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Electricity facts


Energy consumption in the U.S.

According to the U.S. Energy Information Administration, electricity consumption will increase by 51 percent from 2002 to 2025.

Reference: http://www.powerhousetv.com/

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What is the amount of electricity generated from various sources?

In 2002, the following amount of electricity, in gigawatt-hours, was generated from the following sources of fuel:
  • Coal: 1,925,792 GWh
  • Nuclear: 779,461 GWh
  • Gas: 695,226 GWh
  • Hydro: 255,077 GWh
  • Fuel oil: 91,629 GWh
  • Biomass: 71,534 GWh
  • Other (geothermal, non-wood waste, wind and solar): 22,737 GWh


Reference: http://www.powerhousetv.com/

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First central power plant

The first central power plant Pearl Street Station in lower Manhattan, built by Thomas Edison began generating electricity on September 4, 1882. Pearl Street had one generator and it produced power for 800 electric light bulbs. Within 14 months, Pearl Street Station had 508 subscribers and 12,732 bulbs.

Reference: http://www.powerhousetv.com/

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Facts about the electric utility industry

Since the first power plant (thomas edison's power plant) lit up 800 light bulbs in 1882, the electric utility industry has grown to generate over 2.5 million gigawatt-hours annually, the equivalent of lighting 4.8 billion 60-watt light bulbs for a year

Reference: http://www.powerhousetv.com/

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Most consumed energy resource in the U.S

Currently, OIL provides the largest share of U.S. energy consumption -- about 41 percent of the entire market. Natural gas provides about 24 percent, coal 23 percent, hydropower 4 percent and nuclear power 8 percent.

In the United States, natural gas is used for:

  • Industrial processes = 46%
  • Residential use = 22%
  • Generating electricity = 15%
  • Commercial buildings = 15%


Reference: http://www.powerhousetv.com/

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Potential renewable energy resources

Energy crops, like switchgrass or fast-growing trees, could provide more than 5,000 megawatts of electricity annually by the year 2010, supporting more than 170,000 jobs and diversifying local farming operations.

Reference: http://www.powerhousetv.com/

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Projected U.S. wind energy usage

The U.S. Department of Energy expects wind power to supply at least five percent of the nation's electricity by 2020.

Reference: http://www.powerhousetv.com/

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Why use silicon to make photovoltaic cells?

Silicon from one ton of sand, used in photovoltaic cells, could produce as much electricity as burning 500,000 tons of coal.

Reference: http://www.powerhousetv.com/

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Geothermal energy in the u.s.

Geothermal energy currently provides more than 2,700 megawatts of electricity nationwide - the equivalent of three nuclear power plants, or enough to power more than 3.5 million homes. A geothermal power plant emits no nitrogen oxides, very few sulfur dioxides and 1,000 to 2,000 times less carbon dioxide than a fossil fuel plant.

Reference: http://www.powerhousetv.com/

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There is a virus battery!

By manipulating a few genes of a virus, researchers at MIT have been able to get this virus to grow and assemble itself in such a way that it functions as a battery!

Reference: http://www.powerhousetv.com/

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