Hoover Dam generates, ~ above average, around 4 billion kilowatt-hours the hydroelectric power yearly for usage in Nevada, Arizona, and also California - enough to offer 1.3 million people. From 1939 to 1949, Hoover Powerplant to be the world"s largest hydroelectric installation; today, it is still one of the country"s largest.

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Where is the powerplant located?


In a U-shaped structure at the base of the dam. Each powerplant soup is 650 feet lengthy (the size of virtually 2 football fields) and also rise 299 feet (nearly 20 stories) over the powerplant foundation. In all of the galleries of the plant there space 10 acre of floor space.

What is the volume of the Hoover Powerplant?

There 17 main turbines in the Hoover Powerplant -- ripe on the Arizona wing and also eight top top the Nevada wing. The initial turbines were replaced through one uprating program in between 1986 and also 1993. The plant has actually a nameplate volume of around 2,080 megawatts. This consists of the two station-service systems (small generating units that provide power for plant operations), which space rated at 2.4 megawatts each. Through the main units having actually a merged rated volume of 2,991,000 horsepower, and also two station-service systems rated in ~ 3,500 speech each, the plant has actually a rated capacity of 2,998,000 horsepower.

How does the water with the turbines?

Through 4 penstocks, 2 on each side of the river. Wicket gates regulate water distribution to the units.

Under what heads perform the generators operate?

Maximum head (vertical distance the water travels), 590 feet; minimum, 304 feet; average, 510 come 530 feet.

When to be the power installations in the plant completed, and of what carry out they consist?

The installation of the last generating systems was completed in 1961. A tree uprating to be completed in 1993, therefore presently there are fifteen 178,000 horsepower, one 100,000 horsepower, and one 86,000 horsepower Francis-type upright hydraulic generators in the Hoover powerplant. Over there are also thirteen 130,000 kilowatt, two 127,000 kilowatt, one 61,500 kilowatt, and also one 68,500 kilowatt generators. All devices are operated at 60 cycles. The 2 2,400 kilowatt station-service units are propelled by Pelton water wheels. These provide electrical power for lights and also for operating cranes, pumps, motors, compressors, and other electric equipment in ~ the dam and powerplant.

How was the powerplant machinery transported native the canyon rim to the powerplant?


An electrically activate cableway the 150 lots rated capacity, v a 1,200-foot span across the canyon, lowered all heavy and bulky equipment. The cableway is still used when necessary.

How much power does Hoover Powerplant produce on a yearly basis?

The average annual net generation for Hoover Powerplant because that 1947 with 2008 was around 4.2 exchange rate kilowatt-hours. The ten-year annual average for 1999 through 2008 was about 4.2 billion kilowatt-hours. The maximum yearly net generation in ~ Hoover Powerplant was 10,348,020,500 kilowatt-hours in 1984, while the minimum annual net generation due to the fact that 1940 was 2,648,224,700 kilowatt-hours in 1956.

What is a kilowatt-hour?

It is a unit of job-related or energy equal to the done through one kilowatt of strength acting for one hour. A kilowatt is 1,000 watt or 1.34 horsepower.

Who operates and also maintains the powerplant?

The powerplant is operated and also maintained through the bureau of Reclamation.

Who are the principal home builders for energy?

Agua Caliente tape of Cahuilla ind Anza electrical Cooperative, Inc. Arizona strength Authority Augustine band of Cahuilla ind Bishop Paiute tribe Cabazon tape of Mission ind California room of Water sources Chemehuevi Indian tribe City the Anaheim, California City the Azusa, California City of Banning, California City the Boulder City, Nevada City of Burbank, California City that Cerritos, California City that Colton, California City the Corona, California City that Glendale, California City of Los Angeles, California City the Pasadena, California City of Rancho Cucamonga, California City of Riverside, California City that Vernon, California City that Victorville, California Colorado flow Commission (CRC) fort McDowell Yavapai nation Gila flow Indian community Hualapai Indian Tribe imperial Irrigation district Kaibab tape of Paiute Indians ras Vegas Paiute tribe Metropolitan Water district of southerly California Morongo tape of Mission indians Navajo Tribal energy Authority Pascua Yaqui tribe Pechanga band of Luiseno Mission ind Salt flow Pima-Maricopa Indian community San Diego county Water Authority san Luis Rey river Indian Water Authority mountain Manuel tape of Mission Indians southerly California Edison southerly California Public strength Authority (SCPPA) Timbisha Shoshone tribe Tohono O’Odham nation Tonto Apache people Torres Martinez Desert Cahuilla indians Twenty-Nine Palms tape of Mission indians Viejas tape of Kumeyaay ind Western Area strength Administration

How is the firm energy generated in ~ Hoover Dam allocated?

Arizona - 18.9527 percent Nevada - 23.3706 percent urban Water ar of southerly California - 28.5393 percent Burbank, CA - 0.5876 percent Glendale, CA - 1.5874 percent Pasadena, CA - 1.3629 percent Los Angeles, CA - 15.4229 percent southerly California Edison Co. - 5.5377 percent Azusa, CA - 0.1104 percent Anaheim, CA - 1.1487 percent Banning, CA - 0.0442 percent Colton, CA - 0.0884 percent Riverside, CA - 0.8615 percent Vernon, CA - 0.6185 percent Boulder City, NV - 1.7672 percent

How is the income from the revenue of strength used?

To pay every operation, maintenance and replacement expenses (including interest expense and repayment the investments) to meet the requirements of the project. The expense of building and construction completed and in service by 1937 to be repaid from power profits by might 31, 1987, other than for expenses relating to overwhelming control. Repayment the the $25 million building and construction costs allocated to flood control will it is in repaid through 2037. Any type of features included after might 31, 1987 will certainly be repaid in ~ 50 year of the day of environment or as established by Congress. In addition, Arizona and Nevada each obtain $300,000 each year in lieu the taxes.

General facts on Hydropower

Hydroelectricity is a clean, renewable (the water is no consumed and also can be supplied for various other purposes) resource of energy that walk not result in waiting pollution, chemical runoff, or toxic waste, and is therefore beneficial to the environment. However, the building of dams to provide hydroelectricity can impact the ecology of one area, so careful planning and licensing of hydroelectric dams are required to minimization such impacts.

What space the major parts the a generating unit?


The Exciter The Rotor

The Stator

The Shaft

The Turbine

The exciter is chin a little generator that renders electricity, i beg your pardon is sent out to the rotor, charging it through a magnetic field.

The rotor is a series of electromagnets, additionally called poles. The rotor is associated to the shaft, so the the rotor rotates once the pillar rotates.

The stator is a coil of copper wire. It is stationary.

The shaft connects the exciter and also the rotor come the turbine.

Water strikes the turbine causing it to spin. Hoover Dam provides Francis turbines.

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How does a generator create electricity?

Water operation through big pipes within a dam and also turns a large wheel referred to as a turbine. The wind turbine turns a shaft which rotates a collection of magnets previous copper coils and also a generator to produce electricity. This converts the energy of fallout’s water into mechanical energy to drive the generator.  Here’s a more detailed explanation: The water’s pressure on the blades of the turbine turns a rotor – a series of magnets - i m sorry is the rotating section of the generator whereby a magnetic ar is created. The stator is the stationary part of the generator do of coils that copper wire. Electrical energy is produced as the magnets that the rotors spin past the stationary wiring of the stator. This concept was found by scientist Michael Faraday in 1831 once he found that electricity might be developed by rotating magnets in ~ copper coils.