Question

define hydel power . class 8 ​

Answer 1

Answer:

Hydel Power→

Hydropower or water power is power derived from the energy of falling or fast-running water, which may be harnessed for useful purposes.

Answer 2

Hydro power plant

Hydroelectricity is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity,[1] an d was expected to increase by about 3.1% each year for the next 25 years.

Hydroelectricity is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity,[1] and was expected to increase by about 3.1% each year for the next 25 years.Hydropower is produced in 150 countries, with the Asia-Pacific region generating 33 percent of global hydropower in 2013. China is the largest hydroelectricity producer, with 920 TWh of production in 2013, representing 16.9% of domestic electricity use.

Hydroelectricity is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity,[1] and was expected to increase by about 3.1% each year for the next 25 years.Hydropower is produced in 150 countries, with the Asia-Pacific region generating 33 percent of global hydropower in 2013. China is the largest hydroelectricity producer, with 920 TWh of production in 2013, representing 16.9% of domestic electricity use.The cost of hydroelectricity is relatively low, making it a competitive source of renewable electricity. The hydro station consumes no water, unlike coal or gas plants. The typical cost of electricity from a hydro station larger than 10 megawatts is 3 to 5 U.S. cents per kilowatt hour.[2] With a dam and reservoir it is also a flexible source of electricity, since the amount produced by the station can be varied up or down very rapidly (as little as a few seconds) to adapt to changing energy demands. Once a hydroelectric complex is constructed, the project produces no direct waste, and it generally has a considerably lower output level of greenhouse gases than photovoltaic power plants and certainly fossil fuel powered energy plants (see also Life-cycle_greenhouse-gas_emissions_of_energy_sources).[3] However, when constructed in lowland rainforest areas, where inundation of a part of the forest is necessary, they actually emit up to 3 to 4 times more greenhouse gases.

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