Service Territory

Service Territory

Our Subsidiaries

Southern Company now operates 7 regulated utilities serving 9 million customers in six states. In addition, we own a growing competitive generation business, a nationally recognized provider of customized energy solutions, natural gas storage facilities and mobile communication and fiber optics businesses.

Learn more about our major subsidiaries below.

Alabama

  • Alabama Power serves over 1.4 million customers with more than 84,000 miles of power lines and more than 12,000 MW of electric generating capacity.
  • Southern Power owns more than 3,170 MW of natural gas generating capacity.

California

  • Central Valley Gas Storage owns 11 Bcf of natural gas storage capacity.
  • Southern Power owns or operates more than 1,290 MW of solar generating capacity and 2 MW of battery storage.

Delaware

  • Southern Power owns or operates more than 27 MW of fuel cell generating capacity.

Florida

  • Pivotal LNG has a natural gas liquefaction capacity of 120,000 gallons per day.

Georgia

  • Atlanta Gas Light serves more than 1.5 million customers with 32,600 miles of natural gas pipelines and 6.1 Bcf of storage capacity.
  • Georgia Power serves over 2.6 million customers with 88,000 miles of power lines and approximately 15,000 MW of electric generating capacity.
  • Southern Power owns or operates more than 2,900 MW of natural gas and solar generating capacity.
  • Georgia-based Southstar Energy Services offers quality natural gas products and services.
  • SouthernLINC Wireless operates a 127,000-square-mile wireless communications network serving the Southeast.
  • Southern Telecom is a fiber optics company with 1,300 miles of cables installed in the Southeast.

Illinois

  • Nicor Gas serves nearly 2.2 million customers with 34,000 miles of natural gas pipelines and 150 Bcf of underground storage.

Kansas

  • Southern Power owns 200 MW of wind generating capacity.

Louisiana

  • Jefferson Island Storage & Hub owns natural gas storage capacity.

Maine

  • Southern Power owns more than 40 MW of wind generating capacity.

Mississippi

  • Mississippi Power serves approximately 188,000 customers with 7,000 miles of power lines and approximately 3,500 MW of electric generating capacity.

New Mexico

  • Southern Power owns or operates more than 85 MW of solar generating capacity.

Nevada

  • Southern Power owns or operates more than 150 MW of solar generating capacity.

North Carolina

  • Southern Power owns or operates more than 1,780 MW of natural gas and solar generating capacity in the state.
  • PowerSecure is a premier provider of distributed infrastructure, offering primarily commercial and industrial customers innovative solutions to meet their individual reliability, energy efficiency or green objectives.

Oklahoma

  • Southern Power owns more than 690 MW of wind generating capacity.

Tennessee

  • Chattanooga Gas serves 64,000 customers with 1,600 miles of natural gas pipelines and 1.2 Bcf of storage capacity.

Texas

  • Golden Triangle Storage owns 13.5 Bcf of natural gas storage capacity.
  • Pivotal LNG specializes in liquefied natural gas production, delivery and transportation.
  • Sequent Energy Management specializes in natural gas asset portfolio optimization.
  • Southern Power owns or operates a total of approximately 1,300 MW: 380 MW of solar generating capacity and 980 MW of wind generating capacity.

Virginia

  • Virginia Natural Gas serves 290,000 customers with 5,500 miles of natural gas pipelines and .75 Bcf of storage capacity.

Washington

  • Southern Power owns or operates more than 130 MW of wind generating capacity.