Mainly I believe because the light water PWR was developed for submarines and as compact a reactor as possible was required. Since then of course it (and BWR's) have been up-sized very successfully. Enriched fuel can now be made much more easily and cheaply by centrifuges than by the diffusion method, so to obtain low enriched fuel is more economical. There is also MOX available, though I don't think the US uses this.
See the discussion page as well
In everyday life (as most people define it) plutonium has no use. Its primary use is in making nuclear weapons. It can also be used as fuel in nuclear reactors instead of or in addition to uranium, but except for small mostly experimental reactors and the French standardized nuclear reactors for power plants these are almost nonexistent.
Nuclear reactors in the US are located in various states across the country. Some states with a high concentration of nuclear reactors include Illinois, Pennsylvania, and South Carolina. These reactors are typically situated near bodies of water for cooling purposes.
An artificial nuclear reactor is a device that initiates and controls a sustained nuclear chain reaction. This reaction produces heat, which is used to produce electricity in nuclear power plants. The fission process in these reactors generates energy by splitting atomic nuclei.
If it is man made, plutonium is prepared by human beings in nuclear reactors and recycling plants.
Typically, the reactors in nuclear power plants are lined with zirconium alloys, such as Zircaloy, due to their high corrosion resistance and low neutron absorption properties. This lining helps to contain and protect the nuclear fuel rods within the reactor core.
Nuclear power plants, submarines and aircraft carriers propelled by nuclear reactors. In the future, may be all sort of vehicles could have small and very protected nuclear reactors instead of today's fuel.
Sweden currently has 3 active nuclear power plants with 10 reactors.
I have put a link to the Wikipedia page, "List of nuclear reactors," below. It seems to be pretty good, and includes some reactors that are not in nuclear plants, such as research reactors.
Most plants have two reactors but some have more
As of 2021, there are 93 commercial nuclear reactors operating in 28 states in the United States. These nuclear reactors are spread across 56 nuclear power plants.
In everyday life (as most people define it) plutonium has no use. Its primary use is in making nuclear weapons. It can also be used as fuel in nuclear reactors instead of or in addition to uranium, but except for small mostly experimental reactors and the French standardized nuclear reactors for power plants these are almost nonexistent.
As of 2021, India has 22 operational nuclear reactors across seven nuclear power plants. India has plans to increase its nuclear energy capacity through the construction of additional reactors in the coming years.
There are 104 commercial nuclear power reactors in the US. See the related question below.
Uranium is now the most important nuclear fuel for nuclear power plants.
104 operating reactors
104 operating reactors
Nuclear reactors in the US are located in various states across the country. Some states with a high concentration of nuclear reactors include Illinois, Pennsylvania, and South Carolina. These reactors are typically situated near bodies of water for cooling purposes.