Medium-Term Power Dispatch in Predominantly Hydro Systems: An Equilibrium Approach

This paper proposes an alternative formulation for the problem of dispatching generation units in a predominantly hydro system considering a medium-term horizon. Hydro-power dispatch is expressed as a equilibrium problem with equilibrium constraints (EPEC) and its solutions are compared to the solutions of a classical optimal hydro dispatch problem. A stochastic formulation is used to represent uncertainties in water inflows. Results are presented for realistic test systems with interconnected reservoirs.

[1]  Secundino Soares,et al.  A network flow model for short-term hydro-dominated hydrothermal scheduling problems , 1994 .

[2]  A. J. Conejo,et al.  Equilibria in an Oligopolistic Electricity Pool With Stepwise Offer Curves , 2012, IEEE Transactions on Power Systems.

[3]  Stein-Erik Fleten,et al.  Constructing bidding curves for a price-taking retailer in the norwegian electricity market , 2005, IEEE Transactions on Power Systems.

[4]  G. Pritchard,et al.  Hydroelectric reservoir optimization in a pool market , 2005, Math. Program..

[5]  Antonio J. Conejo,et al.  Self-Scheduling of a Hydro Producer in a Pool-Based Electricity Market , 2002, IEEE Power Engineering Review.

[6]  Secundino Soares,et al.  A large scale of an optimal deterministic hydrothermal scheduling algorithm , 1990 .

[7]  A. Gjelsvik,et al.  Generation scheduling in a deregulated system. The Norwegian case , 1999 .

[8]  Luiz Fernando Rangel,et al.  Competition policy and regulation in hydro-dominated electricity markets , 2008 .

[9]  M. Pereira,et al.  Stochastic Optimization of a Multireservoir Hydroelectric System: A Decomposition Approach , 1985 .

[10]  Julián Barquín Gil,et al.  Medium-term generation programming in competitive environments: A new optimization approach for market equilibrium computing , 2004 .

[11]  Daniel Ralph,et al.  Smooth SQP Methods for Mathematical Programs with Nonlinear Complementarity Constraints , 1999, SIAM J. Optim..

[12]  A. Bakirtzis,et al.  Mid-Term Stochastic Scheduling of a Price-Maker Hydro Producer With Pumped Storage , 2011, IEEE Transactions on Power Systems.

[13]  J. Contreras,et al.  Nash-Cournot Equilibria in Hydrothermal Electricity Markets , 2011, IEEE Transactions on Power Systems.

[14]  K. C. Almeida,et al.  Optimal Active-Reactive Power Dispatch Under Competition via Bilevel Programming , 2011, IEEE Transactions on Power Systems.

[15]  N. Nabona,et al.  An Oligopoly Model for Medium-Term Power Planning in a Liberalized Electricity Market , 2009, IEEE Transactions on Power Systems.

[16]  E. Read,et al.  Modelling hydro reservoir operation in a deregulated electricity market , 1996 .

[17]  Sven Leyffer,et al.  Solving multi-leader–common-follower games , 2010, Optim. Methods Softw..

[18]  James Bushnell,et al.  A Mixed Complementarity Model of Hydrothermal Electricity Competition in the Western United States , 2003, Oper. Res..

[19]  Javier Reneses,et al.  Medium-term generation programming in competitive environments: a new optimisation approach for market equilibrium computing , 2004 .

[20]  M. Shahidehpour,et al.  GENCO's Risk-Constrained Hydrothermal Scheduling , 2008, IEEE Transactions on Power Systems.

[21]  M.V.F. Pereira,et al.  Market power assessment and mitigation in hydrothermal systems , 2001, PICA 2001. Innovative Computing for Power - Electric Energy Meets the Market. 22nd IEEE Power Engineering Society. International Conference on Power Industry Computer Applications (Cat. No.01CH37195).