According to some commentators , the 1979 accident at Three Mile Island ( TMI ) played a major part in the reduction in the number of new plant constructions in many other countries . According to the NRC , TMI was the most serious accident in " U.S. commercial nuclear power plant operating history , even though it led to no deaths or injuries to plant workers or members of the nearby community . " The regulatory uncertainty and delays eventually resulted in an escalation of construction related debt that led to the bankruptcy of Seabrook 's major utility owner , Public Service Company of New Hampshire . At the time , the fourth largest bankruptcy in United States corporate history
accident at Three Mile Island
Three Mile Island accident
Nuclear power