What are the disadvantages of generating electricity with nuclear power?

Nuclear power plants contain highly dangerous radioactive materials and if there is an accident these materials could be released into the environment. At the end of its life, a nuclear power plant has to be decommissioned or dismantled which can take up to many years and is extremely expensive. During the life and after decommissioning of nuclear power plants, generate large amounts of highly dangerous radioactive waste which must be stood for thousands of years before it’s safe