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Are Small Modular Nuclear Reactors Costly and Unviable?


The Royal Institution of Australia is a national non-profit hub for science communication, publishing the science magazine Cosmos four times a year. This month they argued that small modular nuclear reactors "don't add up as a viable energy source." Proponents assert that SMRs would cost less to ...

The Royal Institution of Australia is a national non-profit hub for science communication, publishing the science magazine Cosmos four times a year.This month they argued that small modular nuclear reactors " don't add up as a viable energy source." However, when evaluated on the basis of cost per unit of power capacity, SMRs will actually be more expensive than large reactors. This 'diseconomy of scale' was demonstrated by the now-terminated proposal to build six NuScale Power SMRs (77 megawatts each) in Idaho in the United States.

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