Piedmont Natural Gas Company, Inc., an energy services company, distributes natural gas to residential, commercial, industrial, and power generation customers in portions of North Carolina, South Carolina, and Tennessee. It also operates various energy-related businesses, including unregulated retail natural gas marketing, interstate natural gas storage, and intrastate natural gas transportation. As of October 31, 2009, the company served 952,469 retail customers and 61,000 customers served by municipalities. Piedmont Natural Gas Company, Inc. was founded in 1949 and is headquartered in Charlotte, North Carolina.

First Wind, wind is the first and last item in its business model. The vertically integrated energy company (formerly UPC Wind) develops, owns, and operates wind energy plants in the Northeastern and Western US, and Hawaii. Its six projects in Hawaii, Maine, Vermont, New York, and Utah generate more than 500 MW of electricity. First Wind, which targets states with high energy prices, renewable energy requirements, and favorable wind conditions, plans to have more than 2,000 MW of capacity by the end 2014. The company was formed in 2002 by individuals experienced with building wind power plants in Italy. In 2010 First Wind began construction of its 102 MW Utah-based Milford Wind project.

GAIL (India) Limited is no blowhard when it comes to turning energy into profits. The largest gas transmission and marketing company in India, GAIL owns more than 6,700 km of pipeline and has a 78% market share in India's natural gas transmission business. It has seven gas processing units and owns India's largest gas-based petrochemicals complex. In addition, GAIL has major domestic exploration and production operations. It also has a fiber-optic cable network of 13,000 km that provides bandwidth to telecommunications carriers. It is also involved in liquefied natural gas import projects. In 2010 GAIL (India) Limited expressed an interest in buying US shale assets. The government of India owns 57% of the company.

Constellation Energy Group, Inc., through its subsidiaries, supplies energy products and services in North America. The company operates in three segments: Merchant Energy, Regulated Electric, and Regulated Gas. The Merchant Energy segment owns, operates, and maintains fossil, nuclear, and renewable generating facilities, and holds interests in nuclear generating facilities, qualifying facilities, and power projects. It also provides operation and maintenance services, including testing and start-up, to owners of electric generating facilities. In addition, this segment offers products and services to meet the energy requirements of wholesale and retail customers, including distribution utilities, cooperatives, aggregators, and commercial, industrial, and governmental customers. As of December 31, 2009, it had a total generation capacity of 7,118 megawatts. The Regulated Electric segment purchases, transmits, distributes, and sells electricity in central Maryland. It maintained approximately 240 substations, 1,300 circuit miles of transmission lines, and 24,500 circuit miles of distribution lines. The Regulated Gas segment purchases, transports, and sells natural gas in central Maryland. Constellation Energy Group also designs, constructs, and operates renewable energy, heating, cooling, and cogeneration facilities; offers energy performance contracting and energy efficiency engineering services; provides home improvements, service electric and gas appliances, service heating, air conditioning, plumbing, electrical, and indoor air quality systems, as well as offers natural gas marketing to residential customers in central Maryland; and develops and deploys new nuclear plants in North America through its joint venture. The company was founded in 1906 and is based in Baltimore, Maryland.

Pepco Energy Services continues to sail right along. The company provides electricity and natural gas to residential, commercial, industrial, and governmental customers in deregulated areas (primarily the US eastern seaboard, Chicago, and Texas). The nonregulated energy supply company, a subsidiary of Pepco Holdings, offers services in energy management, energy-efficiency consulting, "green power" facilities development and construction, and equipment maintenance. It operates two power plants with a aggregate capacity of 790 MW. Pepco Energy Services also provides its customers the choice of sourcing power from green sources (from solar, wind, and biomass plants).

Indiana Municipal Power Agency (IMPA) supplies bulk electricity to 52 community-owned distribution utilities throughout Indiana. IMPA members deliver electric service to households, businesses, and industries across Indiana. The company has interests in fossil-fueled power plants that give it nearly 600 MW of generating capacity; it also buys electricity through supply contracts and through purchases on the wholesale market. IMPA also owns power tranmission assets, and it provides utility engineering and consulting services through its ISC subsidiary. IMPA is expanding its power portfolio through the construction of new generation facilities.

Enerchina Holdings focuses on offering a variety of energy and public utility services in about 40 cities in China. The company generates electrical power, as well as provides more than 400,000 tons of natural gas every year through Panva Gas Holdings. Panva also offers pipeline network construction, transportation, storage, and wholesale of natural gas. Enerchina Holdings serves more than 3 million customers. The company is researching and developing other clean energy sources, including different uses of coal. Chairman Ou Yaping owns about 52% of Enerchina Holdings.

Lincoln Electric System (LES) takes care of all of the power needs for residents and businesses in Lincoln, Nebraska. The company generates, purchases, transmits, and distributes electricity for approximately 128,130 residential, commercial, and industrial customers in Lincoln and surrounding communities. LES has interests in fossil-fueled power plants and wind energy facilities; the utility also purchases power through contracts with other generation utilities, such as the Nebraska Public Power District and the Western Area Power Administration, and it markets power to wholesale customers.

AMEC Geomatrix Consultants hopes to be chosen to provide engineering, environmental, and geological consulting services. Its environmental-related services include support for air quality compliance, licensing and regulatory assistance, site assessment, and remediation. The firm also provides assessments of seismic activity and earthquake-related engineering services, cartography and other geographic information systems (GIS) design, decision analysis consulting, and natural resources optimization. AMEC Geomatrix, a unit of AMEC Earth & Environmental, conducts projects worldwide and has 19 offices located throughout the US, and one in Canada.

Northumbrian Water Group (NWG) provides water utility services in both northern and southern England. The company's primary subsidiary, Northumbrian Water Limited, provides water and wastewater services to 2.6 million people in North East England under the Northumbrian Water brand; it provides water to 1.8 million people in South East England, where it operates as Essex and Suffolk Water. NWG also controls a number of special purpose companies with contracts in Scotland, Ireland, and Gibraltar. The company's SA Agrer NV unit conducts project work in developing countries, The Ontario Teachers' Pension Plan controls 26% of the company.

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