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Extracting Embodied Energy Paths from Input-Output Tables: Towards an Input-Output-based Hybrid Energy Analysis Method

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  • Graham Treloar
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    Abstract

    Embodied energy is defined as the energy consumed in all activities necessary to support a process, including upstream processes. The Leontief inverse input-output (IO) matrix gives results that are practically complete, because of the aggregation of direct and indirect requirements, but which are also unreliable, because of inherent assumptions. Although accurate for the system boundary considered, process analysis results are incomplete relative to the pure IO system boundary. Attempts to combine process and IO analysis tend to be based on process analysis data. The system boundary is still significantly incomplete—although not as incomplete as for pure process analysis. An IO-based hybrid analysis technique that requires the extraction of particular paths from the direct IO matrix has been developed. The potential for embodied energy paths to be used as the basis for a hybrid analysis of the Australian residential building sector is discussed. The results indicate that less than three-quarters of the total embodied energy of this sector is likely to be able to be validated, because of the complexity of the embodied energy paths.

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    Bibliographic Info

    Article provided by Taylor & Francis Journals in its journal Economic Systems Research.

    Volume (Year): 9 (1997)
    Issue (Month): 4 ()
    Pages: 375-391

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    Handle: RePEc:taf:ecsysr:v:9:y:1997:i:4:p:375-391

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    Related research

    Keywords: Leontief inverse; energy analysis; hybrid analysis; particular paths;

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    Cited by:
    1. Kok, Rixt & Benders, Rene M.J. & Moll, Henri C., 2006. "Measuring the environmental load of household consumption using some methods based on input-output energy analysis: A comparison of methods and a discussion of results," Energy Policy, Elsevier, vol. 34(17), pages 2744-2761, November.
    2. Lenzen, Manfred & Wachsmann, Ulrike, 2004. "Wind turbines in Brazil and Germany: an example of geographical variability in life-cycle assessment," Applied Energy, Elsevier, vol. 77(2), pages 119-130, February.
    3. Hernandez, Patxi & Kenny, Paul, 2011. "Development of a methodology for life cycle building energy ratings," Energy Policy, Elsevier, vol. 39(6), pages 3779-3788, June.
    4. Wood, Richard & Lenzen, Manfred & Dey, Christopher & Lundie, Sven, 2006. "A comparative study of some environmental impacts of conventional and organic farming in Australia," Agricultural Systems, Elsevier, vol. 89(2-3), pages 324-348, September.
    5. Dixit, Manish K. & Fernández-Solís, Jose L. & Lavy, Sarel & Culp, Charles H., 2012. "Need for an embodied energy measurement protocol for buildings: A review paper," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(6), pages 3730-3743.
    6. Crawford, R.H., 2009. "Life cycle energy and greenhouse emissions analysis of wind turbines and the effect of size on energy yield," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(9), pages 2653-2660, December.
    7. Wiedmann, Thomas & Wilting, Harry C. & Lenzen, Manfred & Lutter, Stephan & Palm, Viveka, 2011. "Quo Vadis MRIO? Methodological, data and institutional requirements for multi-region input-output analysis," Ecological Economics, Elsevier, vol. 70(11), pages 1937-1945, September.
    8. Tarancón, Miguel Angel & del Río, Pablo & Callejas Albiñana, Fernando, 2010. "Assessing the influence of manufacturing sectors on electricity demand. A cross-country input-output approach," Energy Policy, Elsevier, vol. 38(4), pages 1900-1908, April.
    9. Lenzen, Manfred, 2003. "Environmentally important paths, linkages and key sectors in the Australian economy," Structural Change and Economic Dynamics, Elsevier, vol. 14(1), pages 1-34, March.

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