There is a consensus that climate policies have a positive impact on gas, coal and oil dependency thanks to decreasing consumption of fossil fuel. However, the energy security is broader concept (APERC, 2007; Hughes, 2009; Sovacool, Mukherjee, 2011; Cherp, Jewell, 2014) that should take into account the availability of supply (dependency, diversity, energy reserves) and the ability of economy to deal with energy risks, as well as the energy sould be affordable and suistainable. Even if the global impact of worldwide climate policy is fairly positive, there are also some negative impacts. Sovacool and Saunders (2014) investigate 14 measures to address climate change, but half of them are in contradiction with energy security objectives. Bollen et al. (2010) study how the combination of energy security, climate and pollution policies affect GHG emissions, polition level and oil consumption in OECD countries. The authors show that in some cases a climate policy can be inconsistent with the reduction of pollution and would simply delay peak oil consumption. Other authors point out additional potential weaknesses: reduction in supply diversity (Victor et al., 2014; Jewell et al. 2014), increasing energy dependency (Bazilian et al. 2011) etc. Our objective in this study is to analyze the European energy security in post-Paris deep decarbonisation scenarios using POLES model. We also propose a further analysis of energy security issues with respect to two elements of crucial importance in the European context: role of gas in European energy mix and the fesability of the high share of intermittent renewable in electricity mixe. This study is a part of European project RIPPLES, coordinated by French Institute for Sustainable Development and International Relation (IDDRI).
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