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It costs more to obtain the fuel
A nuclear station uses the energy from nuclear fission to generate power, but fossil fuel stations burn fossil fuels that release CO2 into the atmosphere, instead of the steam that nuclear plants produce. Therefore, nuclear power is more enviormental friendly, though it has some very radioactive waste products that can be harmful if not disposed properly.
The plan to reduce energy costs are to switch from fossil fuel to nuclear energy because nuclear energy can be recycled to help the earth so it doesn't pollute! Plus their is more nuclear energy than fossil fuel so therefore you pay less.
Estimates on uranium resources vary from a few decades to a hundred years or more. The use of the material can be extended by recycling and processing, or by using newer technology. Thorium has not been used for nuclear power, but could be. There is enough thorium to power the world, at current levels of demand, for several thousand years at least. There are also thorium power technologies that give promise of producing very little waste, and possibly even of consuming the old nuclear waste and rendering it inert.
The plant could melt down.
spent nuclear fuel
Nuclear fuel for nuclear reactors, more than 98 %.
The Sun gets its energy from nuclear reactions; it has enough fuel to continue shining for a few billion years more.
Uranium dioxide (UO2) is more suitable as nuclear fuel for commercial nuclear reactors than uranium metal.
In breeder nuclear fission more fuel is produced than what consumed. In conventional nuclear fission less fuel is produced than what is consumed.
Today thorium is used as nuclear fuel only in India; very probable the future will be different.
Billions
Uranium is more expensive, but the kWh in a nuclear power plant is more cheaper.
Nuclear energy is not renewable. There is a fixed amount of potential fuel on the earth. Once it is used, there will be no more.
A breeder reactor generates (in a way) new fuel, sometimes more fuel than it uses, by converting non-fissionable isotopes into fissionable isotopes, through neutron capture.
Cheaper, More energy than fossil fuel, Better for the air
a fission nuclear reactor -binky