Global Water Resources (GWRI) took the phrase "Think globally, act locally" to heart. The company provides water, wastewater, and recycled water utility services to 14 utilities and more than 60,000 people in its service area around Phoenix. Its recycled water is treated and purified wastewater used for non-potable and outdoor purposes, sent through a separate system of pipes than drinking water. GWRI says its reclaimed water project saves up to 40% of drought-prone Arizona's scarce groundwater. The utility also extends water and wastewater infrastructure financing to regional developers and builders. The company was formed in 2003. Once privately held, GWRI went public in an IPO in late 2010.

EDP-Energias de Portugal, S.A. engages in the generation, supply, and distribution of electricity. It operates hydroelectric and thermal power stations, as well as wind, coal, and natural gas combined cycle power plants. EDP-Energia also involves in the supply and distribution of natural gas. It primarily operates in Portugal, Spain, France, Brazil, and the United States. EDP-Energia was incorporated in 1976 and is based in Lisbon, Portugal

Calpine Corporation, an independent wholesale power generation company, engages in the ownership and operation of natural gas-fired and geothermal power plants in North America. It generates electricity and produces steam from natural gas-fired combustion and renewable geothermal facilities. The company sells wholesale power, steam, capacity, renewable energy credits, and ancillary services to utilities, independent electric system operators, industrial and agricultural companies, retail power providers, municipalities, and power marketers. As of December 31, 2009, the company had a portfolio of 77 operating power plants with an aggregate generation capacity of approximately 24,802 megawatts. Calpine Corporation was founded in 1984 and is based in Houston, Texas.

IBERDROLA, S.A., together with its subsidiaries, engages in producing, switching, retailing, and distributing electricity and gas. The company primarily generates nuclear, fossil-fuel, hydroelectric, and wind power. It also offers raw materials or primary energies required for electric power generation; energy, engineering, computer, and telecommunications services; services relating to the Internet; urban and gas retailing services; regasification, transmission or distribution services, as well as other gas storage services; assistance and support services; and real estate and other related services. In addition, the company involves in the treatment and distribution of water; representation, marketing, and distribution of various goods and services, products, articles, merchandise, computer programs, industrial equipment, machinery, machine and hand tools, spare parts, and accessories; and research, plan, and study of investment and corporate organization projects, as well as develops, sets up, and promotes industrial, commercial, and service companies. As of December 31, 2009, it served approximately 10 million users in Spain; 3.2 million electric customers and 2 million gas customers in the United Kingdom; 1.84 million electric customers and 0.93 million gas users in Latin America. The company is based in Bilbao, Spain.

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.

Sembcorp Industries can help your ship keep its shape or sell you electricity, among other things. Its 62%-held Sembcorp Marine subsidiary, the #2 offshore oil rig maker in the world, specializes in marine and offshore engineering services such as ship building and conversion, repair, and rig building. Sembcorp Utilities (also known as SembUtilities) is a leading retailer of electricity in Singapore; it also provides utility services and water management services (wastewater, reclaimed water, desalination, water for industrial use). Singapore's government (through investment company Temasek Holdings) controls 49% of Sembcorp Industries, which serves clients primarily in the Asia/Pacific region and in Europe.

Vattenfall, which provides power to 4.7 million retail customers in Belgium, Denmark, Finland, Germany, the Netherlands, Poland, Sweden, the UK. The Nordic region's largest utility group has about 33,000 MW of generating capacity in the region from interests in nuclear, hydroelectric, wind, and fossil-fueled power plants; it also markets wholesale energy and operates district heating facilities. State-owned Vattenfall is focusing on its growing its presence across Europe. In 2009 it acquired Belgium-based Nuon (renamed Business Group Benelux) in a $10.9 billion deal, boosting its position as a major European energy group

Edison has grown to become Italy's leading independent power producer, with 12,100 MW of hydroelectric, fossil-fueled, and wind-powered generating capacity. Much of Edison's electricity goes to Italy's largest utility, Enel; Edison also sells power to commercial and industrial businesses. The company has a focus on natural gas exploration, production, and marketing. It also distributes gas directly to 171,900 retail customers. In 2009 Edison reported proved reserves of 35.5 billion cu. meters of natural gas equivalent. The company is controlled by Transalpina di Energia Srl (61%) and Electricite de France (19%).

Alabamans and Floridians come together in PowerSouth Energy Cooperative (formerly Alabama Electric Cooperative), which provides wholesale power services to its member-owners (20 cooperative and municipal distribution utilities and one industrial company). Its distribution members provide electric services to almost 419,000 meters in central and southern Alabama (39 counties) and western Florida (10 counties). PowerSouth Energy Cooperative operates a 2,200-mile power transmission system and has more than 1,600 MW of generating capacity from interests in fossil-fueled and hydroelectric power plants.

Scottish and Southern can speak with a Scottish burr or a southern English clip. The integrated company is one of the UK's top energy firms, distributing power and gas to 9.2 million customers through subsidiaries Southern Electric, Scottish Hydro Electric, SWALEC, and Atlantic Electric and Gas. Scottish and Southern's regulated utility assets include 79,300 miles of power transmission and distribution lines that serve 3.5 million end-users. Scottish and Southern has 11,300 MW of generating capacity. It also distributes gas to 5.7 million customers. Other operations include gas exploration, energy trading, wind farms, electrical and environmental contracting, gas storage, and retail appliance sales.

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