Electric Power Systems Research, ( ISI ), Volume (99), No (1), Year (2013-1) , Pages (30-37)

Title : ( LMP decomposition: A novel approach for structural market power monitoring )

Authors: mohamad ebrahim hajiabadi , Habib Rajabi Mashhadi ,

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The main goal of this paper is to decompose and then analyze the locational marginal price (LMP) for monitoring the ability of the generation companies (GenCos) to exercise market power. To achieve this goal, the electricity price discovery mechanism is restated and it is shown that the LMP at bus n (LMPn) is composed of three components. The first is a constant value for each bus, while the second component includes the weighted summation of the strategies of the GenCos which not facing their generation caps, and the third component is composed of the weighted sum of generation of the units that facing their generation caps. The proposed decomposition produces important information regarding LMP. First, the weighting coefficients of the second and third terms indicate the sensitivity of LMPn to the bidding strategies and generations of units. Furthermore, the decomposition of LMPn to the constitutive components reveals the contribution of each GenCos to the electricity price at bus n. Hence, the weighting coefficients and the price components of the GenCos represent the potential for structural market power of the GenCos to the price discovery at each bus. The simulation results on the IEEE 24-bus test system illustrate the efficiency of the proposed monitoring approach.

Keywords

Electricity market Locational marginal price LMP decomposition Market monitoring DC power
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@article{paperid:1035253,
author = {Hajiabadi, Mohamad Ebrahim and Rajabi Mashhadi, Habib},
title = {LMP decomposition: A novel approach for structural market power monitoring},
journal = {Electric Power Systems Research},
year = {2013},
volume = {99},
number = {1},
month = {January},
issn = {0378-7796},
pages = {30--37},
numpages = {7},
keywords = {Electricity market Locational marginal price LMP decomposition Market monitoring DC power flow},
}

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%0 Journal Article
%T LMP decomposition: A novel approach for structural market power monitoring
%A Hajiabadi, Mohamad Ebrahim
%A Rajabi Mashhadi, Habib
%J Electric Power Systems Research
%@ 0378-7796
%D 2013

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