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  2. Electricity - Wikipedia

    en.wikipedia.org/wiki/Electricity

    Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power, like mechanical power, is the rate of doing work, measured in watts, and represented by the letter P. The term wattage is used colloquially

  3. Electric energy consumption - Wikipedia

    en.wikipedia.org/wiki/Electric_energy_consumption

    Electric energy consumption is energy consumption in the form of electrical energy. [2] About a fifth of global energy is consumed as electricity: for residential, industrial, commercial, transportation and other purposes. [ 2 ]

  4. World energy supply and consumption - Wikipedia

    en.wikipedia.org/wiki/World_energy_supply_and...

    Total final consumption (TFC) is the worldwide consumption of energy by end-users (whereas primary energy consumption (Eurostat) [24] or total energy supply (IEA) is total energy demand and thus also includes what the energy sector uses itself and transformation and distribution losses). This energy consists of fuel (78%) and electricity (22%).

  5. Energy in the United States - Wikipedia

    en.wikipedia.org/wiki/Energy_in_the_United_States

    The state with the lowest per capita energy use is Rhode Island, at 161 million BTU per year, and the highest is Louisiana, at 908 million BTU per year. Energy use and prices often have an inverse relationship; Hawaii uses some of the least energy per capita but pays the highest price on average, while Louisiana pays the least on average. [75]

  6. Electricity sector of the United States - Wikipedia

    en.wikipedia.org/wiki/Electricity_sector_of_the...

    An important factor that influences tariff levels is the mix of energy sources used in power generation. For example, access to cheap federal power from hydropower plants contributes to low electricity tariffs in some states. Average residential electricity consumption in the U.S. was 936 kWh/month per in 2007, and the average bill was US$100 ...

  7. List of countries by electricity consumption - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    By 2025, Asia is projected to account for half of the world’s electricity consumption, with one-third of global electricity to be consumed in China. [1] This list of countries by electric energy consumption is mostly based on the Energy Information Administration. [2]

  8. Electrical energy - Wikipedia

    en.wikipedia.org/wiki/Electrical_energy

    Electric utilities measure energy using an electricity meter, which keeps a running total of the electric energy delivered to a customer. Electric heating is an example of converting electrical energy into another form of energy, heat. The simplest and most common type of electric heater uses electrical resistance to convert the energy. There ...

  9. Sources of electrical energy - Wikipedia

    en.wikipedia.org/wiki/Sources_of_electrical_energy

    Friction is the least-used of the six methods of producing energy. If a cloth rubs against an object, the object will display an effect called friction electricity. The object becomes charged due to the rubbing process, and now possesses an static electrical charge , hence it is also called static electricity .