Here’s a list of Hydro Electric and Power Plant companies that are public, please feel free to add to the list:

World Energy Holdings & Research Plc, is a public limited company incorporated in England focusing on the development of power plants, specifically in Central and Latin America utilizing run-of-river technology in their wholy owned subsiduary World Energy Hydro Limited. World Energy Holdings & Research Plc is admitted for trading on the Frankfurt Stock Exchange Entry Standard (Open Market) under symbol '0WE'('Zero' 'W' 'E').

Plutonic Power Corporation is a Canada-based developer of renewable green power. The Company is engaged in the identification, development, construction and ultimately, the operation of clean power projects. The Company has two run-of-river hydro electric sites (Power Sites) in British Columbia under construction, one wind energy site in British Columbia under construction, and a portfolio of 41 other Power Sites and one wind site in British Columbia at various stages of evaluation, permitting and development. As of December 31, 2009, the Company had a hydroelectric portfolio consisting of 42 run-of-river power generation sites located throughout British Columbia in various stages of development, including two which were under construction (the ETM Project). In December 2009, the Company, in partnership with GE Energy Financial Services Company (GEEFS), acquired the Dokie Project fromEarthFirst Canada Inc. The Dokie Project is a wind farm located west of Chetwynd, British Columbia.

Innergex Renewable Energy Inc. is a developer, owner and operator of run-of-river hydroelectric facilities and wind energy projects in North America. The Company operates, on its own behalf or on behalf of Innergex Power Income Fund (the Fund), various power generating facilities in the Provinces of Quebec, Ontario and British Columbia and in the State of Idaho. The Company has three reportable segments: hydroelectric production; wind power production, and site development and management. Through its hydroelectric production and wind power production segments it sells electricity produced from its hydroelectric facilities and wind farms in operation to publicly-owned entities. Through its site development and management segment, the Company develops the hydroelectric facilities and wind farms to the operational stage and then manages them. Its subsidiaries include Innergex CAR, L.P., Innergex GM, L.P., Innergex MS, L.P. and Glen Miller Power, LP

Brookfield Renewable Power Fund (the Fund), formerly Great Lakes Hydro Income Fund, is a Canada-based income fund. The Fund owns power generating assets that produce electricity from hydroelectric and wind resources. It operates as a power income fund in North America with 1,652 megawatts of installed capacity and an average annual production of 6,382 gigawatt hours. On February 4, 2009, the Fund, through Great Lakes Power Holding Corporation (GLPHC), acquired the Prince Wind farm and a 50% joint venture interest in the Pingston Hydro station. On August 31, 2009, the Fund acquired 15 operating hydroelectric facilities in Quebec and Ontario with a total installed capacity of 387 megawatts and one to be constructed wind power project.

TransAlta Corporation (TransAlta) is a wholesale power generator and marketer with operations in Canada, the United States and Australia. The Company owns, operates and manages a contracted and geographically portfolio of assets and utilizes a range of generation fuels, including coal, natural gas, hydro, wind, geothermal and biomass. During the fiscal year ended December 31, 2009 (fiscal 209), TransAlta increased its renewables portfolio with the acquisition of Canadian Hydro Developers, Inc. (Canadian Hydro) and the completion of its Blue Trail wind facility. The markets, in which the Company operates include Western Canada, the Pacific Northwest and Eastern Canada. The Corporation has two segments: Generation, and Commercial Operations and Development (COD). On Oct. 23, 2009, TransAlta acquired 87% of Canadian Hydro. On Nov. 4, 2009, TransAlta acquired the remaining 13% of Canadian Hydro.

Capital Power Corporation is an independent power generation company. The Company owns and operates approximately 3,500 megawatts of power generating capacity in North America. The Company’s facilities consists of 31 power plants with geographic, fuel source and counterparty diversification. The Company is constructing 495 megawatts of additional generation capacity at Keephills, and has other development and acquisition projects in progress which represent approximately 1,000 megawatts of future capacity. On July 9, 2009, the Company completed the acquisition of the power generation assets and operations from EPCOR Utilities Inc.

Sea Breeze Power Corp. is a Canada-based company. It is engaged in the business of developing utility-scale renewable energy, and, through a 50% owned subsidiary, developing independent transmission systems. The Company is focused on developing its renewable energy sites, and on obtaining power purchase agreements in the British Columbia and western United States markets. The Company Breeze also provides consulting services to third parties on matters and activities relating to renewable energy technologies. It focuses on the wind projects in British Columbia, with its transmission activities extending from British Columbia to California. The wholly owned subsidiaries include Powerhouse Developments Inc. and Olympic Converter, LP.

Run of River Power Inc. develops renewable, sustainable energy through its portfolio of run-of-river and biomass projects in British Columbia. The Company’s first run-of-river power project in operation is an Eco Logo certified 7.6 megawatts facility based on Brandywine Creek near Whistler. The Brandywine facility is Run of River’s sole source of revenue; however, 639 megawatts of run-of-river power projects and 94 megawatts of biomass power projects are in various stages of development. Its subsidiaries include 1554675 Ontario Limited, Rockford Energy Corporation (Rockford), Jascott Holdings Corp. (Jascott), Northwest Cascade Power Ltd. (NWCP), Crawford Energy Corp., Raffuse Energy Corporation, Skookum Energy Corp., Sea to Sky Power Corporation, Western Biomass Power Corp. (Western Biomass) and Pacific Northwest Biomass Corporation (PNBC). Its 38 run-of-river power sites are consisted of five clusters.

Alaska Hydro Corporation, formerly Project Finance Corp, is a Canada-based company. Effective September 3, 2010 it completed its previously announced qualifying transaction. The Company acquired all of Cascade Creek, LLC (Cascade). Cascade owns the Cascade Creek Project, a proposed lake-tap hydroelectric project on Swan Lake in the Thomas Bay area of Alaska. The installed plant capacity for the Cascade Creek Project is approximately 70 megawatts. Upon completion of the qualifying transaction, Cascade became a wholly owned subsidiary of the Company.