Practices related to internal and cross-border congestion management

Abstract

This paper is based on the survey conducted by the Working Group C5-4 on congestion management. First it describes various market conditions and institutional arrangements in the 18 countries participating in the survey. Then, internal and cross-border congestion management in these countries are presented. The interaction with the electricity market is discussed, considering allocation of transmission capacity, market schedule, congestion management tools and payment for the costs incurred. The survey shows that there is a tendency towards the use of market-based methods. Coordinated market-based measures seem to be the most effective. For the time being however, few systems have experiences with it