We evaluate the cost-effectiveness of various policy options and infrastructure investment proposals to improve the security of gas supply in Bulgaria, one of the most gas insecure countries in the European Union. We do this by computing ‘security of supply cost curve’ for different gas...

Continuity of energy supplies is a central aspect of concerns about energy security. Although the continuity of supplies can be influenced by a large number of risks, most models only analyse a small subset of risk sources and often neglect interdependencies between them. In this paper we...

Four years after the gas supply crisis of January 2009, this paper looks at the market and policy changes that have changed the European gas situation, and their implications in terms of security of supply. Several positive developments are identified, including the byapssing of Ukraine by...