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  2. Electrical efficiency - Wikipedia

    en.wikipedia.org/wiki/Electrical_efficiency

    High efficiency is particularly relevant in systems that can operate from batteries. Inefficiency may require weighing the cost either of the wasted energy, or of the required power supply, against the cost of attaining greater efficiency. Efficiency can usually be improved by choosing different components or by redesigning the system.

  3. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    The electricity is then converted into light energy by the electrical arc (electrode efficiency and discharge efficiency). The light is then transferred to a fluorescent coating that only absorbs suitable wavelengths, with some losses of those wavelengths due to reflection off and transmission through the coating (transfer efficiency).

  4. Efficient energy use - Wikipedia

    en.wikipedia.org/wiki/Efficient_energy_use

    Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems.

  5. Electric power transmission - Wikipedia

    en.wikipedia.org/wiki/Electric_power_transmission

    Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation. The interconnected lines that facilitate this movement form a transmission network .

  6. Cogeneration - Wikipedia

    en.wikipedia.org/wiki/Cogeneration

    Thermal efficiency in a cogeneration system is defined ... High electric rates in New England and the Middle Atlantic make these areas of the United States the most ...

  7. High-voltage direct current - Wikipedia

    en.wikipedia.org/wiki/High-voltage_direct_current

    Long distance HVDC lines carrying hydroelectricity from Canada's Nelson River to this converter station where it is converted to AC for use in southern Manitoba's grid. A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. [1]