Czechs want to power up, they turn to state-controlled EZ, (the lead company of CEZ Group) which produces, distributes, and sells electricity and heat to 3.5 million customers in the Czech Republic. EZ, formed by the government in 1992, is now publicly traded, although in 2008 the government continued to control 63% of its stock. Subsidiaries and affiliates of EZ form what is known as the CEZ Group, which has operations in coal mining and power generation and marketing across Central and Southeastern Europe. The CEZ Group serves 7 million customers and has about 12,200 MW of generating capacity.

OGE Energy is the holding company for the largest electric utility in Oklahoma, but its largest revenue producer is its energy marketing and natural gas transmission unit, OGE Energy Resources. OGE owns Oklahoma Gas and Electric (OG&E), a public utility with almost 777,000 retail and wholesale customers in Oklahoma (including Oklahoma City) and a bit of western Arkansas. OG&E owns coal- and gas-fired power plants that generate 6,420 MW of capacity. Subsidiary Enogex operates 7,900 miles of natural gas gathering and transportation pipeline. The company also provides physical, asset, financial management services through marketing unit OGE Eenergy Resources.

Pinnacle West Capital is at the peak of the energy pyramid in Arizona. It is the holding company for the state's largest electric utility, Arizona Public Service (APS), which transmits and distributes electricity to 1.1 million residential, commercial, and industrial customers throughout most of the state. The utility also has more than 6,280 MW of generating capacity. Through APS and other subsidiaries, Pinnacle West markets wholesale and retail power in Arizona and the western US. The company also develops and manages real estate and invests in energy ventures.

United Water is a part of global water player SUEZ Environnement, and is one of the largest water companies in the US. The company distributes water and provides wastewater services to about 7 million people, including residential, commercial, and industrial customers. United Water provides services through a number of utility subsidiaries and through its contracts with several municipalities. The company operates almost 250 municipal water systems and owns utilities in 20 states across the country.

Making money by water, Biwater provides water and wastewater treatment services to a range of customers in more than 90 countries. The company also offers water infrastructure investment, consultancy and operation; water asset management; and project management for water leisure facilities. Its Biwater Leisure unit has installed several Olympic-sized pools for almost 40 years. Its international projects include the design and installation of a wastewater treatment plant in Dubai, and a water distribution system for 4.2 million customers in Malaysia. Biwater also designs and builds desalination plants. Focusing on international growth, in 2010 it sold its UK-based Biwater Services Limited unit to MWH Global.

Targa Resources Corp., through its general and limited partner interests in Targa Resources Partners LP, provides midstream natural gas and natural gas liquid (NGL) services in the United States. It engages in gathering, compressing, treating, processing, and selling natural gas; and storing, fractionating, treating, transporting, and selling NGLs and NGL products. The company owns and operates approximately 11,169 miles of natural gas pipelines and approximately 800 miles of NGL pipelines, with natural gas gathering systems covering approximately 13,500 square miles and 21 natural gas processing plants with access to natural gas supplies in the Permian Basin, the Fort Worth Basin, the onshore region of the Louisiana Gulf Coast, and the Gulf of Mexico. It sells its products to petrochemical manufacturers, refineries, multi-state retailers, and independent retailers. Targa Resources Corp. was founded in 2004 and is based in Houston, Texas.

Clyde Bergemman EEC designs and supplies custom-engineered air-pollution control systems and offers related services. Its systems scrub out dust and acid gases from plant emissions to meet strict regulations. Customers include power generators and paper and pulp producers. Its products include ammonia-on-demand systems (which control emissions from power generators), electrostatic precipitators, and fabric filtration systems. The company is a unit of energy services provider Clyde Bergemman Power Group.

Southwest Gas Corporation engages in the purchase, distribution, and transportation of natural gas in portions of Arizona, Nevada, and California. As of December 31, 2009, Southwest Gas Corporation purchased and distributed, or transported natural gas to approximately 1,824,000 residential, commercial, and industrial customers. It also operates as an underground piping contractor that provides utility companies with trenching and installation, replacement, and maintenance services for energy distribution systems. Southwest Gas Corporation was founded in 1931 and is headquartered in Las Vegas, Nevada.

Trans-Elect has elected itself as a cross-border power company. The independent transmission company owns and operates about 12,600 miles of high-voltage power lines in portions of Canada and the US. The company acts as a wholesale provider of electricity to distribution companies. It operates the former transmission assets of of US utility Consumers Energy; it is also part of an international consortium that operates the former transmission assets of Canadian power distributor TransAlta. The acquisitions were the first of their kind in the deregulating North American electricity market. Trans-Elect is also involved in several expansion projects in congested areas of the US grid.

Red El�ctrica de Espa�a (REE) owns and operates most of the country's power transmission grid. REE's system includes more than 34,300 kilometers of high-voltage transmission lines and more than 3,100 substation circuit bays. T-Online acquired REE's 10,000-kilometer fiber-optic network, which runs alongside the utility's power lines and is used to offer broadband telecom services, in 2005. However, REE's sister company Red El�ctrica Internacional, is contrtacted to continue maintenance of this network until 2016.

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