Conventional nuclear power plants usually consist of more than one reactor, each having a generating capacity of 1,000 megawatts or so. The Palo Verde plant in Arizona has a 3,300 MW capacity.

APS, which operates Palo Verde, will spearhead the effort. Smaller modular nuclear reactors are among the possibilities, perhaps to be located on the site of an abandoned coal plant. The five ...

The employee was on his way to work at the Palo Verde Nuclear Generating Station in ... Before you get to that reactor, you have to get through a whole lot of security," he said.