Mid-Term Stochastic Scheduling of a Price-Maker Hydro Producer With Pumped Storage

被引:81
作者
Baslis, Costas G. [1 ]
Bakirtzis, Anastasios G. [1 ]
机构
[1] Aristotle Univ Thessaloniki, Dept Elect & Comp Engn, GR-54124 Thessaloniki, Greece
关键词
Hydro producer; market power; mid-term scheduling; price-maker; pumped storage; stochastic mixed-integer programming; OFFERING STRATEGIES; ELECTRICITY MARKET; GENERATION; COMPETITION; MODEL;
D O I
10.1109/TPWRS.2011.2119335
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A yearly stochastic self-scheduling model for a price-maker hydro producer is presented. In the short term, the producer aims at maximizing profits in the day-ahead market. Residual demand curves model the producer's interaction with his competitors and the load demand. A modification of the residual demand curve is proposed to enable the definition of optimal pumped-hydro bids. Multistage stochastic programming provides hedging against the mid-term uncertainty of inflows, load demand, and competitors' offers. The proposed method models the impact of short-term profit maximization decisions on mid-term scheduling within a compact stochastic mixed integer linear programming (MILP) approach. A test case with a three-stage, 90-scenario stochastic tree and data of the Greek Power System is presented. Results provide insight on both mid-term reservoir management and short-term market-based operation and indicate the feasibility of solving a very large-scale scheduling problem as a unique MILP using a commercial solver. The role of forward contracts in mitigating market power is also analyzed.
引用
收藏
页码:1856 / 1865
页数:10
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