NDLI: Competitive Transmission Path Assessment for Local Market Power Mitigation

Content Provider	IEEE Xplore Digital Library
Author	Rahimi, F. Mingxia Zhang Hobbs, B.
Copyright Year	2007
Description	Author affiliation: Open Access Int., Minneapolis, MN (Rahimi, F.)
Abstract	Market power in wholesale electricity markets is of paramount concern to energy market monitors and regulators worldwide. Transmission constraints can and often do create market power opportunities. Transmission constraints into a generation-constrained load pocket can result in limited competition for meeting demand in that region due to a high local ownership concentration of supply. In this circumstance, generation owners within the load pocket can withhold capacity and induce congestion on connecting paths, creating an uncompetitive situation for the residual demand in that location. Identifying the existence of local market power in this circumstance relies on developing a methodology that can accurately differentiate transmission constraints that are "competitive", Le., for which there is sufficient competition to avoid or relieve congestion, from those that are not. This paper provides a new methodology (called the "feasibility index" or "FI" method) to perform such a classification for California ISO, and compares it with methods previously used at Pennsylvania- Jersey-Maryland (PJM) and Midwest ISO (MISO). The term "transmission path", or simply "path", is used here to denote a transmission interface for which transmission constraints are enforced in the scheduling and market-clearing process. Pivotal supplier analysis, Le., assessing whether any single supplier is indispensable for providing congestion relief, is central to competitive path assessment. It is a common feature of competitive path assessment methodologies used in PJM and MISO, and the new methodology developed for California ISO. The approach used in PJM and MISO is to use shift factors (also known as Power Transfer Distribution Factors) to determine the impact of specific generation resources on the power flow on individual transmission paths. Shift factors require an arbitrary choice of a slack bus (single or distributed slack) as the sink for power injected at the location (node) in question to determine the resulting change in the flow on the path of interest. This choice has a potentially important impact on the outcome. The FI methodology developed for California ISO identifies pivotal supplies without the need to use shift factors; moreover, it is comprehensive in that it considers the interacting effect of all constraints at once. The FI methodology is being used to conduct a comprehensive competitive path assessment for the California ISO network using a detailed 3,000-node network model in preparation for implementation of the market design and technology upgrade (MRTU) project in early 2008.
Starting Page	1
Ending Page	8
File Size	325360
Page Count	8
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.386011
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ISO Power generation Power supplies Electricity supply industry Joining processes Power measurement Supply and demand Regulators Load flow Monitoring local market power analysis Competitive path assessment pivotal supplier analysis
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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