UIL Holdings, parent of electric utility The United Illuminating Company (UI), hopes its well regulated business will result in regular revenue growth. The public utility distributes electricity to 325,000 customers in southwestern Connecticut. Its service area, largely urban and suburban, includes the principal cities of Bridgeport (population 137,000) and New Haven (population 124,000) and their surrounding areas. UIL Holdings has teamed up with NRG Energy to form GenConn Energy LLC, a joint venture that focuses on developing new power generation facilities in Connecticut. In 2010 the company acquired three gas utilies in New England from IBERDROLA USA for $1.3 billion.

ReliOn relies on its ability to produce hydrogen fuel cells in order to make money. The company claims to be the world's leading developer and marketer of modular, cartridge-based, proton exchange membrane fuel cell technology. ReliOn markets a range of stationary fuel cells for emergency and back up power systems, uninterruptible power supplies, digital power needs and a range of off grid power requirements. The company has sold and installed more than 2 MW of products with private and public entities in the energy, telecommunications, and transportation segments. Investors include Avista, Enterprise Partners Venture Capital, and Wall Street Technology Partners.

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.

MidAmerican Energy Holdings reaches farther than its name implies. The company generates, transmits, and distributes electricity and natural gas to 6.9 million customers across the US and the UK, primarily through subsidiaries MidAmerican Energy Company, PacifiCorp, and CE Electric UK. UK regional distribution subsidiaries Northern Electric and Yorkshire Electricity serve about 3.8 million electricity customers. MidAmerican Energy Holdings also has independent power production; real estate (HomeServices of America); and gas exploration, production, and pipeline operations (Kern River Gas Transmission and Northern Natural Gas). Warren Buffett's Berkshire Hathaway controls the company.

American States Water Company, through its subsidiaries, provides water, electric, and contracted services in the United States. The company engages in the purchase, production, distribution, and sale of water in California; and the distribution of electricity in San Bernardino Mountain communities. It distributes electricity in 1 electric customer service area and 3 water service regions operating within 75 communities in 10 counties in the state of California, as well as provides water service in 21 customer service areas. As of December 31, 2009, the company served 254,998 water customers and 23,234 electric customers, as well as served 13,406 customers in the town of Fountain Hills, Arizona and a portion of the City of Scottsdale, Arizona. It also offers water and/or wastewater services, including the operation, maintenance, renewal, and replacement of the water and/or wastewater systems. The company was founded in 1929 and is headquartered in San Dimas, California.

Empresa Energetica de Mato Grosso Sul, or Enersul, brings electricity to the farmers and ranchers of Brazil's state of Mato Grosso do Sul. Cattle ranching and other crop cultivation (sugarcane, wheat, soybeans) are the region's main industries and the company's biggest customers. Enersul distributes 1.4 million megawatts of electricity to about 640,000 residential, industrial, and commercial customers via more than 70 municipalities across the state. It generates a small percentage of its power but most comes from Eletrosul parent ELETROBRAS and other sources. Enersul is owned by Energias do Brasil, which is controlled by EDP - - Energias de Portugal.

National Fuel Gas Company, through its subsidiaries, operates as a diversified energy company primarily in the United States. The company operates through four segments: Utility, Pipeline and Storage, Exploration and Production, and Energy Marketing. The Utility segment sells natural gas or provides natural gas transportation services to approximately 727,000 customers in Buffalo, Niagara Falls, and Jamestown, New York; and Erie and Sharon, Pennsylvania. The Pipeline and Storage segment provides interstate natural gas transportation and storage services for affiliated and nonaffiliated companies through an integrated gas pipeline system; and 27 underground natural gas storage fields, as well as 4 other underground natural gas storage fields owned and operated jointly with other interstate gas pipeline companies. This segment also transports natural gas for industrial customers and power producers in New York State. It owns the Empire Pipeline, a 157-mile pipeline; and the Empire Connector, which is a 76-mile pipeline extension. The Exploration and Production segment engages in the exploration for, and the development and purchase of natural gas and oil reserves in California, in the Appalachian region of the United States, and in the Gulf Coast region of Texas and Louisiana. As of September 30, 2009, this segment had proved developed and undeveloped reserves of 46,587 thousand barrels of oil and 248,954 million cubic feet equivalent of natural gas. The Energy Marketing segment markets natural gas to industrial, wholesale, commercial, public authority, and residential customers primarily in western and central New York and northwestern Pennsylvania. National Fuel Gas company also develops and operates mid-range independent power production and landfill gas electric generation facilities. National Fuel Gas Company was founded in 1902 and is based in Williamsville, New York.

Brazos Electric is a 3,219 megawatt generation and transmission cooperative whose members' service territory extends across 68 counties from the Texas Panhandle to Houston. Organized in 1941, Brazos Electric was the first cooperative formed in the Lone Star state for the purpose of generating and supplying electrical power. Today, it is the largest generation and transmission cooperative in Texas. Brazos Electric is the wholesale power supplier for its 16 member-owner distribution cooperatives and two municipal systems.

South West Water, one of the main subsidiaries of Pennon Group, provides water and wastewater services to 1.6 million people (more during the summer tourism season) in England's South West region. The company's service territory covers nearly 4,300 square miles and includes Devon, Cornwall, and parts of Dorset and Somerset. South West Water maintains more than 9,320 miles of water mains. Because 8 million tourists come to the region annually to swim at its numerous beaches, the utility is responsible for environmental cleanup in the region. It instituted a Clean Sweep program to improve the treatment of coastal sewage and meet European Union guidelines. The utility was privatized in 1989.

Deseret Power is a regional generation and transmission cooperative meeting the power requirements of its six member retail systems, and selling surplus power to municipalities, power marketers and other wholesale electric systems in five states.Beginning with a 25.1% interest in the Hunter II power plant, Deseret has grown into an integrated power producer in Utah. With corporate offices in South Jordan, Utah, Deseret owns 223 miles of transmission lines and 550 MW of generation. Deseret's primary generating resource, the Bonanza Power Plant is consistently ranked in the top environmentally clean coal fired plants in the U.S. and was the number one plant for availability in 2001 and 2002.As a cooperative, Deseret is owned by its six member systems: Bridger Valley Electric, Dixie Escalante, Flowell Electric, Garkane Energy, Moon Lake Electric, and Mt. Wheeler Power. Deseret's cooperative organization, combined with its vertical integration, positions Deseret to provide member/owners, partners and customers of all sizes competitive and stable power rates.

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