Fluff "it-can't-happen-here" piece on nuclear power generation.
The Nuclear Option
By WILLIAM SWEET
Published: April 26, 2006TWENTY years ago, a huge plume of radiation spread west from the Chernobyl nuclear plant. <snip>
This kind of accident cannot happen in the so-called light water reactors used in the United States and most of Western Europe and Asia. In these reactors, the water functions not only as a coolant but as a "moderator": self-sustaining nuclear chain reactions cannot take place in its absence. This is a very useful passive safety feature. If coolant runs low, there is still a danger of a core meltdown, because the fuel retains heat; but the reactor will have automatically and immediately turned itself off.
Still, critics and opponents of nuclear energy have wondered whether utility companies are competent enough to manage anything so complex as a reactor. The question is a reasonable one. In the 1980's, some anti-nuclear groups joined with free-marketeers to promote electricity deregulation. They reasoned that if utilities were no longer guaranteed cost-plus returns on investments — the cushy sort of regulation that had prevailed for a century in the utility industry — they would stop investing in expensive nuclear power plants that were difficult to run.
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In 1986, the average American nuclear plant produced electricity barely 57 percent of the time. In 2004, the average plant was running productively more than 90 percent of the time.
This improvement has come just in time. The effects of global warming are disturbingly obvious, and yet the United States has fallen dangerously far behind its response. If we're to get into step with the world effort to reduce greenhouse gases, we are going to need to rely more, not less, on carbon-free nuclear energy.
William Sweet is the author of "Kicking the Carbon Habit: Global Warming and The Case for Renewable and Nuclear Energy."
http://www.nytimes.com/2006/04/26/opinion/26sweet.html