generalized unit commitment
Master Thesis on electricity markets.
Wed, 12/01/2021 - 13:35 — adminOn November 2021 Mr. Ignasi Mañé presented the MsC thesis dissertation Multistage stochastic bid model for a wind-thermal power producer to opt for the master's degree in Statistics and Operations Research (UPC-UB), advised by prof. F.-Javier Heredia. This master thesis explores different multi-stage stochastic programming models for generation companies to find optimal bid functions in electric spot markets capturing the uncertainty of electric prices of different markets and financial products, and coupling together wind and thermal generation unit
Optimal electricity market bidding strategies considering emission allowances
Thu, 07/19/2012 - 20:45 — admin| Publication Type | Proceedings Article |
| Year of Publication | 2012 |
| Authors | Cristina Corchero; F.-Javier Heredia; Julián Cifuentes |
| Conference Name | 2012 9th International Conference on the European Energy Market (EEM 2012) |
| Series Title | IEEE Conference Publications |
| Pagination | 1-8 |
| Conference Start Date | 10/05/2012 |
| Publisher | IEEE |
| Conference Location | Florence |
| Editor | IEEE |
| ISSN Number | - |
| ISBN Number | 978-1-4673-0834-2 |
| Key Words | research; elecriticy; markets; CO2 allowances; emissions limits; environment; stochastic programming; modeling languages; paper |
| Abstract | There are many factors that influence the day-ahead market bidding strategies of a GenCo in the current energy market framework. In this work we study the influence of both the allowances and emission reduction plan and the incorporation of the derivatives medium-term commitments in the optimal generation bidding strategy to the day-ahead electricity market. Two different technologies have been considered: the coal thermal units, high-emission technology, and the combined cycle gas turbine units, low-emission technology. The operational characteristics of both kinds of units are modeled in detail. We deal with this problem in the framework of the Iberian Electricity Market and the Spanish National Emissions and Allocation Plans. The economic implications for a GenCo of including the environmental restrictions of these National Plans are analyzed. |
| URL | Click Here |
| DOI | 10.1109/EEM.2012.6254676 |
| Preprint | http://hdl.handle.net/2117/18691 |
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Optimal electricity market bidding strategies considering emission allowances
Thu, 07/19/2012 - 10:31 — admin| Publication Type | Conference Paper |
| Year of Publication | 2012 |
| Authors | Cristina Corchero; F.-Javier Heredia; Julián Cifuentes |
| Conference Name | 9th International Conference on the European Energy Market (EEM12) |
| Conference Date | 10-12/05/2012 |
| Conference Location | Florence, Italy |
| Type of Work | Contributed presentation |
| Key Words | research; elecriticy; markets; CO2 allowances; emissions limits; environment; stochastic programming; modeling languages |
| Abstract | There are many factors that influence the day-ahead market bidding strategies of a GenCo in the current energy market framework. In this work we study the influence of both the allowances and emission reduction plan and the incorporation of the derivatives medium-term commitments in the optimal generation bidding strategy to the day-ahead electricity market. Two different technologies have been considered: the coal thermal units, high-emission technology, and the combined cycle gas turbine units, low-emission technology. The operational characteristics of both kinds of units are modeled in detail. We deal with this problem in the framework of the Iberian Electricity Market and the Spanish National Emissions and Allocation Plans. The economic implications for a GenCo of including the environmental restrictions of these National Plans are analyzed. |
| URL | Click Here |
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The Radar Subgradient Method Applied to the Unit Commitment Problem
Fri, 12/31/2010 - 18:11 — admin| Publication Type | Conference Paper |
| Year of Publication | 2000 |
| Authors | F.-Javier Heredia; Cesar Beltrán |
| Conference Name | 9th Stockolm Optimization Days |
| Conference Date | 06/2000 |
| Conference Location | Stockholm, Sweden |
| Type of Work | Contributed presentation |
| Key Words | research, radar subgradient; guc |
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Aplicació del mètode "Radar Mulplier" al problema GUC amb factibilitat total
Wed, 12/29/2010 - 19:21 — admin| Publication Type | Tesis de Grau i Màster // BSc and MSc Thesis |
| Year of Publication | 2003 |
| Authors | Jordi Laseras |
| Director | F.-Javier Heredia |
| Tipus de tesi | Tesi Final de Màster // MSc Thesis |
| Titulació | Llicenciatura en Ciències i Tècniques Estadístiques |
| Centre | Facultat de Matemàtiques i Estadística, UPC |
| Data defensa | 01/05/2003 |
| Nota // mark | 10 (over 10) MH |
| Key Words | teaching; UPC; FME; LCTE; MSc Thesis |
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Generalized unit commitment by the radar multiplier method
Wed, 12/29/2010 - 16:48 — admin| Publication Type | Thesis |
| Year of Publication | 2001 |
| Authors | Cesar Beltran |
| Academic Department | Dept. of Statistics and Operations Research. Prof. F.-Javier Heredia, advisor. |
| Number of Pages | 147 |
| University | Universitat Politècnica de Catalunya |
| City | Barcelona |
| Degree | PhD Thesis |
| Key Words | research; radar multiplier; generalised unit commitment; teaching |
| Abstract | This operations research thesis should be situated in the field of the power generation industry. The general objective of this work is to efficiently solve the Generalized Unit Commitment (GUC) problem by means of specialized software. The GUC problem generalizes the Unit Commitment (UC) problem by simultane-ously solving the associated Optimal Power Flow (OPF) problem. There are many approaches to solve the UC and OPF problems separately, but approaches to solve them jointly, i.e. to solve the GUC problem, are quite scarce. One of these GUC solving approaches is due to professors Batut and Renaud, whose methodology has been taken as a starting point for the methodology presented herein. This thesis report is structured as follows. Chapter 1 describes the state of the art of the UC and GUC problems. The formulation of the classical short-term power planning problems related to the GUC problem, namely the economic dispatching problem, the OPF problem, and the UC problem, are reviewed. Special attention is paid to the UC literature and to the traditional methods for solving the UC problem. In chapter 2 we extend the OPF model developed by professors Heredia and Nabona to obtain our GUC model. The variables used and the modelling of the thermal, hydraulic and transmission systems are introduced, as is the objective function. Chapter 3 deals with the Variable Duplication (VD) method, which is used to decompose the GUC problem as an alternative to the Classical Lagrangian Relaxation (CLR) method. Furthermore, in chapter 3 dual bounds provided by the VDmethod or by the CLR methods are theoretically compared. Throughout chapters 4, 5, and 6 our solution methodology, the Radar Multiplier (RM) method, is designed and tested. Three independent matters are studied: first, the auxiliary problem principle method, used by Batut and Renaud to treat the inseparable augmented Lagrangian, is compared with the block coordinate descent method from both theoretical and practical points of view. Second, the Radar Sub- gradient (RS) method, a new Lagrange multiplier updating method, is proposed and computationally compared with the classical subgradient method. And third, we study the local character of the optimizers computed by the Augmented Lagrangian Relaxation (ALR) method when solving the GUC problem. A heuristic to improve the local ALR optimizers is designed and tested. Chapter 7 is devoted to our computational implementation of the RM method, the MACH code. First, the design of MACH is reviewed brie y and then its performance is tested by solving real-life large-scale UC and GUC instances. Solutions computed using our VD formulation of the GUC problem are partially primal feasible since they do not necessarily fulfill the spinning reserve constraints. In chapter 8 we study how to modify this GUC formulation with the aim of obtaining full primal feasible solutions. A successful test based on a simple UC problem is reported. The conclusions, contributions of the thesis, and proposed further research can be found in chapter 9. |
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Recent Advances in Optimisation of Generation Operation
Fri, 01/29/2010 - 20:20 — admin| Publication Type | Conference/School/Seminar attendance |
| Year of Publication | 1999 |
| Authors | F.-Javier Heredia |
| Conference Name | Electric Energy Systems University Enterprise Training Partnership |
| Event Type | Seminar |
| Conference Organiser | Electricité de France (EDF) |
| Conference Dates | 25-26/03/1999 |
| Conference Location | Clamart, France |
| Key Words | research; power systems; EDF |
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Optimal Bidding Strategies for Thermal and Combined Cycle Units in the Day-ahead Electricity Market with Bilateral Contracts
Tue, 09/08/2009 - 10:28 — admin| Publication Type | Conference Paper |
| Year of Publication | 2009 |
| Authors | Heredia, F.-Javier; Rider, Marcos.-J.; Corchero, C. |
| Conference Name | 2009 Power Engineering Society General Meeting |
| Series Title | Proceedings of the Power Engineering Society General Meeting, 2009. IEEE |
| Volume | 1 |
| Pagination | 1-6 |
| Conference Date | 26-30/07/2009 |
| Publisher | IEEE |
| Conference Location | Calgary, Alberta, Canada |
| Editor | IEEE |
| Type of Work | Contributed oral presentation |
| ISSN Number | 1944-9925 |
| ISBN Number | 978-1-4244-4241-6 |
| Key Words | research; stochastic programming; electricity markets; day-ahead market, bilateral contracts; Combined Cycle Units; optimal bid |
| Abstract | This paper developed a stochastic programming model that integrated the most recent regulation rules of the Spanish peninsular system for bilateral contracts in the dayahead optimal bid problem. Our model allows a price-taker generation company to decide the unit commitment of the thermal and combined cycle programming units, the economic dispatch of the BC between all the programming units and the optimal sale bid by observing the Spanish peninsular regulation. The model was solved using real data of a typical generation company and a set of scenarios for the Spanish market price. The results are reported and analyzed. |
| URL | Click Here |
| DOI | 10.1109/PES.2009.5275680 |
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Estudi i optimització de l'oferta al Mercat Ibèric d'Electricitat (MIBEL)
Wed, 07/22/2009 - 16:40 — admin| Publication Type | Tesis de Grau i Màster // BSc and MSc Thesis |
| Year of Publication | 2009 |
| Authors | Silvia Nieto; Iván Ruz |
| Director | F.-Javier Heredia |
| Tipus de tesi | Tesi de Grau // BSC Thesis |
| Titulació | Diplomatura d'Estadística |
| Centre | Facultat de Matemàtiques i Estadística, UPC |
| Data defensa | 09/07/2009 |
| Nota // mark | 9.5 (over 10) E |
| Key Words | teaching; PFC-DE; MIBEL; optimal bid; BSc Thesis |
| Abstract | Estudi de les ofertes reals de les companyies productores d'energia elèctrica a MIBEL i comparació de dos models alternatius de optimització de l'oferta. |
| URL | Click Here |
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Lectura de dos PFC's a la DE sobre oferta òptima als mercats d'energia elèctrica.
Wed, 07/22/2009 - 16:25 — admin
El passat dijous 9 de juliol de 2009 es va llegir el Projecte Final de Carrera dels alumnes Silvia Nieto i Ivan Ruz, que portava per títol "Estudi i optimització de l’oferta al Mercat Ibèric ’Electricitat (MIBEL)", dirigit pel professor Javier Heredia. Els objectius del treball han estat:
- Fer una descriptiva de les dades obtingudes de les energies tèrmiques per veure el comportament que hi tenen.
- Entendre el model d'optimització d'oferta presentat a l'article [1], i compendre la seva implementació.
- Entendre el model d'optimització d'oferta de l'article [2] i resoldre una nova modelització adaptant aquest model a l'anterior fent els canvis pertinents.
- Comparar els dos models i treure'n conclusions sobre quin és el més eficient.
[1] Arroyo, José M. ; Carrión, Miguel. A computationally efficient mixed-integer linear formulation for the termal unit commitment problem. Institute of Electrical and Electronics Engineers transactions on power systems, vol. 21, nº3, agost 2006.
[2] "A Stochastic Programming Model for the Thermal Optimal Day-Ahead Bid Problem with Physical Futures Contracts", Submitted to European Journal of Operations Research, Barcelona, Espanya, Dept. of Statistics and Operations Research, Universitat Politècnica de Catalunya, 03/2009
