Insights from the Three Mile Island accident—Part 1: The accident

April 29, 2022, 3:59PMNuclear NewsWilliam E. Burchill

The accident at Unit 2 of the Three Mile Island nuclear power plant on March 28, 1979, was an extremely complex event. It was produced by numerous preexisting plant conditions, many systemic issues in the industry and the Nuclear Regulatory Commission, unanticipated operator actions, previously unrecognized thermal-­hydraulic phenomena in the reactor coolant system (RCS), and the unprecedented challenge of managing a severely degraded core.

To continue reading, log in or create a free account!

Related Articles

The NRC’s Annie Caputo resigns

July 30, 2025, 7:46AMNuclear News

Commissioner Annie Caputo is resigning from the Nuclear Regulatory Commission, according to a statement sent out to staff on Tuesday morning. Her resignation comes one day after the U.S....

Palisades gets a key green light from NRC

July 28, 2025, 9:32AMNuclear News

The Palisades nuclear power plant has been formally transitioned from decommissioning status to holding an operating license following the completion of an extensive technical review by the...