NDLI: Locational-based coupling of electricity markets: benefits from coordinating unit commitment and balancing markets

Content Provider	Springer Nature Link
Author	Weijde, Adriaan Hendrik Hobbs, Benjamin F.
Copyright Year	2011
Abstract	We estimate the benefits of electricity locational marginal pricing (LMP) that arise from better coordination of day-ahead commitment decisions and real-time balancing markets in adjacent power markets when there is significant uncertainty in demand and wind forecasts. To do so, we formulate a series of stochastic models for committing and then dispatching electric generators subject to transmission limits. In the unit commitment stage, the models optimise day-ahead generation schedules under either the full set of network constraints or a simplified net transfer capacity (NTC) constraint, where the latter represents the present approach for limiting forward electricity trade in Europe. A subsequent redispatch model then creates feasible real-time schedules. Benefits of LMP arise from decreases in expected start-up and variable generation costs resulting from consistent consideration of the full set of network constraints both day-ahead and in real time. Meanwhile, coordinating adjacent balancing markets provides benefits because intermarket flows can be adjusted in real-time in response to changing conditions. To quantify these benefits, we analyse a stylised four-node network, examining the effects of varying system characteristics on the magnitude of the locational-based unit commitment benefits and the benefits of intermarket balancing. We conclude that both categories of benefits are situation dependent, such that small parameter changes can lead to large changes in expected benefits. Although both can amount to a significant percentage of operating costs, we find that the benefits of coordinating balancing markets generally exceed unit commitment benefits.
Starting Page	223
Ending Page	251
Page Count	29
File Format	PDF
ISSN	0922680X
Journal	Journal of Regulatory Economics
Volume Number	39
Issue Number	3
e-ISSN	15730468
Language	English
Publisher	Springer US
Publisher Date	2011-03-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electricity prices International electricity exchange Electricity market model Electricity transmission Unit commitment Microeconomics Industrial Organization Public Finance & Economics
Content Type	Text
Resource Type	Article
Subject	Economics and Econometrics

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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
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