Abstract
One of the main sources of clean electricity in the civilian power grid comes from light water reactors (LWRs). Some of these LWRs are being decommissioned prematurely because they may not be economically sustainable. It is proposed that the use of accident-tolerant fuel concepts may enable for LWR plant operation extension by making them safer and more economically competitive to operate. For example, the use of iron-chromium-aluminum (FeCrAl) alloys for the cladding of the fuel would not only reduce the risk of catastrophic reaction between the cladding and its environment in the case of a loss of coolant accident situation but also, for example, allow for higher fuel burnup during normal plant operation.
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