Entergy Corp. ( ETR) is the second-largest nuclear power plant operator in the U.S., with six facilities. As a regulated utility, it distributes power to 2.7 million customers across the Southeast. The $12 billion company's wholesale division sells power throughout the Northeast. The shares are up 1.6% this year and have an average annual return of 9.8% over 10 years, with a 4.78% projected dividend yield. Entergy gets a 3% portfolio allocation and was added Sept 16.