Costs for closing nuclear plants

Companies that own nearly half the nation's 104 nuclear reactors aren't setting aside enough money as required by law to dismantle the plants and remove radioactive materials when they stop operating, and many may sit idle for decades at the risk of safety and security problems, according to an Associated Press investigation. Here are the 2009 minimum estimated costs for closing each of the nation's 104 operating nuclear power plants; the 2007 decommissioning fund balances; and the 2009 decommissioning fund balances:

Associated Press