Energy Returned On Investment of Engineered Geothermal Systems Annual Report FY2011

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Energy Return On Investment (EROI) is an important figure of merit for assessing the viability of energy alternatives. For geothermal electric power generation, EROI is determined by the electricity delivered to the consumer compared to the energy consumed to construct, operate, and decommission the facility. Critical factors in determining the EROI of Engineered Geothermal Systems (EGS) are examined in this work. These include the input energy embodied into the system. The embodied energy includes the energy contained in the materials, as well as, that consumed in each stage of manufacturing from mining the raw materials to assembling the finished plant. ... continued below

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Mansure, A. J. December 31, 2011.

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Description

Energy Return On Investment (EROI) is an important figure of merit for assessing the viability of energy alternatives. For geothermal electric power generation, EROI is determined by the electricity delivered to the consumer compared to the energy consumed to construct, operate, and decommission the facility. Critical factors in determining the EROI of Engineered Geothermal Systems (EGS) are examined in this work. These include the input energy embodied into the system. The embodied energy includes the energy contained in the materials, as well as, that consumed in each stage of manufacturing from mining the raw materials to assembling the finished plant. Also critical are the system boundaries and value of the energy - heat is not as valuable as electrical energy.

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190 KB

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  • Report No.: DOE/EE/0002740-2
  • Grant Number: EE0002740
  • Office of Scientific & Technical Information Report Number: 1030494
  • Archival Resource Key: ark:/67531/metadc833549

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  • December 31, 2011

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  • May 19, 2016, 3:16 p.m.

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  • July 22, 2016, 4:19 p.m.

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Mansure, A. J. Energy Returned On Investment of Engineered Geothermal Systems Annual Report FY2011, text, December 31, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc833549/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.