An evaluation of the Fort Polk energy savings performance contract

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The US Army, in cooperation with an energy services company (ESCO), used private capital to retrofit 4,003 family housing units on the Fort Polk, Louisiana, military base with geothermal heat pumps (GHPs). The project was performed under an energy savings performance contract (ESPC) that provides for the Army and the ESCO to share the cost savings realized through the energy retrofit over the 20-year life of the contract. Under the terms of the contract, the ESCO is responsible for maintaining the GHPs and provides ongoing measurement and verification (M and V) to assure cost and energy savings to the Army. ... continued below

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Hughes, P.J. & Shonder, J.A. November 1, 1998.

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The US Army, in cooperation with an energy services company (ESCO), used private capital to retrofit 4,003 family housing units on the Fort Polk, Louisiana, military base with geothermal heat pumps (GHPs). The project was performed under an energy savings performance contract (ESPC) that provides for the Army and the ESCO to share the cost savings realized through the energy retrofit over the 20-year life of the contract. Under the terms of the contract, the ESCO is responsible for maintaining the GHPs and provides ongoing measurement and verification (M and V) to assure cost and energy savings to the Army. An independent evaluation conducted by the Department of Energy`s Oak Ridge National Laboratory indicates that the GHP systems in combination with other energy retrofit measures have reduced annual whole-community electrical consumption by 33%, and natural gas consumption by 100%. These energy savings correspond to an estimated reduction in CO{sub 2} emissions of 22,400 tons per year. Peak electrical demand has been reduced by 43%. The electrical energy and demand savings correspond to an improvement in the whole-community annual electric load factor from 0.52 to 0.62. As a result of the project, Fort Polk saves about $450,000 annually and benefits from complete renewal of the major energy consuming systems in family housing and maintenance of those systems for 20 years. Given the magnitude of the project, the cost and energy savings achieved, and the lessons learned during its design and implementation, the Fort Polk ESPC can provide a model for other housing-related energy savings performance contracts in both the public and private sectors.

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OSTI as DE99000215

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  • 1998 ACEEE summer study on energy efficiency in buildings, Pacific Grove, CA (United States), 23-28 Aug 1998

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  • Other: DE99000215
  • Report No.: ORNL/CP--99304
  • Report No.: CONF-980815--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 676946
  • Archival Resource Key: ark:/67531/metadc709037

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  • November 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 25, 2016, 12:13 p.m.

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Hughes, P.J. & Shonder, J.A. An evaluation of the Fort Polk energy savings performance contract, article, November 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc709037/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.