Hydro

• British Hydropower Association - Trade association representing the interests of the hydropower industry. Promotes the use of small hydropower and lobbies to protect its members' interests.
• Canadian Dam Association - Goal is to advance the implementation of practices to ensure the safe operation of dams in Canada. Contains newsletters, links, membership and contact information.
• Canadian Hydro Developers, Inc. - Developer of low impact energy projects including water, wind,and natural gas powered plants.
• Cink Hydro Energy k.s. - Manufacturer of hydroelectric units using high efficiency (84%) X-flow turbines with max/min flow ratios of 3+, ideal for run-of-river applications. Available in portable and stationary units.
• ÈKD Turbo Technics - Company located in the Czech Republic that manufactures and repairs small water turbines of different types (Kaplan, Francis, Pelton, Banki), sells classical relay type, microprocessor controlled switchboards, and also manufactures and repairs hydrodynamic clutches. Catalog sheets in English, Dutch, Spanish, and Czech are provided.
• ELSA - Contact information for this Swiss manufacturer and installer of mini hydro-electric power plants ranging in size from 5 to 2000 kilowatts. Site can be accessed in English, French and Spanish.
• Energy Systems and Design, Ltd. - Micro-hydroelectric components manufacturing including the Stream Engine and low-head models, also site analysis, renewable energy systems and installation services.
• Farab - Turnkey contractor of hydroelectric power plants and equipment supplier established in 1992 as an affiliate to the Islamic Republic of Iran's Ministry of Energy. Site is in English and Farsi.
• From Energies International - Contact information, project photos, and descriptions from this Spanish company specializing in the construction and operation of hydroelectric power plants and selling the energy produced to the national backbone grids in different countries of the world.
• Grande Dixence S.A. - Operate hydroelectric facilities in Valais, Switzerland. Includes history and culture, environment and technology.
• Hartvigsen-Hydro - Supplier of components to microhydro system developers worldwide. Located in western USA (Utah). Custom turgo runners and nozzles to meet hydro site specific needs.
• Hydro West Group, Inc. - Provides a full spectrum of engineering services and equipment for the development of small and medium hydroelectric projects.
• Hydroacoustic Technology, Inc. - Manufactures hydroacoustic fisheries research equipment, and conducts hydroacoustic research in the marine environment, in lakes and rivers, and at hydropower dams.
• Independent Power & Light - Vermont supplier of photovoltaic panels, small hydropower turbines, and other equipment required for an off grid power system.
• INGEA, s.r.o. - Provides design, engineering and supplies for hydropower and other power engineering projects, including control and protection systems.
• International Hydropower Association - Members include corporations, engineers, researchers, educational establishments, and individuals working or studying in the field of hydropower. Promotes the awareness of the role hydropower can play in sustainable development implemented in an environmentally and socially acceptable way.
• International Journal on Hydropower and Dams - International technical and business journal for the hydroelectric and dam engineering professions, and for water resources development and management. Contains subscription information, an industry directory, and statistics.
• International Network on Small Hydro Power - A non-profit organization that promotes the development of small hydro power worldwide as a clean, renewable means of rural electrification.
• Itaipu Hydroelectric Power Plant - Features company overview, historical background, resources, official documents and board members.
• James Leffel and Co. - Turbine manufacturer for hydroelectric and water power. Francis, impulse and propeller runners, gate casings, wicket gates, shafts, and bearings.
• Karkheh Storage Dam and Hydro Power Plant - Description of the construction of this hydroelectric facility located on the Karkheh River in Iran. Includes photographs, studies, and contact information.
• Landsvirkjun - Icelandic National Power Company - Produces, distributes and sells electricity to local public utilities and to power-intensive industries. Contact information, company information, project descriptions and publications.
• Microhydropower.net - Directories, discussion forums, case studies, theory, references, and downloads related to microhydro.
• Nam Theun 2 Power Company Limited - Details of a collaborative effort between Lao PDR and Thailand to export 995 MW of electricity to Thailand by 2009.
• Newmills Hydro - UK. Turbine manufacturer and installer. Contains turbine specifications, instructions for flow and head measurement, site evaluation information, and examples of specific installations.
• Norcan Hydraulic Turbine Inc. - Canadian manufacturer of hydraulic turbines and turbine components serving the small and mini hydro, manufacturing and services market.
• Northwest Hydroelectric Association - Regional association advocating the hydropower industry. Contains information about northwestern hydropower.
• Ocean Power Technologies - Uses off-shore buoys to capture wave energy. Lists technologies, current projects, and an FAQ.
• Orengine International Limited - Employs new design techniques, synthetic materials, and electronic technologies in the construction of small and mini power plants.
• Pelamis Wave Power Ltd - They manufacture systems to generate electricity from ocean waves. Lists current projects, steps involved in a project, and multimedia.
• Phoenix Power Control, Inc. - Designs and supplies electrical and control equipment for hydroelectric stations, offering standardized designs for typical plant requirements, and specialized designs for large plants and unique site conditions.
• Powerpal UK - Contact information and product descriptions for this supplier of micro-hydro power products for home and industry.
• Rainbow Power Company - Designs, manufactures, sells and installs renewable energy equipment based on solar, wind, hydro and biomass energy sources.
• Russell Benussi Associates - Appointed UK and European representatives for a number of leading manufacturers of equipment for the power and process industries.
• Scottish Hydro Electric - Generator and supplier of electricity, gas and telecommunications services in northern Scotland. Product and service details, including savings calculator and application form.
• Tamar Designs Pty. Ltd. - Australian firm that designs and manufactures hydro-turbines ranging in size from megawatt units for power stations to tiny battery charging units. Also supplies electrical control, protection and switchboard equipment, refurbishes existing turbines and control systems, and does system design.
• UEK Corporation - Designs, builds and installs low impact hydro kinetic turbines classified as renewable energy. No dams or impoundments.
• United Nations Environment Programme - Dams and Development Project - Goals are to promote a dialogue on improving decision making, planning and management of dams and their alternatives. Contains objectives, links, and contact information.
• VA Tech Møller Energi - Swedish engineering company specializing in the design and manufacture of Kaplan and Francis turbines, the refurbishing and maintenance of turbines of all types, and consulting.
• Wasserkraft Volk AG - Manufacturer of hydro power stations and equipment.

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• Bureau of Reclamation Hydropower Program - U.S. government agency. General information including the history of hydropower development, a glossary of terms, and major producers.
• California Hydropower Reform Coalition - Conservation and community organizations working to reduce the impacts of FERC licensed hydropower projects on the rivers of California. Contains relicensing resources.
• Cink Hydro Energy k.s. - Describes small-scale hydroelectric technology (portable to 15 kilowatts, stationary from 50 kilowatts to 5 megawatts) utilizing new high efficiency (84%) cross-flow turbines, available from FINESA, Inc., Prague, Czech Republic.
• Dam-Reservoir Impact & Information Archive: DRIIA - Information on dams, water diversions, impoundments, and hydroelectric projects, their impacts, and related links.
• El Dorado Irrigation District FERC Project 184 Relicensing - Documents associated with the hydro-electric relicensing project, primarily located in the El Dorado National Forest in California. Includes calendar, scientific studies, and a list server for project information.
• Federal Power Act - Statutory framework for the U.S. regulation of the construction, operation, and maintenance of dams, water conduits, reservoirs, power houses, and transmission lines related to the utilization of water resources.
• Hydro Information Systems Turbnpro Version 3 Software - Software for the selection of hydroelectric turbines. Determines preferred turbine size, type, and arrangement from site data. Predicts the performance and energy production for the site.
• Hydro Research Foundation - U.S. organization that promotes hydropower by facilitating research and providing educational opportunities. Includes public information.
• Industrial Screen Products - Product and contact information for manufacturer of wire fish screens that prevent entrainment, injury, or death of targeted aquatic species by physically stopping fish from entering a water intake.  
• International Small-Hydro Atlas - Technological and regulatory information related to project development, including project sites, organizations, contacts, literature, assessment tools and methodologies,opportunities for research and development, and financing guidelines.
• Lake Murray, Saluda River, Columbia, South Carolina Dam Re-Licensing - Resources for citizen involvement in the re-licensing of Federal Energy Regulatory Commission Project 516.
• Microhydro Web Portal - Information about run-of-the-river systems up to 300 kilowatts. Includes the microhydro discussion group, microhydro basics, and links.
• National Hydropower Association - U.S. trade association. A comprehensive site containing policy information, relicensing information, and generally promoting industry interests.
• Pico Hydro - Network specializing in very small hydro systems, up to 5 kilowatts. Includes articles, down loadable publications, and links.
• Power Matters - Hydroelectric Power - Tennessee Valley Authority site with a description and diagram of a generic hydroelectric dam and a pumped storage facility.
• RETScreen International - Renewable Energy Project Analysis Software - Free software provided by Canada to evaluate renewable energy projects. Evaluate the energy production, life-cycle costs, and greenhouse gas emissions reduction for central-grid and isolated-grid connected small hydro projects.
• Saint Lawrence FDR Power Project Relicensing - Description of the project, the relicensing process, and a newsletter about the relicensing process.
• Snake Dams - Collected stories from the Tri-City Herald about the controversy surrounding the possible breaching of the Ice Harbor, Lower Monumental, Little Goose, and Lower Granite dams on the Lower Snake River in Washington State.
• Three Gorges Probe - Information about the scientific, technical, economic, social, and environmental effects of completing the Three Gorges dam in China, as well as the alternatives to the dam.
• Turning to Hydropower - Site by the Foundation for Water and Energy Education. Promotes and provides extensive information about hydropower in the U.S. Northwest.
• U.S. DOE Hydropower Program - Information about hydroelectric power, state resource assessments, technology research and development, environmental concerns, and advanced hydropower turbines.
• Water Wheel Factory - Reference and historical information, kits, pictures, and plans for water wheels and water turbines.

Waves

• AWS BV: Archimedes Wave Swing - Describes a new energy to derive useful energy from ocean waves. Includes general background, photos, and details of implementation.
• Ocean Wave Energy Company - Theoretical discussion and proposal for utilizing the energy generated by ocean waves.
• Oceanlinx - Company description, research about wave power generation of electricity, descriptions of equipment, photographs, video and drawings.
• ORECON - Offshore Renewable Energy CONversion - Contact information, diagrams and research information for this United Kingdom company developing a 1MW multiple oscillating water column wave energy device.
• Pelamis Wave Power Ltd - Edinburgh company planning to install two 375kw Pelamis devices which are semi-submerged, articulated structures composed of cylindrical sections linked by hinged joints in Machir Bay, Islay for power generation.
• Wave Energy Research Team - This site gives details of research work on wave energy power conversion at University of Limerick, Ireland.
• Wavegen - Description of products, services, facilities, map of relative global wave energy density, and diagrams of turbines that utilize the energy of waves.
• World Wave Atlas - Information about a series of interactive wind and wave atlases providing wind and wave climate statistics worldwide.

Dams

• About Dams - A range of topics from the International Rivers Networks including social, environmental and economic impacts, and dam performance and safety.
• Building The Ultimate Dam - Donald Jackson of the History Department, Lafayette College, describes his book on John S. Eastwood and the control of water in the American West. Excerpts and illustrations.
• California Dam Safety - Reviews plans and specifications for the construction of new dams or for the enlargement, alteration, repair, or removal of existing dams. Includes technical references, statutes and regulations.
• Climate Control Requires a Dam at the Strait of Gibraltar - Article discusses the climate benefits of building a dam across the straits of Gibraltar. By R. G. Johnson, Department of Geology and Geophysics, University of Minnesota.
• Dam Design - Features a range of information for undergraduate studies. Topics include loadings, geology, site investigations, and construction. Compiled by Andrew Graham at Durham University.
• The Dam Site - A range of topics from Richard Woodward, including how dams are built and work, geology, and the environment.
• Dams - Illustrated project by Diana Biggs, on the social and environmental impacts of large dams. Includes case studies.
• Dams and Development - Demonstrate how dams can be used by university teachers and students to explore topics in both environmental studies and development studies. Includes discussions, case studies of selected dam projects, and lists of references to assist teachers and students in further research.
• Deltaworks - Includes the history of the 1953 flooding in The Netherlands and series of dams created to prevent this from happening again.
• Elan Valley Dams - History of the dams, reservoirs, and 73 mile aqueduct of the Elan Valley waterworks in mid-Wales. From the Powys digital history project.
• Geoguide Dams - Basic animated guide to the before, during, and after phases of dam construction.
• German Dam Research and Technology: - Provides links to publications that show progress in German dam research and case histories where modern techniques had been used. Publications in pdf format.
• High Masonry Dams. - Full text of John McMaster's 1876 publication.
• Holding Back the Waters — Dams as Water Resource Monuments - Article by Joe Gelt which details the range of dams and the regulations that control them.
• Introduction to Dams - Topics include the societal nature of dams and opposition to, examples of failures, and types.
• Kalpasar Dam Development Feasibility Study - Gujarat State considers a proposed tidal power dam at the Gulf of Khambhat, India. Includes history, benefits and technical features.
• Karun III - Project history, news, technical data and photographs. Arch dam located on the Karun river in Iran.
• The Los Angeles Dam Story - Illustrated article on the progress in designing critical structures to avoid damage during large earthquakes.
• National Performance of Dams Program - NPDP - Technical resource for information on the performance of dams, supporting dam safety, engineering, and public policy. Includes a database of dams in the U.S., and a database of primarily dam failures.
• Parker Dam - Guide from Desert USA to the deepest dam in the world, built in the 1930s on the Colorado River. Includes history, photographs and visitor information.
• Parker Dam and Powerplant - Comment and photographs from the Bureau of Reclamation.
• Pensacola Dam - Provides a range of photographs and commentary on the history and construction of this 1938 dam located on the Grand river in Oklahoma.
• Tailings Dam Safety - Topics include current issues, safety, dam properties and failures. From the WISE uranium project.
• The World Commission on Dams - Archive of the commission whose objectives were to undertake a global review of the development effectiveness of large dams and to develop internationally acceptable criteria and guidelines for future decision-making on dams.