Guests are taken on a tour of the the FPL Miami-Dade Clean Water Recovery Center (CWRC) at FPL Turkey Point Nuclear Generating Station on Wednesday, January 15, 2025, in Homestead, Fla.

Florida Power & Light, which has operated the plant’s twin nuclear reactors for more than a half-century, has been on a ten-year timeline to clean up the pollution. At the halfway point, it’s now ...