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An Analysis of Market-to-Market Coordination 市场对市场协调的分析
Pub Date : 2025-07-29 DOI: 10.1109/TEMPR.2025.3581754
Weihang Ren;Álinson S. Xavier;Fengyu Wang;Yongpei Guan;Feng Qiu
Interregional transmission congestion presents significant challenges for Regional Transmission Operators (RTOs), particularly when loop flow diverts electricity from scheduled paths, occupying neighboring grids and increasing congestion costs. To mitigate this cross-regional congestion, RTOs employ a market-to-market (M2M) process through an iterative method, in which they exchange real-time security-constrained economic dispatch solutions and communicate requests for congestion relief. While this method provides economic benefits, it struggles with issues like power swings and time delays. To explore the full potential of M2M enhancements, in this paper, we first analyze the current M2M iterative method practice to better understand its efficacy and identify places for improvements. Then, we explore enhancements and develop an ADMM method for M2M coordination that optimizes congestion management. Specifically, our ADMM method can achieve a minimal cost that is the same as the cost obtained through a centralized model that optimizes multiple markets altogether. Our final case studies, across a comprehensive set of multi-area benchmark instances, demonstrate the superior performance of the proposed ADMM algorithm for the M2M process. Meanwhile, we identify scenarios where the existing M2M process fails to provide solutions as a by-product. Finally, the algorithm is implemented in an open-source package UnitCommitment.jl for easy access by a broader audience.
区域间输电拥塞给区域输电运营商(RTOs)带来了重大挑战,特别是当环路从预定路径转移电力,占用邻近电网并增加拥堵成本时。为了缓解这种跨区域的拥堵,rto通过迭代方法采用市场对市场(M2M)流程,在该流程中,他们交换实时安全约束的经济调度解决方案,并沟通缓解拥堵的请求。虽然这种方法提供了经济效益,但它也面临着权力波动和时间延迟等问题。为了探索M2M增强的全部潜力,在本文中,我们首先分析当前的M2M迭代方法实践,以更好地了解其有效性并确定需要改进的地方。然后,我们探索增强并开发了一种优化拥塞管理的M2M协调的ADMM方法。具体而言,我们的ADMM方法可以实现与通过集中模型同时优化多个市场获得的成本相同的最小成本。我们最后的案例研究跨越了一组全面的多区域基准实例,证明了所提出的ADMM算法在M2M过程中的优越性能。同时,我们确定了现有M2M流程无法作为副产品提供解决方案的场景。最后,该算法在一个开源包UnitCommitment中实现。Jl便于更广泛的受众访问。
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引用次数: 0
Institutional Barriers to Renewable Power Exchange and Emissions Reductions: An India Case Study 可再生能源交易和减排的制度障碍:印度案例研究
Pub Date : 2025-07-23 DOI: 10.1109/TEMPR.2025.3591824
Puneet Chitkara;Xiaoxue Hou;Johannes Urpelainen;Benjamin F. Hobbs
Institutional barriers such as local generation preferences, purchase agreements, and regulatory restrictions on contracting costs can hamper the interregional coordination needed to maximize the benefits of variable renewables. Such nonphysical barriers prevent optimization of dispatch across multiple control areas. Previous studies either assume efficient trade subject to physical transmission and generation constraints, or simple $/MWh hurdle rates for trade profitability, without explicitly relating model parameters to specific institutional features that could be addressed by market reforms. Here, we propose a market model with explicit representation of institutional barriers. Drawing inspiration from the international trade literature, where trade across jurisdictions is distinguished based on the origin of commodities, we add institutional constraints to a standard unit commitment model. Applying this model to India, we demonstrate how barriers to interstate power flow impact operating costs, emissions, and renewable energy integration. We find that these constraints could increase India’s annual bulk power operating costs by up to 29%, raise emissions by about 3%, and lead to renewable energy curtailment of more than 10% in some states. As India aims to increase non-fossil fuel-based capacity to 500 GW by 2030, addressing these inefficiencies is crucial.
制度性障碍,如当地发电偏好、购买协议和对承包成本的监管限制,会阻碍实现可变可再生能源效益最大化所需的区域间协调。这种非物理障碍阻碍了跨多个控制区域的调度优化。先前的研究要么假设受物理传输和发电限制的有效贸易,要么假设交易盈利能力的简单门槛率为$/MWh,没有明确将模型参数与可以通过市场改革解决的具体制度特征联系起来。在此,我们提出了一个明确表示制度障碍的市场模型。在国际贸易文献中,跨司法管辖区的贸易是根据商品的原产地来区分的,我们从这些文献中获得灵感,在标准单位承诺模型中加入了制度约束。将此模型应用于印度,我们展示了州际电力流动的障碍如何影响运营成本、排放和可再生能源整合。我们发现,这些限制可能会使印度每年的大型电力运营成本增加29%,排放量增加约3%,并导致一些邦的可再生能源弃电率超过10%。印度的目标是到2030年将非化石燃料发电能力提高到5亿瓦,因此解决这些低效率问题至关重要。
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引用次数: 0
Hybrid Energy Storage Dispatch: A Bi-Level Look-Ahead Learning-Assisted Model 混合储能调度:一个双层前瞻学习辅助模型
Pub Date : 2025-07-14 DOI: 10.1109/TEMPR.2025.3589133
Hooman Khaloie;Andrej Stankovski;Blazhe Gjorgiev;Giovanni Sansavini;François Vallée
Compressed Air Energy Storage (CAES) and Cryogenic Energy Storage (CES) are emerging as promising technologies for sustainable grid-scale applications. To surmount the capacity and geological limitations of traditional CAES systems, this study capitalizes on the hybridization of above-ground CAES with CES, utilizing energy conversion between compressed and liquid air. Here, we develop a comprehensive mathematical model for the operation of the hybrid CAES-CES plant, incorporating discrete constraints to manage internal energy transfers and coordination. The model is leveraged to develop the: i) look-ahead dispatch schedule over the following days to enhance adaptability in managing stored energy to maximize benefits, and ii) strategic behavior in electricity markets through unified offers/bids submission. The dispatch problem is structured as a bi-level optimization, with the lower-level addressing market-clearing processes and the upper-level handling storage profit maximization. We reformulate the bi-level setup into a mixed-integer programming model using a mathematical program with equilibrium constraints. To mitigate the computational burden associated with the large number of integer variables in the optimization, we implement a learning-assisted framework for warm-starting these variables. Numerical results show that the hybrid plant can yield up to a 9.08% profit improvement over the standalone alternative under the look-ahead strategy. Further, results demonstrate that under the bi-level setup, the warm-start strategy effectively reduces computation time by 29.30% and 13.35% in the 24- and 118-bus networks, respectively.
压缩空气储能(CAES)和低温储能(CES)正在成为可持续电网规模应用的有前途的技术。为了克服传统CAES系统的容量和地质限制,本研究利用压缩空气和液态空气之间的能量转换,将地上CAES与CES结合起来。在这里,我们开发了一个综合的CAES-CES混合电厂运行的数学模型,纳入离散约束来管理内部能量传递和协调。利用该模型制定:i)未来几天的前瞻性调度计划,以增强管理储能的适应性,以实现效益最大化;ii)通过统一的报价/投标提交,在电力市场中制定战略行为。调度问题结构为双层优化,下层处理市场出清过程,上层处理存储利润最大化。我们用一个带有平衡约束的数学规划将双能级设置重新表述为一个混合整数规划模型。为了减轻与优化中大量整数变量相关的计算负担,我们实现了一个用于热启动这些变量的学习辅助框架。数值结果表明,在前瞻性策略下,混合电厂比独立电厂的利润提高高达9.08%。此外,结果表明,在双级设置下,热启动策略在24总线和118总线网络中分别有效地减少了29.30%和13.35%的计算时间。
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引用次数: 0
Market Organization in Low-Income Countries’ Microgrids: Insights From Electricity Demand Elasticity and Game-Theory Optimization. Case Study: Lebanon 低收入国家微电网的市场组织:来自电力需求弹性和博弈论优化的见解。案例研究:黎巴嫩
Pub Date : 2025-07-08 DOI: 10.1109/TEMPR.2025.3585959
Sebastian Zwickl-Bernhard;Anne F. Neumann;Majd Olleik;Haytham M. Dbouk
In Lebanon, the publicly organized electricity grid has struggled for decades to provide a reliable electricity supply and has nearly collapsed. In response, a network of distributed diesel generators has flourished as an alternative to the unreliable central grid. However, electricity prices within these microgrids remain largely unregulated. This study has two main objectives: first, to estimate the electricity demand elasticity of residential consumers using a unique dataset from a Lebanese microgrid in Deir Kanoun al Naher; second, to analyze how the microgrid owner’s knowledge of this elasticity affects electricity pricing to maximize profits. We apply an ordinary least squares estimator to determine electricity demand elasticity and a game-theory-based optimization model to derive the microgrid owner’s profit-maximizing pricing strategy. The estimated selling price elasticity is $-0.48$, indicating relatively inelastic demand, in line with values reported for developing countries. Considering the estimated elasticity in the pricing strategy resulting in an increase of $54 %$, revenues increase by up to $15 %$, while the share of suppressed demand reaches approximately $25 %$. Sensitivity analysis suggests that higher price elasticity mitigates excessive pricing strategies. The role of the public grid and solar PV penetration presents a promising direction for future research.
在黎巴嫩,公共组织的电网几十年来一直在努力提供可靠的电力供应,几乎崩溃。作为回应,分布式柴油发电机网络蓬勃发展,成为不可靠的中央电网的替代方案。然而,这些微电网的电价在很大程度上仍然不受监管。本研究有两个主要目标:首先,使用来自Deir Kanoun al Naher的黎巴嫩微电网的独特数据集来估计住宅消费者的电力需求弹性;其次,分析微电网所有者对这种弹性的认识如何影响电价以实现利润最大化。本文采用普通最小二乘估计来确定电力需求弹性,并采用基于博弈论的优化模型来推导微电网所有者利润最大化的定价策略。估计销售价格弹性为-0.48美元,表明需求相对缺乏弹性,与发展中国家的报告值一致。考虑到定价策略的估计弹性导致了54%的增长,收入增加了15%,而被抑制的需求份额达到了大约25%。敏感性分析表明,较高的价格弹性减轻了过度的定价策略。公共电网的作用和太阳能光伏的渗透是未来研究的一个有希望的方向。
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引用次数: 0
Joint Investment-Operation Planning for Assessing the Economic Impact of Hydrogen Integration in Power Systems 联合投资运营计划评估氢在电力系统中的经济影响
Pub Date : 2025-07-02 DOI: 10.1109/TEMPR.2025.3584189
Amin Maghami;Evrim Ursavas;Ashish Cherukuri
The transition to renewable energy is pivotal for achieving decarbonization goals in the electricity sector. The focus on low-carbon emissions extends beyond the power sector, emphasizing the need for efficient planning for other energy carriers like green hydrogen. However, the intermittency of renewable sources necessitates solutions for operational planning and supply security, making energy storage systems vital for grid services. Battery energy storage systems (BESS) play a key role in future power networks dominated by renewables, as a short-term buffer. This study explores the conditions under which integrating large-scale BESS with hydrogen facilities in the power network enhances overall system profitability. We analyze this by formulating a joint investment-operation decision-making process, modeled as a mixed-integer chance-constrained optimization problem. To address computational challenges, we implement a scalable decomposition-based solution method that enables tractable optimization. Through the optimal solutions, we analyze different incentive strategies and technology cost scenarios to accelerate the kick-off of hydrogen production. By addressing the challenges of intermittency, pricing mechanisms, and optimizing the synergy between BESS and hydrogen systems, this research provides insights for resilient and profitable renewable energy networks, highlighting that hydrogen selling price significantly influences investment decisions and that incentives can accelerate market entry and transition.
向可再生能源的过渡对于实现电力部门的脱碳目标至关重要。对低碳排放的关注超出了电力行业,强调了对绿色氢等其他能源载体进行有效规划的必要性。然而,可再生能源的间歇性需要运营规划和供应安全的解决方案,这使得储能系统对电网服务至关重要。电池储能系统(BESS)作为一种短期缓冲,在以可再生能源为主的未来电网中发挥着关键作用。本研究探讨在何种条件下,大型电池储能系统与氢能源设施在电网中整合能够提高整体系统的盈利能力。我们通过制定一个联合投资运营决策过程来分析这个问题,该决策过程被建模为一个混合整数机会约束优化问题。为了解决计算方面的挑战,我们实现了一种可扩展的基于分解的解决方案方法,实现了可处理的优化。通过最优解,分析了加速氢生产的不同激励策略和技术成本情景。通过解决间歇性、定价机制和优化BESS和氢系统之间的协同作用的挑战,本研究为弹性和盈利的可再生能源网络提供了见解,强调氢销售价格显著影响投资决策,激励措施可以加速市场进入和转型。
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引用次数: 0
Strategic and Fair Aggregator Interactions in Energy Markets: Multi-Agent Dynamics and Quasiconcave Games 能源市场中的战略与公平聚合互动:多智能体动力学与准iconcave博弈
Pub Date : 2025-06-23 DOI: 10.1109/TEMPR.2025.3581089
Jiayi Li;Matt Motoki;Baosen Zhang
The introduction of aggregator structures has proven effective in bringing fairness to energy resource allocation by negotiating for more resources and economic surplus on behalf of users. This paper extends the fair energy resource allocation problem to a multi-agent setting, focusing on interactions among multiple aggregators in an electricity market. We consider a setting where aggregators submit quantity-only bids as in a noncooperative Cournot game. Unlike classical Cournot models, where firms optimize only for profit, our framework incorporates a bi-level decision process, in which each aggregator determines its total purchase while simultaneously optimizing the internal allocation among its users based on fairness-efficiency trade-off objectives and constraints. We prove that the strategic optimization problems faced by the aggregators form a quasi-concave game, ensuring the existence of a Nash equilibrium. This resolves complexities related to market price dependencies on total purchases and balancing fairness and efficiency in energy allocation. In addition, we design simulations to characterize the equilibrium points of the induced game, demonstrating how aggregators stabilize market outcomes, ensure fair resource distribution, and optimize user surplus. Our findings offer a robust framework for understanding strategic interactions among aggregators, contributing to more efficient and equitable energy markets.
事实证明,聚合器结构的引入,通过代表用户协商更多的资源和经济盈余,有效地实现了能源资源分配的公平性。本文将能源公平分配问题扩展到多智能体环境下,重点研究电力市场中多个聚合器之间的相互作用。我们考虑在非合作古诺博弈中聚合者只提交数量投标的设置。与传统的古诺模型不同,在古诺模型中,企业只为了利润而优化,我们的框架包含了一个双层决策过程,在这个过程中,每个聚合器决定其总购买量,同时基于公平-效率权衡的目标和约束优化其用户之间的内部分配。证明了聚合器所面临的策略优化问题形成一个准凹对策,保证了纳什均衡的存在。这解决了市场价格依赖于总购买量以及平衡能源分配中的公平和效率的复杂性。此外,我们设计模拟来表征诱导博弈的均衡点,展示聚合器如何稳定市场结果,确保公平的资源分配,并优化用户剩余。我们的研究结果为理解聚合商之间的战略互动提供了一个强有力的框架,有助于提高能源市场的效率和公平性。
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引用次数: 0
Minimizing Bid Adjustments and Maximizing Flexibility: A Comprehensive Framework for Grid Prequalification of DERs 最小化投标调整和最大化灵活性:电网预审DERs的综合框架
Pub Date : 2025-06-16 DOI: 10.1109/TEMPR.2025.3580217
Rohit Vijay;Parul Mathuria
Distributed Energy Resources (DERs) offer great potential to provide flexibility-based services but come with operational challenges when integrated in the centralized ancillary service (AS) market operated by transmission system operator (TSO). The current market arrangement lacks sufficient resolution of distribution constraints during market clearing. To address this issue, a detailed grid prequalification process is required before DER participation in the centralized market. In this context, this paper introduces a detailed framework for distribution system operators (DSOs) to qualify DERs and adjust their operational limits, maximizing flexibility with minimal bid deviation. The framework employs network capability regions to consider distribution constraints, uses the Euclidean distance to reduce complex power deviations, and considers grid integration costs as a preference criterion for bid modifications. Results confirm that using a single network capability region allows for dynamic prequalification, which enhances transparency and reduces the need for bid adjustments. Additionally, considering grid integration costs can lead to savings on future reinforcement expenses for DSOs. The approach has been tested using IEEE standard bus systems, demonstrating enhanced flexibility in DERs, which is transferred to the TSO. This approach is suitable for larger systems having multiple DERs connected under a single DSO.
分布式能源(DERs)为提供基于灵活性的服务提供了巨大的潜力,但当与传输系统运营商(TSO)运营的集中式辅助服务(AS)市场集成时,也面临着运营挑战。现行市场安排缺乏对市场出清过程中分配约束的充分解决。为了解决这个问题,在DER参与集中式市场之前,需要进行详细的电网资格预审过程。在此背景下,本文介绍了一个详细的框架,供配电系统运营商(dso)对der进行资格认证并调整其运行限制,以最小的出价偏差最大化灵活性。该框架采用网络能力区域来考虑配电约束,利用欧几里得距离来减少复杂的功率偏差,并将电网整合成本作为出价修改的偏好标准。结果证实,使用单一网络能力区域允许动态资格预审,这提高了透明度并减少了投标调整的需要。此外,考虑电网整合成本可以节省dso未来的加固费用。该方法已经使用IEEE标准总线系统进行了测试,证明了DERs的灵活性增强,并将其转移到TSO。这种方法适用于在单个DSO下连接多个der的大型系统。
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引用次数: 0
Blank Page 空白页
Pub Date : 2025-06-13 DOI: 10.1109/TEMPR.2025.3573826
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引用次数: 0
IEEE Power & Energy Society Information IEEE电力与能源协会信息
Pub Date : 2025-06-13 DOI: 10.1109/TEMPR.2025.3573822
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引用次数: 0
IEEE Transactions on Energy Markets, Policy, and Regulation Information for Authors IEEE能源市场、政策和法规信息汇刊
Pub Date : 2025-06-13 DOI: 10.1109/TEMPR.2025.3573824
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引用次数: 0
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IEEE Transactions on Energy Markets, Policy and Regulation
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