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  4. Indicators to measure intraday electricity market efficiency in 18 selected Member States of the European Union
 
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2019
Conference Paper
Title

Indicators to measure intraday electricity market efficiency in 18 selected Member States of the European Union

Abstract
With increasing volatile wind and solar energy generation, the importance regarding designs of intraday and balancing energy markets ensuring efficient allocation of energy supply is growing. Typically yearly traded volumes and prices of intraday power exchanges and imbalances are used to analyse the market performance. This study introduces two indicators to measure efficiency in intraday electricity markets. The efficiency is measured during hours of high deviation of actual and forecasted residual load. The results of the analysis show non-complementarity of activated balancing energy to forecast deviations, thus pointing to an inefficient market. As the power plant generation mix cannot sufficiently explain the intraday market inefficiency, further research regarding imbalance regulations and incentives as well as forecast information deferral and OTC trading practice is needed.
Author(s)
George, Jan F.  orcid-logo
Fraunhofer-Institut für System- und Innovationsforschung ISI  
Breitschopf, Barbara  orcid-logo
Fraunhofer-Institut für System- und Innovationsforschung ISI  
Winkler, Jenny  
Fraunhofer-Institut für System- und Innovationsforschung ISI  
Mainwork
16th International Conference on the European Energy Market, EEM 2019  
Conference
International Conference on the European Energy Market (EEM) 2019  
DOI
10.1109/EEM.2019.8916345
Language
English
Fraunhofer-Institut für System- und Innovationsforschung ISI  
Keyword(s)
  • forecast deviation

  • intraday market

  • inefficiency

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