street Journal reports that the Japanese government is considering extending the evacuation zone around the devastated Fukushima nuclear reactor complex. According to the newspaper, the government is recalculating the risk of radioactivity that...[read more]

FEPC Fukushima Reactor Status Update For April 8, 2011

April 8, 2011 by Dan Yurman

Update to Information Sheet Regarding the Tohoku Earthquake The Federation of Electric Power Companies of Japan (FEPC) Washington DC Office As of 12:00PM (EST), April 8, 2011 Radiation LevelsThe concentration of radioactive nuclides from the seawater sampled at the screen device (installed to remove waste before the...[read more]

Fukushima reactor status news for 2011 04 01

April 1, 2011 by Dan Yurman

Update to Information Sheet Regarding the Tohoku Earthquake Source: The Federation of Electric Power Companies of Japan (FEPC) Washington DC Office As of 11:00AM (EST), April 1, 2011 · Radiation Levels o At 7:00PM (JST) on April 1, radiation level at main gate (approximately 3,281 feet from Unit 2 reactor building) of Fukushima Daiichi...[read more]

Fukushima Reactor Status News for 03 31 2011

March 31, 2011 by Dan Yurman

(NucNet from World Nuclear Organization did not publish this morning) Source: The Federation of Electric Power Companies of Japan (FEPC) Washington DC Office As of 11:00AM (EST), March 31, 2011 Radiation Levels At 8:51AM (JST) on March 31, it was announced that radioactive nuclide I-131  was detected from the seawater...[read more]

Fukushima Dai-ichi: The Good, the Bad and the Ugly

March 31, 2011 by Charles Barton

The Fukushima Dai-ichi crisis is like a horror movie, in which a very bad man, the very embodiment of evil goes on and on committing evil deeds. Nothing the victims and potential victims do to stop him is in the slightest effective. Yet despite the almost the insatiable deprivations of the bad guy, almost no one dies, although the...[read more]

Fukushima Daiichi Crisis – April 1 perspective

March 31, 2011 by Barry Brook

The Fukushima Daiichi nuclear crisis has moved off the front page of most newspapers, but a lot continues to happen, and the situation remains unresolved. Below I offer some personal perspectives on some of the things that have been widely reported over the last few days, and then I conclude with some official updates. Disclaimer: What...[read more]