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Price computation in electricity auctions with complex rules: An analysis of investment signals

机译:具有复杂规则的电力拍卖中的价格计算:投资信号分析

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摘要

This paper discusses the problem of defining marginal costs when integer variables are present, in the context of short-term power auctions. Most of the proposals for price computation existing in the literature are concerned with short-term competitive equilibrium (generators should not be willing to change the dispatch assigned to them by the auctioneer), which implies operational-cost recovery for all of the generators accepted in the auction. However, this is in general not enough to choose between the different pricing schemes. We propose to include an additional criterion in order to discriminate among different pricing schemes: prices have to be also signals for generation expansion. Using this condition, we arrive to a single solution to the problem of defining prices, where they are computed as the shadow prices of the balance equations in a linear version of the unit commitment problem. Importantly, not every linearization of the unit commitment is valid; we develop the conditions for this linear model to provide adequate investment signals. Compared to other proposals in the literature, our results provide a strong motivation for the pricing scheme and a simple method for price computation.
机译:本文讨论在短期电力拍卖的背景下,当存在整数变量时定义边际成本的问题。文献中存在的大多数价格计算建议都与短期竞争均衡有关(发电商不愿改变拍卖人分配给他们的调度),这意味着回收所有被接受的发电商的运营成本。拍卖。但是,这通常不足以在不同的定价方案之间进行选择。我们建议包括一个附加标准,以便区分不同的定价方案:价格也必须是发电量扩张的信号。使用这种条件,我们可以得出定义价格问题的单一解决方案,其中将它们作为单位承诺问题的线性版本中的平衡方程式的影子价格进行计算。重要的是,并非单位承诺的每个线性化都是有效的;我们为该线性模型开发了条件,以提供足够的投资信号。与文献中的其他建议相比,我们的结果为定价方案提供了强大的动力,并为价格计算提供了一种简单的方法。

著录项

  • 来源
    《Energy Policy》 |2017年第6期|550-561|共12页
  • 作者单位

    Univ Politecn Madrid, Sch Mines & Energy, Calle Rios Rosas 21, Madrid 28003, Spain|Gas Nat Fenosa, Ave San Luis 77, Madrid 28033, Spain;

    Univ Fed Fluminense, Fac Econ, Campus Gragoata,Bloco F, BR-24210510 Niteroi, RJ, Brazil|European Univ Inst, RSCAS, Florence Sch Regulat, Via Fontanelle 19, I-50014 Florence, Italy;

    Univ Fed Fluminense, Fac Econ, Campus Gragoata,Bloco F, BR-24210510 Niteroi, RJ, Brazil|European Univ Inst, RSCAS, Florence Sch Regulat, Via Fontanelle 19, I-50014 Florence, Italy|FGV, Ctr Regulat & Infrastruct Studies CERI, Bartio Itambi 60, Botafogo, RJ, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Electricity auctions; Investment signals; Side payments; Integer decisions; Marginal cost;

    机译:电力拍卖;投资信号;边际付款;整数决策;边际成本;

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