Since 2013, six commercial nuclear reactors in the United States have  shut down, and an additional eight reactors have announced plans to  retire by 2025. The retirement process for nuclear power plants involves  disposing of nuclear waste and decontaminating equipment and facilities  to reduce residual radioactivity, making it much more expensive and  time consuming than retiring other power plants. As of 2017, a total of  10 commercial nuclear reactors in the United States have been  successfully decommissioned, and another 20 U.S.