The volume of the water flow and the change in elevation—or fall, and often referred to as head—from one point to another determine the amount of available energy in moving water. In general, the greater the water flow and the higher the head, the more electricity a hydropower plant can produce.
What factors affect hydropower?
The amount of electricity a hydropower plant produces depends on two factors:
- How Far the Water Falls. The farther the water falls, the more power it has. Generally, the distance that the water falls depends on the size of the dam. …
- Amount of Water Falling. More water falling through the turbine will produce more power.
What is the output of hydroelectric plant?
The power output of a hydroelectric power plant is measured in kilowatts (1,000 watts) or megawatts (1,000,000 watts). Hydroelectric power plants are generally located at places on rivers or streams that can be easily dammed to create a reservoir of water.
What factors are necessary to construct a hydroelectric power plant?
Factors Necessary for the Development of Hydro-electric Power in India
- (i) Precipitation.
- (ii) Uniform Supply of Water, either from streams, rivers or Lakes.
- (iii) Topography.
- (iv) Absence of or Inadequate Coal or Oil Resources.
- (v) Demand.
- (vi) Accessibility.
- (vii) Cheap Raw Materials.
- (viii) Capital Requirements.
What is hydropower plant?
Hydropower plants are planned, constructed, and operated to meet human needs: electricity generation, irrigated agricultural production, flood control, public and industrial water supply, drinking water supply, and various other purposes.
What is hydroelectricity and hydroelectric power plant?
hydroelectric power, also called hydropower, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy. … The structure that houses the turbines and generators, and into which the pipes or penstocks feed, is called the powerhouse.
How much power is produced by hydroelectric power?
In 2020, total U.S. conventional hydroelectricity generation was about 291 billion kilowatthours (kWh), equal to about 7.3% of total U.S. utility-scale electricity generation.
What is the overall efficiency of the hydro electric power plant?
Hydroelectric powerplants are the most efficient means of producing electric energy. The efficiency of today’s hydroelectric plant is about 90 percent.
What are the factors affecting the location of hydroelectric power station?
(i) Presence of waterfalls to provide a massive hydraulic force. (ii) Presence of deep valley to provide space for reservoir. (iii)Presence of large volume of water from a river to provide water to drive the turbines. (iv) Constant supply of water to ensure continuous generation of power.
What are the two main factors in selecting a good source of hydroelectric energy?
Factors Affecting a Selection Site for a Hydroelectric Station
- Raw Materials. The materials used in the construction of dams determine whether it will last for long or effectively serve its purpose. …
- River Path. …
- Geological Structure. …
- Sufficient Water.