Small, nearly meltdown-proof nuclear reactors are receiving a big boost from the U.S. Department of Energy. The department will give a company in Corvallis, Oregon, as much as $226 million to develop so-called “small modular reactors,” which can be used with many local power grids that can’t accommodate conventional nuclear reactors.

Because of the extremely low likelihood of meltdown, the next-generation, small-scale reactors are safer than many currently operating reactors, engineers say. The company, NuScale Power, plans to encase their reactors in something akin to a large thermos, which would sit at the bottom of a pool. If a reactor fails and threatens to overheat, the container would fill with water and remove excess heat without pumps or valves, which can sometimes fail.

The Energy Department’s investment is the second one in a $452 million, multi-year program to accelerate the development of such reactors. The reactor designs use water as a coolant, which is technologically conservative and increases the likelihood that the small modular reactors would be approved by the Nuclear Regulatory commission, The New York Times reports.

Article appearing courtesy Yale Environment 360.


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Yale Environment 360 is an online magazine offering opinion, analysis, reporting and debate on global environmental issues. We feature original articles by scientists, journalists, environmentalists, academics, policy makers, and business people, as well as multimedia content and a daily digest of major environmental news. Yale Environment 360 is published by the Yale School of Forestry & Environmental Studies and Yale University. We are funded in part by the Gordon and Betty Moore Foundation and by the John D. and Catherine T. MacArthur Foundation. The opinions and views expressed in Yale Environment 360 are those of the authors and not of the Yale School of Forestry & Environmental Studies or of Yale University.

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