Southern Company is an American gas and electric utility holding company based in the southern United States. It is headquartered in Atlanta, Georgia.The company is currently the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. The company has approximately 31,300 employees.Southern Company subsidiaries are operating or developing renewable: solar, wind, and biomass facilities across the U.S., as well as the first new nuclear units in the U.S. in 30 years at Plant Vogtle near Augusta, Georgia.Three retail electric companies, Alabama Power, Georgia Power, and Mississippi Power, serve 120,000 square miles (310,000 km2) in three states. Southern Power serves wholesale electricity customers across the U.S. Southern Company Gas serves utility customers in seven states. "Our principal business is to make, move and sell energy. Those are the “whats” of our business. But it’s the “hows” that make us different. The actions of our employees are what truly define us and have earned us a high level of trust among our customers, shareholders and regulators."