NUCLEAR POWER

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  • Nuclear power is the use of nuclear reactions that release nuclear energy to generate heat, which is most frequently is then used in steam turbines to produce electricity in a nuclear power plant. Nuclear power can be obtained from nuclear fission of uranium and plutonium. Nuclear decay processes are used in niche applications such as radioisotope thermoelectric generators. Generating electricity fro fusion power remains at the focus of international research. This article deals with nuclear fission power for electricity generation.
  • Civilian nuclear power supplied 2,586 terawatt hours of electricity in 2019, equivalent to about 10% of global electricity generation, and was the second largest low – carbon power source after hydroelectricity. As of December 2020, there are 441 civilian fission reactors in the world, with a combined electrical capacity of 392 gigawatt. There are also 54 nuclear power reactors under construction and 98 reactors planned, with a combined capacity of 60 GW and 103 GW, respectively. The united states has the largest fleet of nuclear reactors, generating over 800 TWh zero – emissions electricity per year with an average capacity factor of 92%. Most reactors under construction are generation III reactors in Asia.
  • Nuclear power has one of the lowest levels of facilities per unit of energy generated compared to other energy sources. Coal, petroleum, natural gas and hydroelectricity each have caused more fatalities per unit of energy due to air pollution and accidents. Since its commercialization in the 1970s, nuclear power has prevented about 1.84 million air pollution – related deaths and the emission of about 64 billion tonnes of carbon dioxide equivalent that would have otherwise resulted from the burning of fossil fuels.
  • Accidents in nuclear power plants include the Chernobyl disaster in the Solvent Union 1986. the fukushima dallchi nuclear disaster in japan in 2011, and the more contained Three mile Island accident in the united states in 1979.
  • There is a debate about nuclear power. Proponents, such as the world nuclear association and environmentalists for nuclear energy, contend that nuclear power is a safe, sustainable energy source that reduces carbon emissions. Nuclear power opponents, such as Greenpeace and NIRS, contend that nuclear power poses many threats to people and the environment.

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