期刊
ENERGY POLICY
卷 94, 期 -, 页码 453-467出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2015.11.010
关键词
Congestion Management; Market Splitting; Generation Investment
资金
- Aufbruch Bayern (Bavaria on the move) initiative of the state of Bavaria
- Emerging Field Initiative (EFI) of the Friedrich-Alexander-Universitat Erlangen-Nurnberg
- Deutsche Forschungsgemeinschaft [Sonderforschungsbereich/Transregio 154]
In liberalized electricity markets we observe different approaches to congestion management. While nodal pricing is implemented in Canada and some markets in the United States, European markets are split up into a limited number of price zones with uniform prices, in order to at least partially realize the benefits of regional price differentiation. Zonal boundaries often coincide with national borders, but some countries are also split into multiple zones. In this paper we shed light on possible negative welfare effects of market splitting that arise in a model where investment incentives in new generation capacity are taken into account if zones are misspecified. We show that standard approaches to configure price zones - on the basis of projected nodal price differences or congested transmission capacity - may fail to suggest reasonable zone specifications. Also an adjustment of Available Transfer Capacities (ATCs) between zones or a switch to flow-based market splitting does not ensure positive welfare effects. Our analysis suggests that a careful and detailed evaluation of the system is needed to ensure a reasonable zone configuration. (C) 2016 Published by Elsevier Ltd.
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