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Industrial consumers’ electricity market participation options: a case study of an industrial cooling process in Denmark
Energy Informatics Pub Date : 2021-09-24 , DOI: 10.1186/s42162-021-00165-5
Nicolas Fatras 1, 2 , Bo Nørregaard Jørgensen 1 , Zheng Ma 3
Affiliation  

In a deregulated market context, industrial consumers often have multiple market participation options available to bid their flexible consumption in electricity markets and thereby reduce their electricity bill. Yet most participation strategies for demand response are developed in a fixed and predefined set of submarkets. Meanwhile, little literature has compared multiple market options for market participants. Therefore, this paper proposes a comparative approach between available market options to evaluate savings from different market participation options. More specifically, this study implements an optimisation program in Python to investigate the impacts of changes in an industrial process’ flexibility on savings with different market participation options. The optimisation program is tested with a case study of an industrial cooling process in three Danish submarkets (day-ahead, intraday, and regulating power markets). The market participation options are formed by different combinations of these three submarkets, and the type and amount of process flexibility are varied by changing time and load constraints in the optimisation program. The results show that bidding in market options with multiple submarkets yields higher savings than single-market bidding, but that increases in available flexibility impact savings in each market option differently. Increased flexibility will only bring additional savings if it allows to take further advantage of price variations in a market option. Additionally, increases in savings with flexibility depend on the considered type of flexibility. These changes in relative savings between market options at each flexibility level imply that the optimal market option is not a static choice for a process with variable operating conditions. The optimal market option for an industrial consumer depends not only on market price signals, but also on the type and amount of available flexibility.

中文翻译:

工业消费者的电力市场参与选择:丹麦工业冷却过程的案例研究

在放松管制的市场环境中,工业消费者通常有多种市场参与选项可供选择,以在电力市场中竞标他们的灵活消费,从而减少他们的电费。然而,大多数需求响应的参与策略是在一组固定和预定义的子市场中制定的。同时,很少有文献比较市场参与者的多种市场选择。因此,本文提出了一种可用市场选项之间的比较方法,以评估不同市场参与选项的节省。更具体地说,本研究在 Python 中实施了一个优化程序,以研究工业过程灵活性的变化对具有不同市场参与选项的储蓄的影响。该优化程序在丹麦三个子市场(日前、日内和调节电力市场)中的工业冷却过程案例研究中进行了测试。市场参与选项由这三个子市场的不同组合形成,过程灵活性的类型和数量随着优化程序中时间和负载约束的变化而变化。结果表明,在具有多个子市场的市场期权中投标比单一市场投标产生更高的节省,但可用灵活性的增加对每个市场选项的节省影响不同。如果允许进一步利用市场期权中的价格变化,增加的灵活性只会带来额外的节省。此外,灵活性的节省取决于所考虑的灵活性类型。在每个灵活性水平上,市场选择之间相对节省的这些变化意味着最佳市场选择不是具有可变操作条件的过程的静态选择。工业消费者的最佳市场选择不仅取决于市场价格信号,还取决于可用灵活性的类型和数量。
更新日期:2021-09-24
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