DPI2008-02153

New paper accepted for publication in TOP

The work "A new optimal electricity market bid model solved through prespective cuts" developed in collaboration with prof. Cristina Corchero (GNOM/IREC) and  Eugenio Mijangos (Basc Country University), has been accepted for publication in the journal TOPA preliminary version of the manuscript is available at this link . This study presents a new procedure to find the optimal electricity generation bid for a generation company operating in the Iberian Electricity Market (MIBEL), and was a part of the research project DPI2008-02153,.

A new optimal electricity market bid model solved through perspective cuts

Publication TypeJournal Article
Year of Publication2013
AuthorsCristina Corchero; Eugenio Mijangos; F.-Javier Heredia
Journal TitleTOP
Volume21
Issue1
Pages25
Start Page84
Journal Date04/2013
Short TitleA new optimal electricity market bid model
PublisherSpringer
ISSN Number1134-5764
Key Wordsresearch; paper; electricity market; day-ahead; bilateral contracts; future contracts; Optimal bid; Stochastic programming; Perspective cuts; mixed integer nonlinear programming; DPI2008-02153; Q3
AbstractOn current electricity markets the electrical utilities are faced with very sophisticated decision making problems under uncertainty. Moreover, when focusing in the short-term management, generation companies must include some medium-term products that directly influence their short-term strategies. In this work, the bilateral and physical futures contracts are included into the day-ahead market bid following MIBEL rules and a stochastic quadratic mixed-integer programming model is presented. The complexity of this stochastic programming problem makes unpractical the resolution of large-scale instances with general-purpose optimization codes. Therefore, in order to gain efficiency, a polyhedral outer approximation of the quadratic objective function obtained by means of perspective cuts (PC) is proposed. A set of instances of the problem has been defined with real data and solved with the PC methodology. The numerical results obtained show the efficiency of this methodology compared with standard mixed quadratic optimization solvers.
URLClick Here
DOI10.1007/s11750-011-0240-6
Preprinthttp://hdl.handle.net/2117/18368
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International conference Optimization, Theory, Algorithms and Applications in Economics

 This international conference , which is a tribute to Juan-Enrique Martinez-Legaz on the occasion of his 60th birthday, has the aim of a top-level scientific meeting to promote a broad exchange of information and new developments in the areas of Functional and Variational Analysis, Control, Optimization and Applications in Economics. The event included a half-day workshop applications of Optimization in Engineering. I was invited to contribute to this last wokshop with the presentation of the work "A multistage stochastic programming model for the optimal multimarket electricity bid problem".

A multistage stochastic programming model for the optimal multimarket electricity bid problem

Publication TypeConference Paper
Year of Publication2011
AuthorsF.-Javier Heredia; Cristina Corchero
Conference NameOptimization, Theory, Algorithms and Applications in Economics (OPT 2011)
Conference Date24-28/10/2011
Conference LocationCentre de Recerca Matemàtica. Barcelona, Spain.
Type of WorkInvited presentation
Key Wordsresearch; optimal bid; day-ahead electricity market; multimarket; perspective cuts; bilateral contracts; futures contracts; stochastic programming; DPI2008-02153
AbstractShort-term electricity market is made up of a sequence of markets, that is, it is a multimarket enviroment. In the case of the Iberian Energy Market the sequence of major short-term electricity markets are the day-ahead market, the ancillary service market or secondary reserve market (henceforth reserve market), and a set of six intraday markets. Generation Companies (GenCos) that participate in the electricity market could increase their benefits by jointly optimizing their participation in this sequence of electricity markets. This work proposes a stochastic programming model that gives the GenCo the optimal bidding strategy for the day-ahead market (DAM), which considers the benefits and costs of participating in the subsequent markets and which includes both physical futures contracts and bilateral contracts. Numerical results are reported and discussed.
URLClick Here
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25th IFIP TC7 Conference on System Modeling and Optimization

 The International Federation for Information Processing Technical Committee 7 - System Modeling and Optimization - arranges in a cycle of two years highly regarded conferences to several topics of Applied Optimization such as  Optimal Control of Ordinary and Partial Differential Equations, Modeling and Simulation, Nonlinear, Discrete, and Stochastic Optimization and Industrial Applications. This year the conference was celebrated in the Berlin Institute of Technology, and I participated with a contributed talk entitled "Solving electric market quadratic problems by Branch and Fix Coordination methods "

Solving electricity market quadratic problems by Branch and Fix Coordination methods

Publication TypeConference Paper
Year of Publication2011
AuthorsF.-Javier Heredia; Cristina Corchero; Eugenio Mijangos
Conference Name25th IFIP TC7 Conference on System Modeling and Optimization
Conference Date12-16/09/2011
Conference LocationBerlin
Type of Workcontributed presentation
Key Wordsresearch; optimal bid; day-ahead electricity market; branch and fix coordination; perspective cuts; bilateral contracts; futures contracts; stochastic programming
AbstractThe electric market regulation in Spain (MIBEL) establishes the rules for bilateral contracts in the day-ahead optimal bid problem. Our model allows a price-taker generation company to decide the unit commitment of the thermal units, the economic dispatch of the bilateral contracts between the thermal units and the optimal sale bids for the thermal units observing the MIBEL regulation. The uncertainty of the spot prices is represented through scenario sets. We solve this model on the framework of the Branch and Fix Coordination metodology as a quadratic, two-stage stochastic problem. Numerical results are reported.
URLClick Here
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8th International Conference on the European Energy Market (EEM11)

 The International Conference on the European Energy Market (EEM) is a premier forum to discuss the development of the energy sector in a market environment and the creation of the common European Energy Market.  The EEM 11 has been held in Zagreb, Croatia May 25-27 2011. Prof. Cristina Corchero, and myself participated in the event with the presentation  (slides ) of the paper "Efficient Solution of Optimal Multimarket Electricity Bid Models", coauthored with prof. Eugenio Mijangos, that will be published formerly by the IEEE Power and Energy Society at the IEEEXplore. Below you can see a panoramic of one of the plenary sessions at the Emerald room of the Regent Esplanade Zagreb Hotel:

Efficient Solution of Optimal Multimarket Electricity Bid Models

Publication TypeProceedings Article
Year of Publication2011
AuthorsCristina Corchero; F.-Javier Heredia; Eugenio Mijangos
Conference Name8th International Conference on the European Energy Market (EEM11)
Series TitleTo be published in the IEEEXplore
Pagination244-249
Conference Start Date25/05/2011
PublisherInstitute of Electrical and Electronics Engineers, Inc.
Conference LocationZagreb, Croatia
EditorMarko Delimar
ISBN Number978-1-61284-286-8/11
Key Wordsspot electricity markets; financial electricity markets; Iberian Electricity Market; stochastic programming; perspective cuts; research; DPI2008-02153; paper
AbstractShort-term electricity market is made up of a sequence of markets, that is, it is a multimarket enviroment. In the case of the Iberian Energy Market the sequence of major short-term electricity markets are the day-ahead market, the ancillary service market or secondary reserve market (henceforth reserve market), and a set of six intraday markets. Generation Companies (GenCos) that participate in the electricity market could increase their benefits by jointly optimizing their participation in this sequence of electricity markets. This work proposes a stochastic programming model that gives the GenCo the optimal bidding strategy for the day-ahead market (DAM), which considers the benefits and costs of participating in the subsequent markets and which includes both physical futures contracts and bilateral contracts.
URLClick Here
DOI10.1109/EEM.2011.5953017
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Efficient Solution of Optimal Multimarket Electricity Bid Models

Publication TypeConference Paper
Year of Publication2011
AuthorsCristina Corchero; F.-Javier Heredia; Eugenio Mijangos
Conference Name8th International Conference on the European Energy Market (EEM11)
Series TitleInternational Conference on the European Energy Market
Conference Date25-27/05/2011
PublisherInstitute of Electrical and Electronics Engineers, Inc.
Conference LocationZagreb, Croatia
EditorMarko Delimar
Type of WorkContributed presentacion
ISBN Number978-1-61284-284-4
Key Wordsspot electricity markets; financial electricity markets; Iberian Electricity Market; stochastic programming; perspective cuts; research; DPI2008-02153
AbstractShort-term electricity market is made up of a sequence of markets, that is, it is a multimarket enviroment. In the case of the Iberian Energy Market the sequence of major short-term electricity markets are the day-ahead market, the ancillary service market or secondary reserve market (henceforth reserve market), and a set of six intraday markets. Generation Companies (GenCos) that participate in the electricity market could increase their benefits by jointly optimizing their participation in this sequence of electricity markets. This work proposes a stochastic programming model that gives the GenCo the optimal bidding strategy for the day-ahead market (DAM), which considers the benefits and costs of participating in the subsequent markets and which includes both physical futures contracts and bilateral contracts.
URLClick Here
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Improving electricity market price scenarios by means of forecasting factor models

Publication TypeProceedings Article
Year of Publication2009
AuthorsM.Pilar Muñoz; Cristina Corchero; F.-Javier Heredia
Conference Name57^th Session of the International Statistical Institute
Key Wordsresearch; DPI2008-02153; electricity markets; TSFA; spot price scenarios; paper
AbstractIn liberalized electricity markets, Generation Companies must build an hourly bid that is sent to the market operator. The price at which the energy will be paid is unknown during the bidding process and has to be forecast. In this work we apply forecasting factor models to this framework and study its suitability.
URLClick Here
DOIhttp://hdl.handle.net/2117/3047
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