Now showing items 1-20 of 25

    • A conjectural supply function equilibrium in energy and reserve for a weekly horizon 

      González Gascón y Marín, Pablo; Villar Collado, José; Díaz Duran, Cristian; Campos Fernández, Francisco Alberto (Instituto Superior de Engenharia de Lisboa (Lisboa, Portugal), 20/05/2015)
      Despite the fact that reserves still have a small impact on the final electricity price, the rapid irruption of renewable and interruptible technologies has put in the spotlight the value of these services. It seems therefore ...
    • A new algorithm to compute conjectured supply function equilibrium in electricity markets 

      Díaz Duran, Cristian; Villar Collado, José; Campos Fernández, Francisco Alberto; Rodríguez García, Miguel Angel (01/02/2011)
      Several types of market equilibria approaches, such as Cournot, Conjectural Variation (CVE), Supply Function (SFE) or Conjectured Supply Function (CSFE) have been used to model electricity markets for the medium and long ...
    • Cost-benefit analysis of plug-in electric vehicles penetration 

      Villar Collado, José; Trigo Martínez, Ignacio; Díaz Duran, Cristian; González Gascón y Marín, Pablo (IEEE Pes (Estocolmo, Suecia), 27/05/2013)
      It is expected that in the near future the number of Plug-in Electric Vehicles (PEV) could increase significantly due to their low pollution emissions, high fuel economy, and mitigation of security issues related to oil ...
    • Curve fitting with mixed integer programming: applications to electricity markets models 

      Campos Fernández, Francisco Alberto; Villar Collado, José; Díaz Duran, Cristian (Faculty of Electrical Engineering and Computing. University of Zagreb. (Zagreb, Croacia), 25/05/2011)
      Long term electricity markets models tend to use simplified representations of both the demand and the generation units, to reduce the amount of input data and decision variables used, and also to decrease their execution ...
    • Dynamics of market power in ERCOT system: a fundamental CSFE with network constraints 

      Díaz Duran, Cristian; Webster, M.; Villar Collado, José; Campos Fernández, Francisco Alberto (01/03/2016)
      Previous studies of market power within a regional system have considered multiple competing generation operators and the role of transmission constraints. However, these studies typically assume simplified structures in ...
    • Electricity market equilibrium based on conjectural variations 

      Díaz Duran, Cristian; Villar Collado, José; Campos Fernández, Francisco Alberto; Reneses Guillén, Javier (01/12/2010)
      Many of the models used for the representation of the generation companies behavior in oligopolistic electricity markets are based on conjectural variation equilibria, which are a generalization of the classic Cournot ...
    • Endogenous computation of conjectured supply functions with network constraints 

      Díaz Duran, Cristian; Campos Fernández, Francisco Alberto; Villar Collado, José; Rodríguez García, Miguel Angel (01/09/2012)
      This paper presents a new iterative algorithm to compute a conjectured supply function electricity market equilibrium with DC transmission network constraints. This approach extends, to a network constrained system, a model ...
    • Estimation of the Spanish secondary reserves requirements 

      Villar Collado, José; Campos Fernández, Francisco Alberto; Doménech Martínez, Salvador; Díaz Duran, Cristian
      The increasing penetration of Intermittent Generation (IG) is being accompanied by the revision of the needs of traditional regulation reserves, as well as the discussion of new flexibility products for system balancing. ...
    • Estimation of the Spanish secondary reserves requirements 

      Villar Collado, José; Campos Fernández, Francisco Alberto; Doménech Martínez, Salvador; Díaz Duran, Cristian (Technische Universität Dresden (Dresde, Alemania), 06/06/2017)
      The increasing penetration of Intermittent Generation (IG) is being accompanied by the revision of the needs of traditional regulation reserves, as well as the discussion of new flexibility products for system balancing. ...
    • Existence and uniqueness of conjectured supply function equilibria 

      Díaz Duran, Cristian; Campos Fernández, Francisco Alberto; Villar Collado, José (01/06/2014)
      Supply Function Equilibrium (SFE) and Conjectured Supply Function Equilibrium (CSFE) are some of the approaches most used to model electricity markets in the medium and long term. SFE represents the generators strategies ...
    • Fundamental conjectured supply function equilibrium: application to the Iberian system 

      Díaz Duran, Cristian; Campos Fernández, Francisco Alberto; Villar Collado, José; Rodríguez García, Miguel Angel (Faculty of Electrical Engineering and Computing. University of Zagreb. (Zagreb, Croacia), 25/05/2011)
      This paper presents a new two-step algorithm to compute a conjectured supply function electricity market equilibrium with DC transmission network constraints. This approach generalizes a previous authors model developed ...
    • Gestión energética en sistemas eléctricos 

      Díaz Duran, Cristian; Tejada Arango, Diego Alejandro; Ramos Galán, Andrés; Latorre Canteli, Jesús María
      Una correcta gestión energética de los sistemas eléctricos está directamente relacionada con una correcta planeación de los recursos, procurando garantizar la confiabilidad en el suministro. De ahí, la planeación debe ...
    • Gestión energética en sistemas eléctricos 

      Díaz Duran, Cristian; Tejada Arango, Diego Alejandro; Ramos Galán, Andrés; Latorre Canteli, Jesús María (Association des Economistes de l'Energie (París, Francia), 04/06/2015)
      Una correcta gestión energética de los sistemas eléctricos está directamente relacionada con una correcta planeación de los recursos, procurando garantizar la confiabilidad en el suministro. De ahí, la planeación debe ...
    • Hourly energy and reserve joint dispatch with a hydrothermal technological based representation 

      González Gascón y Marín, Pablo; Villar Collado, José; Díaz Duran, Cristian; Campos Fernández, Francisco Alberto (IEEE Pes (Estocolmo, Suecia), 27/05/2013)
      Intermittent technologies are enhancing both the economic and technological value of ancillary services in the electric system. Some of these services, commonly denoted as reserves, have been liberalized and are offered ...
    • Impact of plug-in-electric vehicles penetration on electricity demand, prices and thermal generation dispatch 

      Villar Collado, José; Díaz Duran, Cristian; Arnau López-Leiton, José; Campos Fernández, Francisco Alberto (European University Institute (Florencia, Italia), 10/05/2012)
      This paper proposes an optimization model based on a centralized dispatch to analyze the impact of plug-in electric vehicles (PEV) penetration on the Spanish electricity demand and price. Different charging strategies, ...
    • Impact of the electricity contracts on the generators strategic behavior 

      Díaz Duran, Cristian; Campos Fernández, Francisco Alberto; Villar Collado, José (European University Institute (Florencia, Italia), 10/05/2012)
      Electricity physical and financial contracts are common instruments used by generators to reallocate their risk among other market participants. Likewise, from the regulator point of view, contracts are understood and ...
    • Joint energy and reserve markets: current implementations and modeling trends 

      González Gascón y Marín, Pablo; Villar Collado, José; Díaz Duran, Cristian; Campos Fernández, Francisco Alberto (01/04/2014)
      The continuous penetration of intermittent technologies is gradually reinforcing the technical and economic importance of electricity ancillary services, which are responsible for guaranteeing the reliability and security ...
    • MORSE: Tools for long-term strategic analysis of the Spanish electricity sector 

      Villar Collado, José; Campos Fernández, Francisco Alberto; Díaz Duran, Cristian; González del Santo, Jesús; Díaz Casado, Andrés; Rodríguez García, Miguel Angel; Rodríguez Fernández, Pablo (Institute of Electrical and Electronics Engineers (Madrid, España), 23/06/2010)
      MORSE is a set of tools developed for the Spanish electrical utility Endesa, for long term simulation and strategic analysis of the Spanish electricity sector. MORSE has three different types of modules: forecasting modules, ...
    • Short term constraints for a long term joint energy and reserve equilibrium 

      Villar Collado, José; Campos Fernández, Francisco Alberto; Díaz Duran, Cristian (Faculty of Electrical Engineering and Computing. University of Zagreb. (Zagreb, Croacia), 25/05/2011)
      The increasing penetration of interruptible sources of energy is making security of supply a key aspect of present and future networks management, and reserves markets are gaining significant relevance. Demand representation ...
    • Solving conjectured multi-leader-follower equilibriums for electricity markets with quadratic optimization problems 

      Campos Fernández, Francisco Alberto; Villar Collado, José; Díaz Duran, Cristian; Contreras Alfonsín, Alejandro (European University Institute (Florencia, Italia), 10/05/2012)
      Modeling competition in the future European Electricity Market (EEM) suggests considering new perspectives of leadership between the participant generators. EEM models should then be able to represent the possible existence ...