The External Dimension of the EU Energy Security in the Field of Natural Gas – the Approach to Diversification of Suppliers
The paper deals with one aspect of the external dimension of EU energy security, namely the question of diversification of the natural gas supply in the case of import dependence. The diversification of natural gas imports plays a specific role, as it depends on the capability and acceptability of new transport routes. The aim of this paper is to create a methodological framework for evaluating individual variants of the diversification of pipelines and suppliers by using quantitative methods. For the comparison of gas pipeline variants, six criteria were chosen (annual gas pipeline capacity, the contract price and margins negotiated with the natural gas producer and transit states, the remaining available natural gas reserves in the source country, political and security stability of source countries, the number and political and security stability of transit countries, and energy density of natural gas). From the criteria an index was constructed. This makes it possible to compare alternatives while taking into account the political and economic dimension in the planning and implementation of transport networks.
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