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Classification of energy-related problems for LCA methodologya case study based approach
Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
2007 (English)Conference paper, (Refereed)
Abstract [en]

In the current LCA literature, energy issues are very cursorily treated, if at all. Papers in the area tend to be restricted in scope to specific product categories or specific industries and do not primarily aim at formulating a theoretical foundation for energy in LCA methodology. This paper can be regarded as a contribution to the development of such a foundation. We show how the energy-related problems can be classified into twelve types. Some of these are well-known and adequate solutions exist, some needs further work. Note that we do not claim that it is always necessary to include an energy perspective in LCA, but we do claim that there are certain kinds of contexts or circumstances that make it essential. For the latter cases, a well-defined and scientifically well-founded methodology should be developed. We show here that such a development has to overcome a number of difficult obstacles.

In LCA methods, energy has hitherto been treated so that i) some kinds of energy-related environmental effects have been left out of the analysis; ii) the LCA indices give the wrong signals with regard to energy savings or efficiency improvement potentials. Obviously, the problems caused by such procedures are most severe for energy-intensive industries and in particular for the energy sector.

We discuss two major kinds of dangers with not using a theoretically well-founded energy concept and methodology in an LCA. First, an element of arbitrariness is introduced, so that, e.g., the final value of an LCA index may be manipulated. Second, and for process and product development more severe, the LCA can lead to sub-optimal changes in the products and production processes

Place, publisher, year, edition, pages
2007.
Keyword [en]
Energy LCA methodology
National Category
Energy Systems
Research subject
Environmental and Energy Systems
Identifiers
URN: urn:nbn:se:kau:diva-17695OAI: oai:DiVA.org:kau-17695DiVA: diva2:591307
Conference
SETAC Europe 14th LCA Case Studies Symposium, Göteborg 3-4 December 2007
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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