Marble Hill Nuclear Power Plant, former unfinished nuclear power plant in Jefferson County, Indiana
Marble Hill Nuclear Power Plant is an unfinished nuclear power facility in Indiana along the Ohio River designed to house two reactors generating over 2,000 megawatts of power. Today it is marked by concrete foundations, empty towers, and remaining structures after construction stopped in 1984, with most buildings demolished since the early 2000s.
Construction began in 1977 under Public Service Company of Indiana with plans to invest 2.8 billion dollars in the facility. After the Three Mile Island accident in 1979, safety concerns intensified, and combined with rising costs and construction delays, work was abandoned in 1984.
The name Marble Hill comes from the limestone beneath the site, which reminded early settlers of white marble from Italy. This connection to geology and pioneer heritage shaped how the local community understood and named the landscape where industry would later arrive.
The site covers nearly 1,000 acres along the Ohio River and is today mostly empty with demolished structures scattered across the landscape. Access is restricted and safety concerns mean the site is not freely accessible to the public without permission.
At peak construction, about 8,000 workers labored on site, yet a former employee revealed that concrete with air pockets had been used, which would have compromised safety if the plant operated. These quality defects contributed to delays and undermined confidence in the entire project.
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