Construction at Marble Hill began in 1977 and ended in 1984 , when the Public Service Company of Indiana ( PSI ) , now Duke Energy , abandoned the half-finished nuclear power plant . With $ 2.5 billion spent and , as the most expensive nuclear construction project ever abandoned , Marble Hill was a devastating setback for the troubled nuclear power industry , which saw more than 100 plant cancellations following the Three Mile Island accident near Harrisburg , Pennsylvania , in March 1979 . On March 18 , 2005 demolition of the unfinished facility began . Long before 1984 , Marble Hill had been a controversial enterprise . During 1978 and 1979 , regional Ohio Valley environmental advocacy group The Paddlewheel Alliance staged two non-violent " occupations " of the PSI property . As ongoing local support dwindled , Marble Hill 's fate rested with Indiana 's State government and PSI sought state funding guarantees for Construction Work in Progress ( CWIP )
Three Mile Island accident
Three Mile Island accident
Marble Hill Nuclear Power Plant