Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. With more than 6,000 employees, the company's principal oil and gas activities are in Asia and North America. Unocal has no refining or marketing operations.

Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering nearly 24,000 megawatts of clean, cost-effective, reliable, and fuel-efficient... more

FuelCell Energy, Inc. (FuelCell Energy) is engaged in the development and manufacturing of fuel cell power plants for electric power generation. The products are designed to meet the 24/7 baseload power needs of commercial, industrial, government and utility customers. The products have... more

Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. Entergy owns and operates power plants with approximately 30,000 megawatts of electric generating capacity, and it is the second-largest nuclear power... more

Duke Energy Corporation (Duke Energy) is an energy company located in the Americas that provides its services through four business units. The Company’s business units are U.S. Franchised Electric and Gas, Commercial Power, International Energy and Duke Energy’s 50% interest in the... more

Xcel Energy Inc. (Xcel) is a holding company, with subsidiaries engaged in the utility business. During the year ended December 31, 2007, Xcel Energy's operations included the activity of four wholly owned utility subsidiaries that serve electric and natural gas customers in eight states.... more

Based in Kansas City, Mo., Aquila operates electricity and natural gas distribution utilities serving 1.3 million customers in seven U.S. states. The company also owns and operates power generation assets.

With manufacturing facilities in 43 countries and a sales network in more than 100, AREVA offers customers reliable technological solutions for CO2-free power generation and electricity transmission and distribution. We are the world leader in nuclear power and the only company to cover... more

Exelon Corporation (Exelon) is a utility services holding company. It operates through its principal subsidiaries Exelon Generation Company, LLC (Generation), Commonwealth Edison Company (ComEd) and PECO Energy Company (PECO). Generation’s business consists of its owned and contracted... more

The AES Corporation (AES) is a global power company. It owns a portfolio of electricity generation and distribution businesses on five continents and in 28 countries. During the year ended December 31, 2007, the Company had a generation capacity totaling approximately 43,000 Megawatts.... more

Dynegy Inc. (Dynegy) is engaged in the production and selling of electric energy, capacity and ancillary services from the fleet of 29 operating power plants in 13 states totaling nearly 20,000 megawatt of generating capacity. The Company conducts its operations through its subsidiary,... more

With 31 million customers in France and sales revenue of over 34 billion Euros (including 23% outside France) for a power output of nearly 470 billion kWh and investments abroad, the EDF Group (Electricité de France) is one of the world's leading energy groups.

in California in 1905, is one of the largest combination natural gas and electric utilities in the United States.

Reliant Energy (NYSE: REI), based in Houston, Texas, is an international energy services and energy delivery company with $20 billion in annual revenue and assets totaling $30 billion. The company has a wholesale energy trading and marketing business that ranks among the top five in the... more

ALSTOM is the global specialist in energy and transport infrastructure. The Company serves the energy market through its activities in the fields of power generation, power transmission and distribution, power conversion and the transport market through its activities in rail and marine.... more

Endesa SA is a Spain-based holding company. It is primarily involved in the electricity generation and distribution, gas supply and renewable energy production. Additionally, the Company is active in other business areas, mainly real estate operations, telecommunications and power line... more

British Energy is the UK's largest producer of electricity from its nine power stations, including eight nuclear stations. Generating around one-fifth of the country's electricity, the company employs more than 5,000 people nationwide.

Florida Power & Light Company (FPL) is a rate-regulated utility company engaged primarily in the generation, transmission, distribution and sale of electric energy. The Company is a wholly owned subsidiary of FPL Group, Inc. FPL supplies electric service to a population of more than 8.7... more

Washington state's oldest and largest energy utility, with a 6,000-square-mile service territory stretching across 11 counties, Puget Sound Energy (PSE) serves more than 1 million electric customers and 737,000 natural gas customers. PSE meets the energy needs of its growing customer base... more

Powergen is an anglo-american integrated energy company. In the it UK Powergen is a leading UK supplier of electricity, gas and telephone services to domestic and small business customers. With 3.2 million customer accounts it is the fastest growing of the major suppliers. In the UK,... more

Alliant Energy Corporation, (Alliant Energy) public utility holding company. The Company has four primary first tier subsidiaries of Alliant Energy are: Interstate Power and Light Company (IPL), Wisconsin Power and Light Company (WPL), Alliant Energy Resources, Inc. (Resources) and... more

TransAlta Corporation (TransAlta) is a wholesale power generator and marketer focused on the western regions of Canada and the United States. The Company owns, operates and manages a contracted and geographically diversified portfolio of assets, and has capability in generation fuels,... more

InterGen is an international power generation firm. The company is operating or building a total of eleven power stations representing 7,985 MW. It also has an additional 7,040 MW in advanced development. InterGen has projects operating, under construction and/or in advanced development... more

U.S. Geothermal Inc. (GTH) is engaged in the acquisition, development and utilization of geothermal resources in the Western Region of the United States of America. As of March 31, 2008, the Company operated two power plants, Raft River Unit I in Idaho, through its joint venture with Raft... more

FirstEnergy Corp. (FirstEnergy) is principally a holding company that holds, directly or indirectly, eight principal electric utility operating subsidiaries: Ohio Edison Company (OE), The Cleveland Electric Illuminating Company (CEI), The Toledo Edison Company (TE), Pennsylvania Power... more

Enel S.p.A., (Enel) is an electricity operator in Italy. The Company produces, distributes, and sells electricity and gas across Europe, and North and Latin America. Enel has presence in 21 countries with approximately 80,000 megawatt of generating capacity and serves about 50 million... more

SRP Telecom is a carrier-neutral provider of telecommunications infrastructure products and services to Wireline and Wireless carriers alike, as well as to enterprise customers. Our fiber optic and cell site assets are concentrated in the Phoenix metropolitan area, providing ready... more

Aggreko plc is the global leader in the rental of power, temperature control and oil-free compressed air systems.

The Sacramento Municipal Utility District (SMUD) began providing electricity to customers on December 31, 1946. SMUD generates, transmits and distributes electric power to over 500,000 residential and commercial customers within a 900-square-mile service area that includes Sacramento... more

Vattenfall AB is wholly owned by the Swedish state and is the fifth largest energy company in Europe. Vattenfall generates electricity and heat and delivers energy to about 6 million customers in Northern Europe, including approximately 1.3 million in the Nordic region. Operations are... more

LCRA has been the primary wholesale provider of electricity in central Texas since 1937. By supplying wholesale power to 42 city-owned utilities and electric cooperatives, LCRA serves more than 1 million people in one of the nation's fastest growing regions, helping fuel the growth of... more

Northern Indiana Public Service Company (NIPSCO), a subsidiary of NiSource Inc., is a regulated utility that provides natural gas to nearly 700,000 customers and electricity to 416,000 customers across the northern third of Indiana. NIPSCO is the largest natural gas distribution company... more

Oncor, a subsidiary of Energy Future Holdings (formerly TXU Corp.), is an electric distribution and transmission business that provides power to more than 3 million homes and businesses and operates more than 115,000 miles of transmission and distribution lines in Texas.

Constellation NewEnergy (www.newenergy.com), a wholly owned subsidiary of Constellation Energy (NYSE: CEG), is a leading competitive supplier of electricity, natural gas and energy-related services to commercial, industrial and institutional customers throughout North America.

CEZ, as is a joint stock company engaged in the production of electricity in the Czech Republic. The main activity of CEZ is the sale of electricity, generated in its own facilities, and the related provision of power system ancillary services. The core business also includes the... more

Elsam A/S is the largest power and heat producer in Denmark. Activities comprise the generation and sales of power and district heating as well as the development of environment and energy-related projects on a national and international scale. In addition to the Horns Rev project, Elsam... more

Manitoba Hydro is the province's major energy utility, headquartered in Winnipeg, Manitoba. The utility serves more than 500, 000 electric customers throughout Manitoba and more than 250,000 gas customers in various communities throughout southern Manitoba. Virtually all electricity... more

Nova Scotia Power's Good Neighbour Program aims to support and foster community-based organizations across the region. Through these organizations we help create viable and healthy communities. The Good Neighbour Program compliments our corporate donations activities and is divided into... more

Northern Power is committed to the development of practical, real-world energy solutions to meet its customers' needs. The R&D team is charged with developing innovative products and capabilities to support Northern Power's mission and its growth. The R&D team works to fulfill Northern... more

KEMA is an independent company with an international reputation for high-level technical and management consultancy, testing, inspections and certification for businesses in the energy industry, assisting more than 500 clients in more than 70 countries. Headquartered in Arnhem, the... more

Country Energy is one of Australia's largest energy providers. We have around 4,000 employees in 142 customer and field service centres across New South Wales - as well as nine regional offices and four business centres.

Georgia Power Company (Georgia Power) is engaged in the generation and purchase of electricity and the transmission, distribution, and sale of such electricity within the State of Georgia at retail in over 600 communities (including Athens, Atlanta, Augusta, Columbus, Macon, Rome, and... more

Hydro-Québec promotes leading-edge R&D on innovative technologies designed to make more efficient use of electricity. The LTEE is a research centre whose mission is to test and validate the technical feasibility of electrotechnologies, in addition to developing methods and processes that... more

Competitive Power Ventures is a greenfield development, asset management and transaction execution company focused on the North American power generation market. Led by Doug Egan, Gary Lambert and John Foster, the Company has principal offices in Silver Spring, MD and Braintree, MA.

CMS Energy Corporation (CMS Energy) is an energy holding company operating through subsidiaries in the United States, primarily in Michigan. Its two principal subsidiaries are Consumers and Enterprises. Consumers is a public utility that provides electricity and/or natural gas to almost... more

Solar Integrated Technologies, Inc. manufactures, designs and installs building integrated photovoltaic (BIPV) roofing systems for non-residential, low-slope rooftops. The Company provides its customers with an integrated BIPV roofing solution that meets both their roofing and their... more

PowerStream Inc. is the third largest local electricity distribution company (LDC) in Ontario, providing service to more than 240,000 residential and business customers in the municipalities of Aurora, Markham, Richmond Hill and Vaughan. It is an incorporated entity, jointly owned by the... more