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Mini Hydro
Small hydro is the generation of hydroelectric power on a smaller scale as compared to traditional large-scale hydro. Exact definitions vary by country, but small hydro power (SHP) projects are typically less than 50 Megawatt, megawatts (MW) and can be further subdivided by scale into "mini" (<500kW), "Micro hydro, micro" (<100 kW), and "Pico hydro, pico" (<10 kW). Maximum power generation capacity is the primary factor of SHP classification. Factors like dam height, weir height, reservoir area, outlet structures and operating procedures are not standardized under this metric. SHP projects have grown rapidly in the past two decades. Quicker permitting processes can make them easier to develop and contribute to distributed generation in a regional electricity grid. Small hydro projects may be built in isolated areas that would be uneconomic to serve from a national electricity grid, or in areas where a national grid does not exist. They produce power on a scale suitable for local co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fall In Licq-Atherey
Autumn, also known as fall (especially in US & Canada), is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daylight becomes noticeably shorter and the temperature cools considerably. Day length decreases and night length increases as the season progresses until the winter solstice in December (Northern Hemisphere) and June (Southern Hemisphere). One of its main features in temperate climates is the striking Autumn leaf color, change in colour of the leaves of deciduous trees as they leaf#Seasonal leaf loss, prepare to shed. Date definitions Some cultures regard the autumnal equinox as "mid-autumn", while others with a longer Seasonal lag, temperature lag treat the equinox as the start of autumn. In the English-speaking world of high latitude countries, autumn traditionally began with Lammas Day and e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
China Village Electrification Program
The China Village Electrification Program (''Song Dian Dao Cun'') was a scheme to provide renewable electricity to 3.5 million households in 10,000 villages by 2010. This was to be followed by full rural electrification using renewable energy by 2015.Renewables Global Status Report 2006 Update , '' REN21'', published 2006, accessed 2007-05-16 The total program was expected to cost in the region of 5 billion, and solar generated electricity were expected to play a major role. China produces around 20% of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Generator
In electricity generation, a generator, also called an ''electric generator'', ''electrical generator'', and ''electromagnetic generator'' is an electromechanical device that converts mechanical energy to electrical energy for use in an external circuit. In most generators which are rotating machines, a source of kinetic power rotates the generator's shaft, and the generator produces an electric current at its output terminals which flows through an external circuit, powering electrical loads. Sources of mechanical energy used to drive generators include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even hand cranks. Generators produce nearly all of the electric power for worldwide electric power grids. The first electromagnetic generator, the Faraday disk, was invented in 1831 by British scientist Michael Faraday. The reverse conversion of electrical energy into mechanical energy is done by an electric motor, and motors a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydro Turbine
Hydro (from ) may refer to: Energy technologies * Water-derived power or energy: ** Hydropower, derived from water ** Hydroelectricity, in electrical form * "Hydro", AC mains electricity in parts of Canada * Micro hydro, a type of hydroelectric power that typically produces from 5 kW to 100 kW of electricity using the natural flow of water * Pico hydro, a term used for hydroelectric power generation of under 5 kW * Small hydro, the development of hydroelectric power on a scale suitable for local community and industry, or to contribute to distributed generation in a regional electricity grid Utilities Australia * Snowy Hydro * Hydro Tasmania Canada * Canadian Hydro Developers (not specific to a province) * In Manitoba: ** Manitoba Hydro ** Winnipeg Hydro, Manitoba * In Ontario: ** Hydro One ** Ontario Hydro ** Hydro Ottawa ** Toronto Hydro * Specific to other provinces: ** BC Hydro, British Columbia ** Newfoundland and Labrador Hydro ** Hydro-Québec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydraulic Head
Hydraulic head or piezometric head is a measurement related to liquid pressure (normalized by specific weight) and the liquid elevation above a vertical datum., 410 pages. See pp. 43–44., 650 pages. See p. 22, eq.3.2a. It is usually measured as an equivalent liquid surface elevation, expressed in units of length, at the entrance (or bottom) of a piezometer. In an aquifer, it can be calculated from the depth to water in a piezometric well (a specialized water well), and given information of the piezometer's elevation and screen depth. Hydraulic head can similarly be measured in a column of water using a standpipe piezometer by measuring the height of the water surface in the tube relative to a common datum. The hydraulic head can be used to determine a ''hydraulic gradient'' between two or more points. Definition In fluid dynamics, the ''head'' at some point in an incompressible (constant density) flow is equal to the height of a static column of fluid whose pressure at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Un-Dam The Klamath
Un-Dam the Klamath (#UnDamtheKlamath) is a social movement in the United States to remove the dams on the Klamath River primarily because they obstruct salmon, steelhead, and other species of fish from accessing the upper basin which provides hundreds of miles of spawning habitat. The dams have also significantly harmed Native American communities such as the Hupa, Karuk, Klamath, and Yurok. Four hydroelectric dams on the Klamath River in California and Oregon ( Copco #1, Copco #2, Iron Gate and J.C. Boyle) are being advocated for removal. The movement to remove the dams has been ongoing for at least 20 years and gained national attention following the 2002 Klamath River fish kill, when at least 33,000 salmon and steelhead died along the banks of the Klamath upon returning to the river and failing to reach their spawning grounds in the upper basin. The movement argues that the dams should be removed because they create toxic algal blooms, dwindle salmon numbers and create ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Restoration Of The Elwha River
The Elwha Ecosystem Restoration Project is a 21st-century project of the U.S. National Park Service to remove two dams on the Elwha River on the Olympic Peninsula in Washington state, and restore the river to a natural state. Until 2024, it was the largest dam removal project in history and it is the second largest ecosystem restoration project in the history of the National Park Service, after the Restoration of the Everglades. The controversial project, costing about $351.4 million, has been contested and periodically blocked for decades. It has been supported by a major collaboration among the Lower Elwha Klallam Tribe, environmental organizations, and federal and state agencies. The removal of the first of the two dams, the Elwha Dam, began in September 2011 and was completed ahead of schedule in March 2012. Removal of the second dam, the Glines Canyon Dam, was completed on August 26, 2014. History of the Elwha River Historically, the Elwha River was one of the few riv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Wheel
A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a large wheel (usually constructed from wood or metal), with numerous blades or buckets attached to the outer rim forming the drive mechanism. Water wheels were still in commercial use well into the 20th century, although they are no longer in common use today. Water wheels are used for milling flour in gristmills, grinding wood into pulp for papermaking, hammering wrought iron, machining, ore crushing and pounding fibre for use in the manufacture of cloth. Some water wheels are fed by water from a mill pond, which is formed when a flowing stream is dammed. A channel for the water flowing to or from a water wheel is called a mill race. The race bringing water from the mill pond to the water wheel is a headrace; the one carrying water after it has left the wheel is commonly referred to as a tailrace. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Independent Power Producers In British Columbia
Independent power producer (IPP) projects have had a significant presence in British Columbia since the 1980s. Their relationship with BC Hydro grew from the province's need to supply growing energy demands and implementation of the 2002 Energy Strategy, which mandated that BC Hydro would purchase its energy supply from IPPs rather than generating the supply itself. There are a variety of power projects in BC, with the most popular being hydroelectricity and biomass projects. In recent years, more attention has been placed on the environmental effects of IPP projects and the social implications it has to residents living around the project development sites. Despite the decline in demand for new IPP projects, in 2016 they supplied 20,000 GWh, one-third of BC Hydro's total.http://www.sitecinquiry.com/wp-content/uploads/2017/11/11-01-2017-BCUC-Site-C-Inquiry-Final-Report.pdf History Starting in the 1980s, independent power producer projects became popular in British Columbia due to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
