PJM

The retirement of coal and nuclear power plants in the U.S. over the last few years has raised concerns that the electric power industry might fail to deliver when demand for power heightens — such as during a blistering heat wave. But for the most part, that’s not the case this week as a so-called “heat dome” leaves the eastern and central parts of the U.S. sweltering with temperatures of 95 degrees or more and feeling as though it’s much hotter. (Read more)