PNM vs SO

PNM Resources Inc. (Holding Co.)

PNM Resources, Inc., through its subsidiaries, provides electricity and electric services in the United States. It operates through Public Service Company of New Mexico (PNM) and Texas-New Mexico Power Company (TNMP) segments. The PNM segment engages in the generation, transmission, and distribution of electricity. It generates electricity using coal, natural gas and oil, nuclear fuel, solar, wind, and geothermal energy sources. As of December 31, 2020, this segment had owned or leased facilities with a total net generation capacity of 2,168 megawatts; and owned 3,389 miles of electric transmission lines, 6,077 miles of distribution overhead lines, 5,962 miles of underground distribution lines, and 255 substations. It also owns and leases office and other equipment, office space, vehicles, and real estate. The TNMP segment provides regulated transmission and distribution services. As of December 31, 2020, this segment owned 983 miles of overhead electric transmission lines, 7,282 miles of overhead distribution lines, 1,348 miles of underground distribution lines, and 110 substations. It also owns and leases vehicles, service facilities, and office locations throughout its service territory. The company serves approximately 800,000 homes and businesses in New Mexico and Texas. PNM Resources, Inc. was incorporated in 1917 and is headquartered in Albuquerque, New Mexico.

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.