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Transmission and wind investment in a deregulated electricity industry
University Collage London, , .
University of Copenhagen, , .
Norwegian University of Science and Technology, , .
Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
2013 (English)In: 10th International Conference on the European Energy Market: [Proceedings], IEEE Power Engineering Society , 2013, 1-7 p.Conference paper (Refereed)
Abstract [en]

The transition to a more sustainable energy system requires investment in renewable energy technologies such as wind. Due to the dispersed nature of sites for wind farms, concomitant expansionof the transmission network is also necessary. While the two objectives could be reconciled within the auspices of a regulated welfare-maximising planner, recent restructuring of electricity industries has introduced a merchant model for transmission investment, which provides congestion rents from construction of a new line. Thus, the merchant investor's incentives are different from those of producers carrying out investment in wind farms. In this paper, we analyse the interaction between the two conflicting objectives under various assumptions about the electricity market structure and the degree of producers' market power. Via a three-node illustrative example, we show that a merchant investor typically builds less transmission capacity than a welfare-maximising transmission system operator or central planner. Although social welfare is lower and nodal prices are generally higher with a merchant investor and when producers are assumed to behave à la Cournot, the effect of lower price response at the dominant demand node is to increase concentration of generation capacity. Hence, the distributional effects of transmission expansion depend on the relative supply-demand balance throughout the network.

Place, publisher, year, edition, pages
IEEE Power Engineering Society , 2013. 1-7 p.
National Category
Information Systems
Research subject
Computer and Systems Sciences
URN: urn:nbn:se:su:diva-114701DOI: 10.1109/EEM.2013.6607407ISBN: 978-1-4799-2008-2OAI: diva2:793807
10th International Conference on the European Energy Market (EEM), Stockholm 27-31 May 2013

 NB: Artikel urn:nbn:se:su:diva-111863 har samma titel.

Available from: 2015-03-09 Created: 2015-03-09 Last updated: 2016-02-08Bibliographically approved

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Siddiqui, Afzal
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Department of Computer and Systems Sciences
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