How competitive are EU electricity markets? An assessment of ETS Phase II

Giorgio Castagneto-Gissey
Authors registered in the RePEc Author Service: Giorgio Castagneto Gissey ()

Energy Policy, 2014, vol. 73, issue C, 278-297

Abstract: This paper studies the interactions between electricity and carbon allowance prices in the year-ahead energy markets of France, Germany, United Kingdom and the Nordic countries, during Phase II of the EU ETS. VAR and Granger-causality methods are used to analyze causal interfaces, whereas the volatility of electricity prices is studied with basic and asymmetric AR-GARCH models. Among the main results, the marginal rate at which carbon prices feed into electricity prices is shown to be ca. 135% in the EEX and Nord Pool markets, where electricity and carbon prices display bidirectional causality, and 109% in the UK. Therefore, generators in these markets internalized the cost of freely allotted emission allowances into their electricity prices considerably more than the proportionate increase in costs justified by effective carbon intensity. Moreover, electricity prices in France are found to Granger-cause the carbon price. This study also shows how European electricity prices are deeply linked to coal prices among other factors, both in terms of levels and volatility, regardless of the underlying fuel mix, and that coal was marginally more profitable than gas for electricity generation. EU policies aimed at increasing the carbon price are likely to be crucial in limiting the externalities involved in the transition to a low-carbon system.

Keywords: Electricity forward prices; EU ETS Phase II; Carbon cost pass-through; Competition policy; Volatility; Coal (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (18)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:73:y:2014:i:c:p:278-297

DOI: 10.1016/j.enpol.2014.06.015

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