100% Renewable energy supply for Brazil-The role of sector coupling and regional development

Hans Christian Gils, Sonja Simon, Rafael Soria

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

67 Citas (Scopus)

Resumen

With its abundance of renewable energy potentials, not only for hydropower and bioenergy, but also for wind and solar, Brazil provides good prospects for a carbon neutral energy system. The role of an enhanced coupling of the power, heat and transport sectors in such systems is not yet fully understood. This paper analyses the least-cost composition and operation of a fully renewable power supply system as part of a carbon neutral energy supply in Brazil. It relies on the application of the high-resolution energy system model REMix. Our analysis reveals that the expansion of wind and solar power is more cost-efficient than the construction of additional hydroelectric plants. This is favoured because the existing hydroelectric plants offer large capacity of dispatchable power to compensate for fluctuations, and thus no additional storage is necessary. Furthermore, the REMix analysis indicates that varying shares of solar and wind power technologies as well as the spatial distribution of power generation have only a small influence on supply costs. This implies that the transformation strategy in Brazil can be primarily based on other criteria such as regional development, public acceptance, environmental impact or industrial policy without major impacts on system costs.

Idioma originalInglés
Número de artículo1859
PublicaciónEnergies
Volumen10
N.º11
DOI
EstadoPublicada - nov. 2017
Publicado de forma externa

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