Compare · SO vs TAC
SO vs TAC
Side-by-side comparison of Southern Company (SO) and TransAlta Corporation (TAC): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both SO and TAC operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
- SO is the larger of the two at $108.40B, about 27.5x TAC ($3.94B).
- Over the past year, SO is up 2.9% and TAC is up 9.5% - TAC leads by 6.6 points.
- SO has been more active in the news (3 items in the past 4 weeks vs 2 for TAC).
- SO has more recent analyst coverage (25 ratings vs 14 for TAC).
Southern Company
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. It operates in four segments: Gas Distribution Operations, Gas Pipeline Investments, Wholesale Gas Services, and Gas Marketing Services. The company also constructs, acquires, owns, and manages power generation assets, including renewable energy and battery energy storage projects and sells electricity in the wholesale market; and distributes natural gas in Illinois, Georgia, Virginia, and Tennessee, as well as provides gas marketing services, wholesale gas services, and gas pipeline investments operations. It owns and/or operates 30 hydroelectric generating stations, 24 fossil fuel generating stations, 3 nuclear generating stations, 13 combined cycle/cogeneration stations, 44 solar facilities, 13 wind facilities, 1 fuel cell facility, and 1 battery storage facility; and constructs, operates, and maintains 75,924 miles of natural gas pipelines and 14 storage facilities with total capacity of 157 Bcf to provide natural gas to residential, commercial, and industrial customers. The company serves approximately 8.6 million electric and gas utility customers. It also provides products and services in the areas of energy efficiency, and utility infrastructure. In addition, the company offers digital wireless communications and fiber optics services. The Southern Company was incorporated in 1945 and is headquartered in Atlanta, Georgia.
TransAlta Corporation
TransAlta Corporation owns, operates, and develops a diverse fleet of electrical power generation assets in Canada, the United States, and Australia. It operates through six segments: Hydro, Wind and Solar, North American Gas, Australian Gas, Alberta Thermal, and Centralia. The company owns and operates hydro, wind and solar, natural gas-fired, and coal-fired facilities. It also engages in wholesale trading of electricity and other energy-related commodities and derivatives; and related mining operations and natural gas pipeline operations. The company serves municipalities, medium and large industries, businesses, and utility customers. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada.
Latest SO
- Georgia Power reaffirms longstanding commitment to make growth work for customers with Customer Protection Pledge
- Georgia Power continues to offer options to connect customers to solar
- Southern Company second-quarter 2026 earnings to be released July 30
- Georgia's Plant Hatch receives 20-year license renewal from the Nuclear Regulatory Commission
- Georgia Power encourages customers to prepare for hurricane season
- Georgia Power names Anthony Oni as vice president of Corporate Affairs
- Georgia PSC approves plan to lower overall rates, deliver annual savings of $50 per year for Georgia Power residential customers
- Beth Lowry named to Georgia Power Board of Directors
- Georgia Power shares tips, tools and free resources to reduce energy use this summer
- Georgia Natural Gas® Reaches 1 Billion Pounds of Carbon Offsets Through Greener Life®
Latest TAC
- SEC Form 6-K filed by TransAlta Corporation
- TransAlta to Host Second Quarter 2026 Results Conference Call
- SEC Form 6-K filed by TransAlta Corporation
- Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for Additional 90 Days
- BMO Capital Markets resumed coverage on TransAlta
- TD Cowen resumed coverage on TransAlta
- SEC Form 6-K filed by TransAlta Corporation
- SEC Form 6-K filed by TransAlta Corporation
- TransAlta Announces Closing of $350 Million Bought Deal Offering of Common Shares
- SEC Form 6-K filed by TransAlta Corporation