Fallacies of energy efficiency indicators: Recognizing the complexity of the metabolic pattern of the economy

Raúl Velasco-Fernández, Tessa Dunlop, Mario Giampietro*

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

The strategy of energy efficiency to save energy is deceptively simple: the idea is to use less input for the highest amount of useful output. However, on a practical and conceptual level, efficiency is an ambiguous and problematic concept to implement. Of particular concern is the lack of contextual and qualitative information provided in energy efficiency measurements based on simple ratios. Oversimplification of efficiency measurements can have a detrimental effect on the choice of energy policies. Efficiency measurements are particularly problematic on a macroeconomic scale where a significant amount of meaningful information is lost through the aggregation of data into a simple ratio (economic energy intensity). First, practical examples are presented flagging conceptual problems with energy efficiency indicators, then an alternative accounting method—the end-use matrix—based on the concept of the metabolic pattern of social-ecological systems is illustrated to show the possibility of enriching efficiency indicators by adding qualitative and contextual information across multiple scales and dimensions. This method unpacks and structures salient energy input and output information in a meaningful and transparent way by generating a rich multi-level and multi-dimensional information space.

Original languageAmerican English
Article number111089
JournalEnergy Policy
Volume137
DOIs
Publication statusPublished - Feb 2020

Keywords

  • End-use matrix
  • Energy efficiency
  • Energy performance
  • Energy policy
  • Jevons paradox
  • Metabolic pattern

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