Risk-constrained scheduling and offering strategies of a price-taker hydro producer under uncertainty

This paper proposes a mixed-integer nonlinear programming approach to maximize the total expected profit of a price-taker hydro producer operating in a pool-based electricity market. Head dependence, commitment decisions, discharge ramping, startup costs and forbidden zones are all effectively handled in our approach. Market uncertainty is modeled via price scenarios and risk management is suitably addressed using conditional value-at-risk. Appropriate offering strategies to the day-ahead market are developed, consisting of hourly supply functions generated for different risk levels. A realistic cascaded hydro system with seven reservoirs is considered as a case study for analyzing and comparing risk-neutral vs. risk-averse results. Conclusions are duly drawn.

[1]  Joao P. S. Catalao,et al.  Scheduling of a hydro producer considering head-dependency, price scenarios and risk-aversion , 2012 .

[2]  Claudia A. Sagastizábal,et al.  The value of rolling-horizon policies for risk-averse hydro-thermal planning , 2012, Eur. J. Oper. Res..

[3]  Joao P. S. Catalao,et al.  Electric Power Systems : Advanced Forecasting Techniques and Optimal Generation Scheduling , 2012 .

[4]  Hoay Beng Gooi,et al.  Starting up rapid-start units for reserve contributions in a system with interruptible loads , 2011 .

[5]  Xiang Fu,et al.  Short-term scheduling of cascade reservoirs using an immune algorithm-based particle swarm optimization , 2011, Comput. Math. Appl..

[6]  Javier Contreras,et al.  Optimal Scheduling of a Price-Taker Cascaded Reservoir System in a Pool-Based Electricity Market , 2011, IEEE Transactions on Power Systems.

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

[8]  Juan I. Pérez-Díaz,et al.  Short-term operation scheduling of a hydropower plant in the day-ahead electricity market , 2010 .

[9]  Mario V. F. Pereira,et al.  Long-term optimal allocation of hydro generation for a price-maker company in a competitive market: latest developments and a stochastic dual dynamic programming approach , 2010 .

[10]  V.M.F. Mendes,et al.  Scheduling of Head-Sensitive Cascaded Hydro Systems: A Nonlinear Approach , 2009, IEEE Transactions on Power Systems.

[11]  Wu Jiekang,et al.  A Hybrid Method for Optimal Scheduling of Short-Term Electric Power Generation of Cascaded Hydroelectric Plants Based on Particle Swarm Optimization and Chance-Constrained Programming , 2008, IEEE Transactions on Power Systems.

[12]  A. Borghetti,et al.  An MILP Approach for Short-Term Hydro Scheduling and Unit Commitment With Head-Dependent Reservoir , 2008, IEEE Transactions on Power Systems.

[13]  Yanbin Yuan,et al.  An enhanced differential evolution algorithm for daily optimal hydro generation scheduling , 2008, Comput. Math. Appl..

[14]  Javier García-González,et al.  Risk-averse profit-based optimal scheduling of a hydro-chain in the day-ahead electricity market , 2007, Eur. J. Oper. Res..

[15]  Stein-Erik Fleten,et al.  Stochastic programming for optimizing bidding strategies of a Nordic hydropower producer , 2007, Eur. J. Oper. Res..

[16]  Wadaed Uturbey,et al.  Dynamic optimal power flow approach to account for consumer response in short term hydrothermal coordination studies , 2007 .

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

[18]  Amita Mahor,et al.  Short term generation scheduling of cascaded hydro electric system using novel self adaptive inertia weight PSO , 2012 .

[19]  Joao P. S. Catalao,et al.  Optimal hydro scheduling and offering strategies considering price uncertainty and risk management , 2012 .