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Sustainability 2017, 9(7), 1130; doi:10.3390/su9071130

Complementarity of Hydro, Photovoltaic, and Wind Power in Rio de Janeiro State

1
Postgraduate Program in Computational Modeling in Science and Technology, Fluminense Federal University, Volta Redonda 27255-125, Brazil
2
Postgraduate Program in Production Engineering, Fluminense Federal University, Volta Redonda 27255-125, Brazil
3
Department of Production Engineering, Fluminense Federal University, Volta Redonda 27255-125, Brazil
*
Author to whom correspondence should be addressed.
Received: 20 May 2017 / Revised: 24 June 2017 / Accepted: 26 June 2017 / Published: 29 June 2017
(This article belongs to the Section Energy Sustainability)
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Abstract

Integrating renewable and intermittent energy sources into the electricity sector challenges traditional energy systems based on predictability and constant supply. Studies oncomplementarity between climate-related resources from different regions and countries are proving to be an efficient means to overcome the variability of single-source use. Although Rio de Janeiro State (Brazil) has set goals of increasing its use of clean and low carbon energy, there is no study to support the expansion process. Given that, this work aims to assess the complementarity potential of small hydropower plants, wind farms, and photovoltaic panels in the state. Power output estimates have been based on wind speeds, solar radiation and river flow data and without generation technologies assumptions. The Pearson correlation coefficient and linear programming have been used to comprehend and optimize the renewable mix. Daily complementarity has been observed among the energy sources considered, especially between hydro and solar resources. The optimization process showed an improvement of 61% in the total power standard deviation, from the worst—100% hydro power—to the best case—62% of photovoltaic, 21% of wind, and 17% of hydro power. The results highlight the benefits of appropriately joining the three sources and suggest investing in photovoltaic generation. View Full-Text
Keywords: renewable energy integration; complementarity; optimization; small hydropower; solar power; wind power renewable energy integration; complementarity; optimization; small hydropower; solar power; wind power
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MDPI and ACS Style

de Oliveira Costa Souza Rosa, C.; Costa, K.A.; da Silva Christo, E.; Braga Bertahone, P. Complementarity of Hydro, Photovoltaic, and Wind Power in Rio de Janeiro State. Sustainability 2017, 9, 1130.

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