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Market Power And Transmission Congestion In The Italian Electricity Market
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Book Synopsis Market Power and Transmission Congestion in the Italian Electricity Market by : Simona Bigerna
Download or read book Market Power and Transmission Congestion in the Italian Electricity Market written by Simona Bigerna and published by . This book was released on 2014 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of market power in electricity markets is relevant for understanding the competitive development of the industry's restructuring and liberalization process. Because the existing literature lacks adequate consideration of line transmission congestion, this paper sets forth a new approach to measuring market power in the Italian Power Exchange (IPEX) by explicitly taking into account transmission line congestion. We construct the residual demand curve to disentangle the measure of unilateral market power from congestion rent for the main Italian generators during the period of April 2004 to December 2007. In Italy, this was a period of stable transmission network structure. Following the approach of Wolak (2003, 2009), we measure the unilateral market power with the Lerner Index (LI) computed as the inverse of the residual demand elasticity. In conclusion, the correct modeling of the residual demand curve including transmission congestions allows us to compute the zonal LI and therefore more accurately measure the market power when congestion occurs. Our results show that various generators exercise market power in only some zones, which provides us with a deeper understanding of the IPEX and better support for designing appropriate market surveillance and competition regulation.
Book Synopsis Principles of Electricity Markets Economics by : Massimiliano Coppo
Download or read book Principles of Electricity Markets Economics written by Massimiliano Coppo and published by Società Editrice Esculapio. This book was released on 2020-02-25 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is aimed at university students in engineering, in particular graduated students in the electrical engineering area who want to learn more about topics such as the operation of electricity markets and the related policy decisions. The book starts with providing the fundamental theory of economics and regulation in relation to the electricity sector and then recalls the theory of nodal prices for the valuation of electrical energy at a power system buses. Numerical examples are used to clarify the implications of the theoretical models presented. Along with the theoretical aspects of valuating electricity, the book addresses the organisation of markets, including the real case example of the Italian power exchange, the options for capacity markets, the valuation of investments in transmission capacity and the congestion management, briefly recalling the current state of European markets integration. Environmental externalities are addressed while focusing on the current state of emission trading systems and the support for renewable energy. Finally, price formation and financial products supporting electricity trading are discussed.
Book Synopsis Assessing Market Power in the Italian Electricity Market by : Francesco Rossetto
Download or read book Assessing Market Power in the Italian Electricity Market written by Francesco Rossetto and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measuring Market Power in Wholesale Electricity Italian Market by : C. Andrea Bollino
Download or read book Measuring Market Power in Wholesale Electricity Italian Market written by C. Andrea Bollino and published by . This book was released on 2019 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the new deregulated competitive Italian electricity many interesting issues arise as the market complexity, the firm strategic behavior, the market power size, and so on. Effective competition in the electricity market is a necessary features of a successful supply industry restructuring. In this paper we examine the degree of competition in the Italian market during the period April 2004 to December 2004 in two principal ways. In the first one we estimate a very intuitive relation among the differences between the hourly equilibrium price (ph) and the individual hourly bids that the competitors offer around ph, and a large set of structural and behavioral variables. In the second one the aim is twofold. The first one is to build the residual demand for each Italian Generation Company. The construction of the residual demand curve system is the necessary condition to get the second aim which is to measure the unilateral market power for the Italian Generation Companies. Following Wolak (2003) approach the appropriate measure of the unilateral market power is the Lerner index based on the residual demand curve elasticity which is computed as arc elasticity. The expected results is a deeper understanding of the Wholesale Italian Electricity Markets and of its mechanism in order to enhance competition and to design appropriate market surveillance.
Book Synopsis From Regulation to Competition: New frontiers in electricity markets by : Michael A. Einhorn
Download or read book From Regulation to Competition: New frontiers in electricity markets written by Michael A. Einhorn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electric utilities throughout the world continue to face new challenges involving ownership, market structure, and regulation. There are three related issues at hand. First, should ownership be private or public? Second, what operations should be integrated and where is competition feasible? Third, where is regulation necessary and can it be made more efficient? This volume bears directly upon these concerns. The book contains two sections. The first six articles discuss the British electricity experiment that has privatized and disintegrated the nation's generation, transmission, and distribution companies, introduced market competition for power purchases, and implemented incentive regulation for monopolized transmission and distribution grids. The remaining articles focus on the theater in which significant microeconomic issues will continue to emerge, most immediately in the U.K. and U.S.A. -- the coordination and pricing of transmission.
Book Synopsis Market Power in Italian Electricity Auctions by : Mattias Almqvist
Download or read book Market Power in Italian Electricity Auctions written by Mattias Almqvist and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study analyzes market power in the Italian adjustment market, one of the electricity auctions of the Italian electricity market, between 2005 and 2009. The purpose is to understand whether the four largest electricity producers submitted higher price offers to sell electricity when their levels of market power were higher. The study contributes by shedding light on producer behavior in a type of electricity auction that is rarely studied. It also contributes by incorporating the unusual empirical observation of price-elastic demand in the analysis. I compute hourly measures of ability and incentive to exercise market power for each producer using a theoretical model of bidding in electricity auctions and detailed auction data. Because the data include actual individual supply and demand functions, strong assumptions common in studies of imperfectly competitive markets can be relaxed. I estimate the relationship between producers' ability and incentive to exercise market power and their price offers controlling for daily changes in marginal cost. The results suggest that the producers submitted higher price offers when their levels of market power were higher. However, their levels of market power were mostly low and not all results are robust to changes in econometric specification. It is therefore unlikely that the producers distorted prices substantially in the Italian adjustment market by exercising market power.
Book Synopsis The Effect of the Transmission Grid on Market Power by :
Download or read book The Effect of the Transmission Grid on Market Power written by and published by . This book was released on 1997 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: If competition could extend without hindrance through the entire extent of an electrically connected power grid, the US would have just two electricity markets, each with a uniform price. These markets would be competitive indeed. Unfortunately, losses and congestion present barriers to competition and thereby provide the likelihood of significantly increased market power. This paper begins the analysis of congestion as it affects the physical extent of markets and thereby affects the degree of market power. This is new territory; very little has previously been written in this area. Although the theoretical developments reported here rely on complex economic analysis, and although the market behaviors described are extremely subtle, several broad generalizations relevant to policy analysis can be made. From these generalizations one major policy conclusion can be drawn: In an unregulated market it will be socially beneficial to build a grid that is more robust than what is optimal in a regulated environment. Unused capacity may be needed. For a line to support full competition it may need to have a capacity that is much greater than the flow that will take place on it under full competition. Markets do not have sharp boundaries. Even with only one line the two busses may be in different regions, the same region, or partially in each other's region. Increasing capacity is more effective on a small line. If connecting two busses with a very strong line will reduce market power, then the first MW of connecting capacity will have the most impact and each additional MW will have less. A congested line will cut a market into two non-competing regions. In each region the generators will markup according to the elasticity of the demand in only their region. A generator may reduce output in order to congest a line and increase its market power.
Book Synopsis The Evolution of Electricity Markets in Europe by : Leonardo Meeus
Download or read book The Evolution of Electricity Markets in Europe written by Leonardo Meeus and published by Edward Elgar Publishing. This book was released on 2020-11-27 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridging theory and practice, this book offers insights into how Europe has experienced the evolution of modern electricity markets from the end of the 1990s to the present day. It explores defining moments in the process, including the four waves of European legislative packages, landmark court cases, and the impact of climate strikes and marches.
Book Synopsis The Economics of Electricity Markets by : Clara Poletti
Download or read book The Economics of Electricity Markets written by Clara Poletti and published by Edward Elgar Publishing. This book was released on 2013-01-01 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Economics of Electricity Markets provides a cutting-edge analysis of the critical issues involved in the design and operation of electricity markets, as well as an assessment of alternative institutional arrangements that have either been implemented or are under discussion in Europe and the US. The book illustrates how a sound market design can render electricity trading and retailing very much like that of other commodities. Social and political concerns, rather than engineering or economics, are what make electricity markets 'special'. The expert contributors address a wide set of issues that arise when competition is introduced to the electricity industry, ranging from the design of spot and real-time power markets to alternative approaches to congestion management, from competition policy in wholesale electricity markets to the benefits and costs of retail competition, and from regulatory measures to ensure generation capacity adequacy to the politicization of generation investment decisions as a way of pursuing sustainability targets. This highly informative book will appeal to academics, students and researchers in the field of advanced energy economics, and will prove essential reading for energy regulators, professionals and executives wishing to explore the theoretical foundations underpinning their day-to-day activities.
Book Synopsis Strategic Bidding and Transmission Congestion Management in Deregulated Electricity Market by : Marta Marmiroli
Download or read book Strategic Bidding and Transmission Congestion Management in Deregulated Electricity Market written by Marta Marmiroli and published by . This book was released on 2008 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Competitive Equilibrium in the Italian Wholesale Electricity Market by : Simona Bigerna
Download or read book Competitive Equilibrium in the Italian Wholesale Electricity Market written by Simona Bigerna and published by . This book was released on 2015 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The market power analysis in electricity market is relevant for understanding the competitive development of the industry's restructuring and the liberalization process. The paper analyzes the market power exercised by power generators in the Italian wholesale electricity market. Following the approach of Wolak (2003, 2009), the extent of market power is measured using the Lerner index computed as the inverse of arc elasticity of the residual demand faced by each Cournot competitors. Then, the market supply curves have been adjusted to entail market power effects and the new market resolutions were derived. The new equilibrium prices are the competitive ones and represent the market clearing price that would have been if the electricity market was competitive and the effects of unilateral market power were removed.
Book Synopsis Network and Temporal Effects on Strategic Bidding in Electricity Markets by : Youfei Liu
Download or read book Network and Temporal Effects on Strategic Bidding in Electricity Markets written by Youfei Liu and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Network and Temporal Effects on Strategic Bidding in Electricity Markets" by Youfei, Liu, 劉有飛, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: of thesis entitled "Network And Temporal Effects On Strategic Bidding In Electricity Markets" Submitted by Youfei Liu for the Degree of Doctor of Philosophy at the University of Hong Kong in February 2006 The global deregulation of power industries has given rise to many fascinating research topics. This thesis addresses issues of strategic bidding by power generators. The problem of strategic bidding is to optimize an individual power generation bid by maximizing profits, based on production cost, expectation of rival behavior and system demand. Electrical power flow over different links is governed by the physical law (Kirchhoff law). As a result, electrical power flow cannot be independently determined and the electricity transmission system has global network effects. One major contribution of this study is to investigate the network effects of electricity transmission on strategic bidding and analyze the network-constrained electricity market equilibria. A three-node electricity system is used for investigation. The decision space of generators is divided into the congestion-on region and congestion-off region, and the optimal response curves of generators in each region are then derived. The market equilibrium is located as the intersection of these optimal response curves. It is analytically shown that this may consist either of a unique unconstrained market equilibrium, a unique constrained market equilibrium, multiple-equilibria, or no pure Nash equilibrium. Subsequently, the interaction between transmission rights holding and market power exercising is addressed. It is shown that in the situation with a positive PTDF, holding transmission rights mitigate market power, and produce an improvement in market efficiency, while in other situations, the reverse is true. Furthermore it is demonstrated that a possible allocation of transmission rights to generators can be found to achieve maximum efficiency. Another unique characteristic of electricity markets is their notable temporal ii effects. In other words, electricity prices have significant volatilities because of the non-storability of power energy and the large variations of system demand. The second part of this study investigates the temporal effects of the electricity market on strategic bidding. A periodic dynamic feedback system is proposed to model the generation competition process. With the developed system dynamics, an optimal control problem is formulated to study the multi-period optimization behavior (called the 'advanced' strategy) of a generator, and the state-feedback control rule is then derived via a sweeping method. It is demonstrated that the generator with optimal control can obtain more profits, and a sensitivity analysis is provided to locate the market factors that affect the performance of optimal control. Next, system uncertainties are included, and a stochastic optimal control problem for generation decision is formulated and solved. Two interesting problems are investigated, namely the effect of the generator's 'advanced' strategic behavior on market efficiency, and the way in which an individual's payoff evolves with other generators' 'advanced' strategic behavior. It is shown that the 'advanced' strategic behavior of generators will improve market efficiency, while an individual's payoff evolution resembles a 'Prisoner Dilemma'. An analysis of risk management of generation decisi...
Book Synopsis Spot Pricing of Electricity by : Fred C. Schweppe
Download or read book Spot Pricing of Electricity written by Fred C. Schweppe and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a need for fundamental changes in the ways society views electric energy. Electric energy must be treated as a commodity which can be bought, sold, and traded, taking into account its time-and space-varying values and costs. This book presents a complete framework for the establishment of such an energy marketplace. The framework is based on the use of spot prices. In general terms: o An hourly spot price (in dollars per kilowatt hour) reflects the operating and capital costs of generating, transmitting and distributing electric energy. It varies each hour and from place to place. o The spot price based energy marketplace involves a variety of utility-customer transactions (ranging from hourly varying prices to long-term, multiple-year contracts), all of which are based in a consistent manner on hourly spot prices. These transactions may include customers selling to, as well as buying from, the utility. The basic theory and practical implementation issues associated with a spot price based energy marketplace have been developed and discussed through a number of different reports, theses, and papers. Each addresses only a part of the total picture, and often with a somewhat different notation and terminology (which has evolved in parallel with our growing experience). This book was xvii xviii Preface written to serve as a single, integrated sourcebook on the theory and imple mentation of a spot price based energy marketplace.
Book Synopsis Electricity Derivatives and the Spot Market in Italy. Mitigating Market Power in the Electricity Market by : Valeria Termini
Download or read book Electricity Derivatives and the Spot Market in Italy. Mitigating Market Power in the Electricity Market written by Valeria Termini and published by . This book was released on 2003 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electricity Markets and Reforms in Europe by : Milica Uvalić
Download or read book Electricity Markets and Reforms in Europe written by Milica Uvalić and published by FrancoAngeli. This book was released on 2012 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Congestion Management and Market Power in Electricity Markets by : Victor Hugo Quintana Z.
Download or read book Congestion Management and Market Power in Electricity Markets written by Victor Hugo Quintana Z. and published by . This book was released on 2003 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Economics of Electricity by : Anna Cretì
Download or read book Economics of Electricity written by Anna Cretì and published by Cambridge University Press. This book was released on 2019-05-30 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains the economics of electricity at each step of the supply chain: production, transportation and distribution, and retail.
