William Freebairn, S&P Global, August 10, 2018

When Exelon's Oyster Creek nuclear unit disconnects from the grid at the end of September and permanently shuts, it will mark the start of a busy period of US nuclear power plant closures driven by low power prices that are placing dozens more units at risk.
https://www.spglobal.com/platts/en/market-insights/latest-news/electric-power/081018-us-nuclear-units-shut-as-low-power-prices-threaten-more-retirements