Edited By Walter Leal Filho and Julia Gottwald
Wind Power Scenario for Brazil
N.J. de Castro, G.A. Dantas, A.L.S. Leite1 Abstract Recently, there has been much debate about the introduction of wind power into the electricity system. Wind power has the advantage of being a renewable en- ergy source with low variable costs, but with very high fixed costs and invest- ment costs. Thus, the purpose of this paper is to examine wind power costs in Brazil and the prospects for this energy source in Brazil’s electric power mix, particularly after the wind energy auction held in late 2009. Wind power com- plements hydropower and can therefore be an important tool in guaranteeing system reliability. We also conclude that wind power is still one of the most expensive sources of electricity in Brazil, necessitating a specific policy for the development of new wind plants. One example of such a policy is the wind energy auction held in December 2009. I. Introduction With hydropower accounting for 90% of its electricity mix, Brazil’s position is unique and privileged compared to the global electricity mix. This profile assures it a supply of competitive and clean renewable energy. However, it is only be- cause of large reservoirs regulating electric power supply over the course of the year that Brazil is able to meet its electricity demand using hydrogeneration. Now, geographical, legal and environmental concerns prevent further construc- tion of large reservoirs. As a result, Brazil’s electricity mix will increasingly require the introduction of other energy sources to operate at the base in order to complement hydrogeneration during...
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