Space-time dynamics of electricity markets incentivize technology decentralization

Space-time dynamics of electricity markets incentivize technology decentralization
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电力市场的时空动态激励技术去中心化

DOI:
10.1016/j.compchemeng.2019.05.005
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发表时间:
2019
期刊:
Computers chemical engineering
影响因子:
--
通讯作者:
Zavala, Victor
Zavala, Victor
中科院分区:
--
文献类型:
--
作者:
Shao, Yue;Zavala, Victor

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我们研究了日前和实时电力市场的时空动态提供的经济激励。具体来说,我们试图分析这种动态在多大程度上促进了发电、消费和存储技术的分散化(这对于获得更灵活的电网至关重要)。考虑到最近对部署小规模模块化技术的兴趣(例如,模块化氨和沼气生产系统)。我们的分析是基于一个资产配置问题,旨在找到最佳位置的发电机和负载在网络中,利润风险最小化。我们表明,这个问题的一个无约束的版本可以被铸造作为一个特征值问题。在这种表示下,最优网络分配是时空价格协方差矩阵的特征向量,而特征值是相关的利润方差。我们还构建了一个更复杂的布局公式,捕捉不同的风险指标和技术类型的限制,系统地分析预期利润和风险的权衡。我们的分析表明,时空市场动态为权力下放和战略资产配置提供了重要的激励,但只有通过同时投资发电和负荷(可以使用电池或微电网实现)才能完全缓解风险。
We study economic incentives provided by space-time dynamics of day-ahead and real-time electricity markets. Specifically, we seek to analyze to what extent such dynamics promote decentralization of technologies for generation, consumption, and storage (which is essential to obtain a more flexible power grid). Incentives for decentralization are also of relevance given recent interest in the deployment of small-scale modular technologies (e.g., modular ammonia and biogas production systems). Our analysis is based on an asset placement problem that seeks to find optimal locations for generators and loads in the network that minimize profit risk. We show that an unconstrained version of this problem can be cast as an eigenvalue problem. Under this representation, optimal network allocations are eigenvectors of the space-time price covariance matrix while the eigenvalues are the associated profit variances. We also construct a more sophisticated placement formulation that captures different risk metrics and constraints on types of technologies to systematically analyze trade-offs in expected profit and risk. Our analysis reveals that space-time market dynamics provide significant incentives for decentralization and strategic asset placement but that full mitigation of risk is only possible through simultaneous investment in generation and loads (which can be achieved using batteries or microgrids).
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