University of Arizona IceBank energy storage improves the power e?ciency of cogeneration at one of the largest thermal energy storage installations in the world. Old Main, constructed in 1891, was the original University Building. OVERVIEW In the Report of the National Energy Policy Development Group, The National Energy Policy de?ned cogeneration as “the production of electricity and another form of energy (such as heat or steam) used for industrial, commercial, heating or cooling purposes. ” Turbines, which are like powerful engines, produce boththe heat and the power. This combined generation can increase the e?ciency of the fossil fuel-based power plants from an average of 35-40% to over 80%. In addition to better e?ciency, cogeneration o?ers reliability and lifecycle cost advantag

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