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The Energy Mix Concentration Index (EMCI): Methodological considerations for implementation.

Mar Rubio-Varas¹, Beatriz Muñoz-Delgado²

¹Institute for Advanced Research in Business and Economics (INARBE), Universidad Pública de Navarra (UPNA), Spain.

|June 14, 2019

Summary

The Energy Mix Concentration Index (EMCI) quantifies energy mix concentration to track energy transitions. This method reveals long-term energy structure transformations for better diversification insights.

Keywords:

Decarbonization Energy concentration Energy consumption Energy diversification Energy history Energy mix Energy security Energy transition Herfindahl-Hirschman Index

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Area of Science:

Energy Policy
Quantitative Analysis
Sustainable Development

Background:

Energy transitions involve significant shifts in energy structures.
Measuring the concentration or diversification of energy mixes is crucial for understanding these transitions.
Existing methods may lack a standardized approach for comparing long-term energy mix evolution.

Purpose of the Study:

To introduce and detail the methodology for the Energy Mix Concentration Index (EMCI).
To provide a quantitative tool for assessing the diversification of energy mixes over time.
To analyze the transformations in energy structures driving energy transitions.

Main Methods:

The Energy Mix Concentration Index (EMCI) is calculated using the Herfindahl-Hirschman Index framework.
Methodology details include aggregating diverse energy sources and transforming primary electricity.
The study explores sensitivity to data sets and specifications (e.g., inclusion of pre-modern energy sources).

Main Results:

The EMCI provides a robust measure for comparing the long-term evolution of energy mix concentration.
The paper clarifies aggregation methods for energy carriers and primary electricity.
Alternative specifications demonstrate the indicator's sensitivity and robustness.

Conclusions:

The EMCI is a valuable quantitative indicator for analyzing energy mix concentration and diversification.
This methodology aids in understanding the transformations underlying energy transitions.
The EMCI offers a consistent framework for long-term energy structure analysis.