A public utility company is an organization that maintains the infrastructure for a public service. Public utilities are subject to forms of public control and regulation ranging from local community-based groups to statewide government monopolies.
Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territory with 27,000 miles (43,000 km) of distribution lines.
Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving more than 3.7 million electric customers and 2.1 million natural gas customers across parts of eight states. It consists of four operating subsidiaries: Northern States Power-Minnesota, Northern States Power-Wisconsin, Public Service Company of Colorado, and Southwestern Public Service Co.
Constellation Energy Corporation is an American energy company headquartered in Baltimore, Maryland. The company provides electric power, natural gas, and energy management services. It has approximately two million customers across the continental United States.
NV Energy is a public utility which generates, transmits and distributes electric service in northern and southern Nevada, including the Las Vegas Valley, and provides natural gas service in the Reno–Sparks metropolitan area of northern Nevada. Based in Las Vegas, Nevada, it serves about 1.3 million customers and over 40 million tourists annually.
The Electric Reliability Council of Texas, Inc. (ERCOT) is an American organization that operates Texas's electrical grid, the Texas Interconnection, which supplies power to more than 25 million Texas customers and represents 90 percent of the state's electric load. ERCOT is the first independent system operator (ISO) in the United States. ERCOT works with the Texas Reliability Entity (TRE), one of six regional entities within the North American Electric Reliability Corporation (NERC) that coordinate to improve reliability of the bulk power grid.
NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity. Their portfolio includes natural gas generation, coal generation, oil generation, nuclear generation, wind generation, utility-scale generation, and distributed solar generation. NRG serves over 7 million retail customers in 24 US states including Texas, Connecticut, Delaware, Illinois, Maryland, Massachusetts, New Jersey, New York, Pennsylvania, Ohio; the District of Columbia, and eight provinces in Canada.
Sempra is a North American public utility holding company based in San Diego, California. The company is one of the largest utility holding companies in the United States with nearly 40 million consumers. Sempra's focus is on electric and natural gas infrastructure and its operating companies include: Southern California Gas Company (SoCalGas) and San Diego Gas & Electric (SDG&E) in Southern California; Oncor Electric Delivery Company in Texas; and Sempra Infrastructure, with offices in California and Texas.
A power purchase agreement (PPA), or electricity power agreement, is a long-term contract between an electricity generator and a customer, usually an utility, government or company. PPAs may last anywhere between 5 and 20 years, during which time the power purchaser buys energy at a pre-negotiated price. Such agreements play a key role in the financing of independently owned electricity generators, especially producers of renewable energy like solar farms or wind farms.
Brazil has the largest electricity sector in Latin America. Its capacity at the end of 2021 was 181,532 MW. The installed capacity grew from 11,000 MW in 1970 with an average yearly growth of 5.8% per year. Brazil has the largest capacity for water storage in the world, being dependent on hydroelectricity generation capacity, which meets over 60% of its electricity demand. The national grid runs at 60 Hz and is powered 83% from renewable sources. This dependence on hydropower makes Brazil vulnerable to power supply shortages in drought years, as was demonstrated by the 2001–2002 energy crisis.
PECO, formerly the Philadelphia Electric Company, is an energy company founded in 1881 and incorporated in 1929. It became part of Exelon Corporation in 2000 when it merged with Commonwealth Edison's holding company Unicom Corp.
The United States has the second largest electricity sector in the world, with 4,178 Terawatt-hours of generation in 2023. In 2023 the industry earned $491b in revenue at an average price of $0.127/kWh.
Cleco Corporate Holdings LLC is an electric power company headquartered in the Central Louisiana city Pineville. It operates a regulated electric utility company, Cleco Power, that serves approximately 290,000 retail customers in Louisiana. Cleco also operates an unregulated wholesale electricity business.
Reliant Energy Retail Holding, LLC is an American energy company based in Houston, Texas. It serves the state of Texas.
Net metering in New Mexico is a set of state public policies that govern the relationship between solar customers and electric utility companies.
The Bison Solar Plant, also known as the Rawhide Flats Solar Plant, is a 30 megawatt (MWAC) photovoltaic power station in Larimer County, Colorado located about 10 miles (16 km) north of the town of Wellington. The plant is notable for being one of the first in the U.S. built to a 1500 Volt system specification. The electricity is being sold to the Platte River Power Authority (PRPA) under a 25-year power purchase agreement.
The San Isabel Solar Energy Center is a 30 megawatt (MWAC) photovoltaic power station in Las Animas County, Colorado located about 20 miles north of the city of Trinidad. The electricity is being sold to Tri-State Generation and Transmission under a 25-year power purchase agreement. It is the second solar project, following the Cimarron Solar Facility in year 2010, to be added to the utility cooperative's renewables portfolio.
Octopus Energy Group is a British renewable energy group. It was founded in 2015 with the backing of Octopus Group, a British asset management company. Headquartered in London, the company has operations in the United Kingdom, France, Germany, Italy, Spain, Australia, Japan, New Zealand and the United States. Octopus is the UK's largest supplier of electricity to domestic customers, and the second largest in domestic gas.
Energy is a major component of the economy of Texas. The state is the nation's largest energy producer, producing twice as much energy as Florida, the state with the second-highest production. It is also the national leader in wind power generation, comprising about 28% of national wind powered electrical production in 2019. Wind power surpassed nuclear power production in the state in 2014. Since 2003, Texas state officials have created various initiatives like the Texas Enterprise Fund and the Texas Emerging Technology Fund to develop the economy of Texas.
US$861.99 million (2019)
US$123.03 million (2019)
