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Firm-Based Measurements of Market Power in Transmission-Constrained Electricity Markets

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3 Author(s)
Yen-Yu Lee ; Department of Electrical and Computer Engineering, University of Texas at Austin ; Ross Baldick ; Jin Hur

In this paper, two different approaches to analyzing firm-based market power considering transmission constraints are proposed. One is an application of the transmission-constrained residual demand Jacobian, while the other is a generalization of the “residual supply index” to the case of transmission constraints. These two approaches provide complementary evaluations of market power. Medium- and large-scale system examples are provided to demonstrate computational efficiency, and both approaches could be applied to real-world electricity markets.

Published in:

IEEE Transactions on Power Systems  (Volume:26 ,  Issue: 4 )