The energy density of uranium fuel is a million times that of fossil fuels.
Nuclear power plants can run for a year or two before refueling. Refueling involves replacing a third of the fuel assemblies and shuffling the rest.
Uranium fuel assemblies can be delivered by rail, truck, or ship — unless blockaded.
A single cargo flight can transport a year’s fuel. An operator could store years of fuel on site.
[I’d space out those fuel assemblies a bit, but there’s no moderating water.]
Nuclear power plants provide reliable energy full time.
Coal-fired plants’ coal piles can freeze solid in bad weather. Solar panels and wind turbines operate part time, eratically. Natural gas plants’ long pipelines can be disrupted. LNG requires shipping. Petroleum can fuel power plants from tanks for a few days or weeks, on islands, or when home heating takes all the natural gas. Strikes, terrorists, and wars can block fuel supplies.
Nuclear power plants provide reliable energy full time.

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