Southern Company Chairman and Chief Executive Officer Bill Dahlberg announced today that S. Marce Fuller has been named president and chief executive officer of Southern Energy Inc.

Southern Energy, a unit of Southern Company, is one of the world’s largest independent power producers with assets of nearly $14 billion.

Fuller, 39, has been serving as executive vice president of Southern Energy and president and CEO of affiliate Southern Company Energy Marketing. She succeeds Tom Boren, who is retiring after more than 30 years with Southern Company.

In her new role, Fuller will direct Southern Energy’s worldwide operations, which include electric power production, delivery or trading facilities in the United States, Argentina, China, the Philippines, the Bahamas, Chile, England, Germany, the Netherlands, Brazil and Trinidad and Tobago.

“Marce Fuller’s management expertise and broad experience in our industry make her uniquely qualified to lead Southern Energy’s continued growth as one of the world’s leading independent energy companies,” Dahlberg said. “She has been a key player in Southern Energy’s development and will provide the continuity we need as the company moves forward."

“We have a great depth of talent in place at Southern Energy, and that is helping us deliver on our strategy of expanding our growth in the competitive energy supply business,” Dahlberg added.

Fuller, who joined Southern Energy in 1992, had overseen the operations of Southern Company Energy Marketing, a partnership formed in 1997 by Southern Energy and Vastar Resources Inc. Southern Company Energy Marketing provides energy trading, marketing and financial services and other energy-related commodities, products and services to customers in North America.

Previously, Fuller was Southern Energy’s senior vice president of the North American division, responsible for managing the development and acquisition of power generation assets as well as oversight of the management and operations of assets and business units in North America.

From 1992 to 1994, Fuller served as international project director, responsible for business development activities in Latin America, the Caribbean, Australia and New Zealand.

Before joining Southern Energy, Fuller served as assistant to the chief executive officer of Southern Company Services from 1989 to 1992. She began her career with Southern Company in 1985 as a staff engineer at Alabama Power.

Fuller earned a bachelor’s degree in electrical engineering from the University of Alabama in 1983 and a master’s degree in power system engineering from Union College in 1984.

Southern Company (NYSE: SO) is an international energy company with more than $35 billion in assets through regional utilities and operations around the world. It is the largest producer of electricity in the United States and one of the world’s leading independent power producers. Based in Atlanta, Southern Company is the parent firm of Alabama Power, Georgia Power, Gulf Power, Mississippi Power and Savannah Electric. Through its Southern Energy subsidiary, Southern Company supplies electricity in 10 countries on four continents and has a growing presence in North America with assets in the Northeast, the Midwest, California and Texas. Southern Company also provides energy-related marketing, trading and technical services in the United States and Europe and offers Southern LINC wireless telecommunications.