EPJ Web of Conferences
Volume 33, 20122nd European Energy Conference
|Number of page(s)||20|
|Published online||02 October 2012|
Evaluation of the Impact of Wind Generation on the Electricity Market Prices and on the Profitability of New Wind Investments
1 Inst. Politécnico de Coimbra, Inst. Superior de Engenharia de Coimbra, Rua Pedro Nunes, 3030–199 Coimbra, Portugal
2 INESC Porto, Dept. Eng. Electrotécnica e Computadores da Faculdade Engenharia da Universidade do Porto, Rua Dr. Roberto Frias, 4200–465 Porto, Portugal
This paper describes a Dynamic Model of the electricity sector that can be used to simulate the evolution of some key variables on the long term, namely the evolution of the electricity price, of the demand and of the capacity factors of the technologies in the generation mix. This model can be used in different ways and by several agents, for instance to estimate the impact on the electricity price of the increasing presence of renewable power stations, namely using wind power and PV systems. In several countries these stations are paid feed-in tariffs with a fixed price but in some cases this scheme is under discussion and there are opinions that payments determined by the market price are more adequate and would bring fewer costs to final consumers. Such a change has to be carefully evaluated given that the presence of renewable stations bidding at an infra marginal price will affect the price itself. The model described in this paper can be used in a profitable way both by governmental agencies when preparing or studying alternative remuneration schemes to renewable stations or by promoters themselves to get more insight to the profitability of their investments, namely if the fixed feed-in tariffs in force in several countries are changed.
© Owned by the authors, published by EDP Sciences, 2012
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