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Open AccessArticle

Optimal Sizing of a Hybrid Grid-Connected Photovoltaic–Wind–Biomass Power System

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Projects Engineering Department, Universitat Politècnica de Catalunya, Pla de la Massa 8, 08700 Igualada, Spain
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Electrical Engineering Department, Universitat Politècnica de Catalunya, Pla de la Massa 8, 08700 Igualada, Spain
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Chemical Engineering Department, Universitat Politècnica de Catalunya, Pla de la Massa 8, 08700 Igualada, Spain
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Authors to whom correspondence should be addressed.
Academic Editors: Tatiana Morosuk, Andrew Kusiak and Marc A. Rosen
Sustainability 2015, 7(9), 12787-12806; https://doi.org/10.3390/su70912787
Received: 27 June 2015 / Revised: 30 August 2015 / Accepted: 14 September 2015 / Published: 18 September 2015
(This article belongs to the Special Issue Energy Conversion System Analysis)
Hybrid renewable energy systems (HRES) are a trendy alternative to enhance the renewable energy deployment worldwide. They effectively take advantage of scalability and flexibility of these energy sources, since combining two or more allows counteracting the weaknesses of a stochastic renewable energy source with the strengths of another or with the predictability of a non-renewable energy source. This work presents an optimization methodology for minimum life cycle cost of a HRES based on solar photovoltaic, wind and biomass power. Biomass power seeks to take advantage of locally available forest wood biomass in the form of wood chips to provide energy in periods when the PV and wind power generated are not enough to match the existing demand. The results show that a HRES combining the selected three sources of renewable energy could be installed in a rural township of about 1300 dwellings with an up-front investment of US $7.4 million, with a total life cycle cost of slightly more than US $30 million. Such a system would have benefits in terms of energy autonomy and environment quality improvement, as well as in term of job opportunity creation. View Full-Text
Keywords: grid-connected hybrid renewable energy system; life-cycle cost; sizing optimization; solar photovoltaic power; wind power; biomass gasification; forest woodchips grid-connected hybrid renewable energy system; life-cycle cost; sizing optimization; solar photovoltaic power; wind power; biomass gasification; forest woodchips
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González, A.; Riba, J.-R.; Rius, A. Optimal Sizing of a Hybrid Grid-Connected Photovoltaic–Wind–Biomass Power System. Sustainability 2015, 7, 12787-12806.

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