Identificación de planes de expansión de generación en mercados competitivos
(Identification of Generation Expansion Plans in Competitive Markets)
Pablo Cerda (firstname.lastname@example.org)2, Manuel Larraín (email@example.com)1, Hugh Rudnick (firstname.lastname@example.org)2
1Endesa Chile2Pontificia Universidad Católica de Chile
This paper appears in: Revista IEEE América Latina
Publication Date: Sept. 2011
Volume: 9, Issue: 5
Generation expansion planning plays a key role in the development of a power system. This paper contributes by developing a heuristic based on the results of a simulation model of the Central Interconnected System (SIC), which iteratively optimizes the number of expansion units necessary to accomplish certain assumptions and restrictions that a competitive market must meet in the long term.
The first approach is from the theoretical perspective, through a review of the available literature on the subject, and the analysis of the historical development that the generation segment has at SIC, from the private and regulator perspectives. Additionally, a discussion of concepts related to the structure and assumptions that must be met in a competitive market is achieved, allowing the definition of the rules that must be followed by the heuristic.
The heuristic uses a model developed by Endesa Chile, called MHT, which simulates the economic dispatch of a hidro-thermal system. The disadvantage of MHT is the massive use of computer resources, employing extensive time to run. Therefore, a number of simplifications on the input data are proposed, to reduce the simulation time; however, they produce significant distortion on the results. The heuristic is applied to a significant number of cases with different initial conditions, demonstrating a satisfactory performance under all the scenarios, which is verified by the fact that investment in new generation capacity reaches the expected levels
Competitive markets, generation expansion planning, generation investment, heuristic, hidro-thermal systems simulation.
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