Tennessee Valley Authority engages in the production and sale of electricity in the United States. It generates power from coal-fired, nuclear, hydroelectric facilities, and combustion turbine and diesel generators. The company sells power at wholesale to distributor customers comprising municipalities and cooperatives that resell the power to their customers at a retail rate. It also supplies power directly to federal agencies and customers with large or unusual loads, as well as customers with whom it has entered into exchange power arrangements. As of September 30, 2008, it operated various power generating facilities, including 29 conventional hydroelectric sites, 1 pumped storage hydroelectric site, 11 coal-fired sites, 3 nuclear sites, 11 combustion turbine sites, 2 diesel generator sites, 1 wind energy site, 1 digester gas site, 1 biomass cofiring site, and 15 solar energy sites. The company supplies power in Tennessee, northern Alabama, northeastern Mississippi, and southwestern Kentucky and in portions of northern Georgia, western North Carolina, and southwestern Virginia to approximately nine million customers. It also manages the Tennessee River and its tributaries for various river-system purposes, such as navigation; flood damage reduction; power generation; environmental stewardship; shoreline use; and water supply for power plant operations, consumer use, recreation, and industry. The company was founded in 1931 and is based in Knoxville, Tennessee. Address:
TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments. The Hydro segment holds interest of approximately 922 megawatts (MW) of owned hydroelectric generating capacity located in Alberta, British Columbia, and Ontario. The Wind and Solar segment has a net ownership interest of approximately 2,057 MW of owned wind and solar electrical-generating capacity, as well as battery storage facilities located in Alberta, Ontario, New Brunswick, and Québec in Canada; the states of Massachusetts, Minnesota, New Hampshire, North Carolina, Pennsylvania, Washington, and Wyoming in the United States; and the state of Western Australia. The Gas segment has a net ownership interest of approximately 2,775 MW of owned gas electrical-generating capacity, and facilities located in Alberta, Ontario, Michigan, and the state of Western Australia. The Energy Transition segment has a net ownership interest of approximately 671 MW of owned coal electrical-generating capacity, as well as operates the Skookumchuck hydro facility in Centralia; and engages in the highvale mine and the mine reclamation activities. The Energy Marketing segment is involved in the trading of power, natural gas, and environmental products. It serves customers in various industry segments, including commercial real estate, municipal, manufacturing, industrial, hospitality, finance, and oil and gas. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada. Address: TransAlta Place, Calgary, AB, Canada, T2G 1B1
Southwest Gas Holdings, Inc., through its subsidiaries, distributes and transports natural gas in Arizona, Nevada, and California. The company operates through Natural Gas Distribution, Utility Infrastructure Services, and Pipeline and Storage segments. It also provides trenching, installation, and replacement of underground pipes, as well as maintenance services for energy distribution systems. As of December 31, 2023, it had 2,226,000 residential, commercial, industrial, and other natural gas customers. Southwest Gas Holdings, Inc. was incorporated in 1931 and is headquartered in Las Vegas, Nevada. Address: 8360 South Durango Drive, Las Vegas, NV, United States, 89193-8510
Stem, Inc. operates as a digitally connected, intelligent, and renewable energy storage network provider worldwide. The company offers energy storage hardware sourced from original equipment manufacturers (OEMs); edge hardware to aid in the collection of site data and real-time operation and control of the site and other optional equipment; and Athena, a software platform, which offers battery hardware and software-enabled services to operate the energy storage systems. It serves commercial and industrial enterprises, independent power producers, renewable project developers, and utilities and grid operators. The company was incorporated in 2009 and is headquartered in San Francisco, California. Address: 100 California Street, San Francisco, CA, United States, 94111
Sempra operates as an energy infrastructure company in the United States and internationally. It operates through three segments: Sempra California, Sempra Texas Utilities, and Sempra Infrastructure. The Sempra California segment provides electric services; and natural gas services to San Diego County. As of December 31, 2023, it offered electric services to approximately 3.6 million population and natural gas services to approximately 3.3 million population that covers 4,100 square miles. This segment owns and operates a natural gas distribution, transmission, and storage system that supplies natural gas. As of December 31, 2023, it serves a population of 21 million covering an area of 24,000 square miles. The Sempra Texas Utilities segment engages in the regulated electricity transmission and distribution. As of December 31, 2023, its transmission system included 18,298 circuit miles of transmission lines; 1,257 transmission and distribution substations; interconnection to 173 third-party generation facilities totaling 54,277 MW; and distribution system included approximately 4.0 million points of delivery and consisted of 125,116 miles of overhead and underground lines. The Sempra Infrastructure segment develops, builds, operates, and invests in energy infrastructure to help enable the energy transition in North American markets and worldwide. The company was formerly known as Sempra Energy and changed its name to Sempra in May 2023. Sempra was incorporated in 1996 and is based in San Diego, California. Address: 488 8th Avenue, San Diego, CA, United States, 92101
Spire Inc., together with its subsidiaries, engages in the purchase, retail distribution, and sale of natural gas to residential, commercial, industrial, and other end-users of natural gas in the United States. The company operates through three segments: Gas Utility, Gas Marketing, and Midstream. It is also involved in the marketing of natural gas and related services; and transportation and storage of natural gas. In addition, the company engages in the operation of propane through its propane pipeline, risk management, and other activities. The company was formerly known as The Laclede Group, Inc. and changed its name to Spire Inc. in April 2016. Spire Inc. was founded in 1857 and is based in Saint Louis, Missouri. Address: 700 Market Street, Saint Louis, MO, United States, 63101
Suburban Propane Partners, L.P., through its subsidiaries, engages in the retail marketing and distribution of propane, renewable propane, fuel oil, and refined fuels in the United States. The company operates through four segments: Propane, Fuel Oil and Refined Fuels, Natural Gas and Electricity, and All Other. The Propane segment is involved in the retail distribution of propane for space heating, water heating, cooking, and clothes drying for use as a motor fuel in internal combustion engines to power over-the-road vehicles, forklifts, and stationary engines, as well as to fire furnaces as a cutting gas to the industrial customers; and for tobacco curing, crop drying, poultry brooding, and weed control in the agricultural markets. It also engages in the wholesale distribution of propane to industrial end users. Its Fuel Oil and Refined Fuels segment engages in the retail distribution of fuel oil, diesel, kerosene, and gasoline to residential and commercial customers for use in primarily as a source of heat in homes and buildings. The Natural Gas and Electricity segment markets natural gas and electricity to residential and commercial customers in the deregulated energy markets in New York and Pennsylvania. The All Other segment sells, installs, and services a range of home comfort equipment, including whole-house heating products, air cleaners, humidifiers, and space heaters. The company serves residential, commercial, industrial, and agricultural customers primarily in the east and west coast regions of the United States, as well as portions of the Midwest region of the United States and Alaska. Suburban Propane Partners, L.P. was founded in 1945 and is based in Whippany, New Jersey. Address: 240 Route 10 West, Whippany, NJ, United States, 07981-0206
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. The company also develops, constructs, acquires, owns, and manages power generation assets, including renewable energy 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, gas distribution operations, and gas pipeline investments operations. In addition, it owns and operates nuclear, coal, hydro, cogeneration, solar, wind, battery storage, and fuel cell facilities. Further, the constructs, operates, and maintains approximately 77,900 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 8.9 million electric and gas utility customers. Further, it develops distributed energy and resilience solutions; deploys microgrids for commercial, industrial, governmental, and utility customers; and offers digital wireless communications and fiber optics services. The Southern Company was incorporated in 1945 and is headquartered in Atlanta, Georgia. Address: 30 Ivan Allen Jr. Boulevard, NW, Atlanta, GA, United States, 30308
SJW Group, through its subsidiaries, provides water utility and other related services in the United States. It operates in Water Utility Services and Real Estate Services segments. The company engages in the production, purchase, storage, purification, distribution, wholesale, and retail sale of water and wastewater services; and supplies groundwater from wells, surface water from watershed run-off and diversion, reclaimed water, and imported water purchased from the Santa Clara Valley Water District. It also offers non-tariffed services, including water system operations, maintenance agreements, and antenna site leases; contracted services, sewer operations, and other water related services to water utilities; and a Linebacker protection plan for public drinking water customers in Connecticut and Maine. In addition, the company provides water service to approximately 232,400 connections that serve approximately one million people residing in portions of the cities of San Jose and Cupertino and in the cities of Campbell, Monte Sereno, Saratoga, and the Town of Los Gatos; adjacent unincorporated territories in the County of Santa Clara in the State of California; water service to approximately 141,000 service connections, which serve approximately 461,000 people in 81 municipalities with a service area of approximately 272 square miles in Connecticut and Maine and approximately 3,000 wastewater connections in Southbury, Connecticut; approximately 28,000 service connections that serve approximately 83,000 people in a service area comprising approximately 271 square miles in the region between San Antonio and Austin, Texas; and approximately 950 wastewater connections. Further, it owns undeveloped land in California and Tennessee; commercial and warehouse properties in Tennessee; and commercial properties and parcels of land in Connecticut. The company was formerly known as SJW Corp. and changed its name to SJW Group in November 2016. SJW Group was incorporated in 1985 and is headquartered in San Jose, California. Address: 110 West Taylor Street, San Jose, CA, United States, 95110
Companhia de Saneamento Básico do Estado de São Paulo - SABESP provides basic and environmental sanitation services in the São Paulo State, Brazil. The company supplies treated water and sewage services to residential, commercial, and industrial private customers, as well as public. As of December 31, 2023, it provided water services through 10.3 million water connections; and sewage services through 8.8 million sewage connections in 376 municipalities of the São Paulo State. The company was founded in 1954 and is headquartered in São Paulo, Brazil. Address: Rua Costa Carvalho, nº 300, São Paulo, SP, Brazil, 05429-900