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Measuring Market Concentration in European Power Exchanges 'Coupled' over a Meshed Cross-Border Network

机译：欧洲电力交换中的市场集中“耦合”在网格跨境网络上

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The European Electricity Markets are moving in the direction of market coupling and allocating the cross-border transmission capacity using implicit auctions. The tri-lateral power exchange combining the power exchanges of France, Belgium, and Netherlands is currently operational. German and Danish exchanges are to be coupled in June 2008. The integration of Netherlands, Belgium, France, Germany and Luxemburg is planned to be done by January 1, 2009. Such integrated clearing of European national electricity markets would allow using the cross-border transmission capacity more efficiently compared to the current bilateral management that does not allow full utilization of the cross-border capacity. This could help expanding the relevant geographic markets beyond the national borders, and promote competition in the European Electricity Market. Although the integrated management of the power flows over the looped networks best reflects the physics of electric power flows, it significantly complicates the analysis of competitiveness and concentration in such electricity markets. The topology of geographic markets created by such constraints is often non-trivial. In this paper a methodology is developed to assess the geographic scope of electricity wholesale markets in continental Europe implied by the cross-border transmission capacity allocated using the implicit auctions mechanisms of market coupling. This methodology applies the conventional methods of measuring unilateral market power in electricity markets, such as pivotal suppliers and residual demand elasticity, to perform a hypothetical monopoly test for identification of geographic relevant markets. The paper analyses the change in the topology of relevant geographic markets due to the introduction of market coupling using an approximate model of interconnected transmission network of 17 European countries compiled by [1].
机译：欧洲电力市场正在市场耦合方向，并使用隐式拍卖分配跨界传输能力。结合法国，比利时和荷兰的动力交换的三角电力交换目前是运作的。德国和丹麦交易所将于2008年6月加上联系。荷兰，比利时，法国，德国和卢森堡的整合计划于2009年1月1日完成。欧洲国家电力市场的这种综合清算将允许使用跨境与目前的双边管理更有效地更有效地传输容量，这些双边管理不允许充分利用跨境容量。这有助于扩展超出国界之外的相关地理市场，促进欧洲电力市场的竞争。尽管电力流量的综合管理通过环路网络的流量最佳地反映了电力流动的物理，但它显着使竞争力和浓度的分析复杂化。由此类约束创建的地理市场的拓扑通常是非微不足道的。在本文中，开发了一种方法，以评估欧洲大陆欧洲电力批发市场的地理范围，这些市场暗示的跨境传输能力分配的市场耦合机制分配的跨境传输能力。该方法采用传统方法测量电力市场中单侧市场力量，如关键供应商和剩余需求弹性，以对识别地理相关市场进行假设的垄断测试。本文分析了相关地理市场拓扑的变化，由于[1]编制了17个欧洲国家的互联传输网络的近似模型，引入了市场耦合。

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