دانلود مقاله ISI انگلیسی شماره 17018
عنوان فارسی مقاله

مقایسه تجارت دو طرفه و مزایده معکوس قیمت پایاپای یکنواخت: درسهایی از فرآیندهای تأمین تجهیزات برق ایلینوی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
17018 2012 12 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
A Comparison of Bilateral Trading and the Uniform Clearing Price Reverse Auction: Lessons from Illinois’ Electricity Procurement Processes
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : The Electricity Journal, Volume 25, Issue 7, August–September 2012, Pages 24–35

کلمات کلیدی
تجارت دو طرفه - مزایده معکوس - تأمین تجهیزات
پیش نمایش مقاله
پیش نمایش مقاله مقایسه تجارت دو طرفه و  مزایده معکوس قیمت پایاپای یکنواخت: درسهایی از فرآیندهای تأمین تجهیزات برق ایلینوی

چکیده انگلیسی

Unlike any other state in the US, Illinois utilities have experienced two methods of competitive electricity procurement for residential customers. In September 2006, as a part of initial restructuring, the Illinois Commerce Commission (ICC) approved a procurement process similar to the uniform clearing price reverse auction that was used in New Jersey. The affected utilities, now Ameren-Illinois and Commonwealth Edison, began procuring electricity through this auction.1 In early 2007, rates for residential customers began to increase, which created a substantial public outcry and prompted the passage of the Illinois Power Agency Act (IPAA).2 In late 2007, the ICC modified procurement plans such that the Illinois Power Authority (IPA) would procure electricity for Ameren-Illinois and ComEd residential customers through bilateral contracts. Starting in June 2008, the IPA began procuring electricity through this pay-as-bid system.3 This article provides a comparison between the two mechanisms for electricity procurement: the uniform clearing price reverse auction and the bilateral contract procurement method. Each method creates different incentives for alternative retail electricity suppliers (ARES), ComEd, Ameren-Illinois, regulators, and customers, as well as impacting market power, wholesale prices, and electricity rates. Analyzing the differences between the two structures provide a better understanding of the respective costs and benefits associated with each method. The following provides policymakers with a theoretical understanding of the tradeoffs between the two methods. The need for procurement stems from the restructuring of electricity markets. The purpose of restructuring, at least from the social-welfare maximizing point of view, is to increase competition in the generation sector, lower wholesale electricity prices, and lower prices for consumers, thereby increasing welfare. Thus, lawmakers, regulators, and policymakers who determine the electricity procurement method also influence the market power among generators, wholesale electricity prices, and retail rates. While much work has been done to understand Illinois’ uniform-price reverse auction and the bilateral contract method, a comprehensive analysis of both procurement methods has been limited.4 We analyze both methods and compare wholesale prices and retail rates in Illinois under both methods.

مقدمه انگلیسی

Unlike any other state in the US, Illinois utilities have experienced two methods of competitive electricity procurement for residential customers. In September 2006, as a part of initial restructuring, the Illinois Commerce Commission (ICC) approved a procurement process similar to the uniform clearing price reverse auction that was used in New Jersey. The affected utilities, now Ameren-Illinois and Commonwealth Edison, began procuring electricity through this auction.1 In early 2007, rates for residential customers began to increase, which created a substantial public outcry and prompted the passage of the Illinois Power Agency Act (IPAA).2 In late 2007, the ICC modified procurement plans such that the Illinois Power Authority (IPA) would procure electricity for Ameren-Illinois and ComEd residential customers through bilateral contracts. Starting in June 2008, the IPA began procuring electricity through this pay-as-bid system.3 This article provides a comparison between the two mechanisms for electricity procurement: the uniform clearing price reverse auction and the bilateral contract procurement method. Each method creates different incentives for alternative retail electricity suppliers (ARES), ComEd, Ameren-Illinois, regulators, and customers, as well as impacting market power, wholesale prices, and electricity rates. Analyzing the differences between the two structures provide a better understanding of the respective costs and benefits associated with each method. The following provides policymakers with a theoretical understanding of the tradeoffs between the two methods. The need for procurement stems from the restructuring of electricity markets. The purpose of restructuring, at least from the social-welfare maximizing point of view, is to increase competition in the generation sector, lower wholesale electricity prices, and lower prices for consumers, thereby increasing welfare. Thus, lawmakers, regulators, and policymakers who determine the electricity procurement method also influence the market power among generators, wholesale electricity prices, and retail rates. While much work has been done to understand Illinois’ uniform-price reverse auction and the bilateral contract method, a comprehensive analysis of both procurement methods has been limited.4 We analyze both methods and compare wholesale prices and retail rates in Illinois under both methods. While much work has been done to understand Illinois’ uniform-price reverse auction and the bilateral contract method, a comprehensive analysis of both procurement methods has been limited. Our analysis proceeds as follows: Section II provides a general overview of the economic theory behind the uniform-price reverse auction and pay-as-bid bilateral contracts. Section III describes how these two procurement methods were applied to Illinois’ electricity market. Section IV examines the impact on one measure of market power, wholesale electricity prices, and retail rates. Section V discusses the overall findings and provides policy considerations.

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