Researchers prepare for exascale supercomputer simulations of nuclear reactors

Nuclear energy is responsible for approximately one-fifth of total electricity used in the U.S., and nearly half of the country's renewable electricity. Most of the reactors generating this electricity were built decades ago. The construction of new nuclear reactors that use advanced technologies and processes could help grow the amount of carbon-free electricity the nuclear power industry produces and help the U.S. progress toward a net zero economy.