UPDATE 2-Exelon says 3 U.S. nuclear plants did not clear PJM capacity auction
May 24, 2018 at 14:01 PM EDT
May 24 (Reuters) - Exelon Corp, the biggest U.S. operator of nuclear power stations, said on Thursday three of its plants did not clear in the 2021-22 auction to supply the PJM grid's Mid Atlantic and Midwest region, losing out to lower-cost generators.