Comparative study of stand-alone and hybrid solar energy systems suitable for off-grid rural electrification: A review

R.K. Akikur, R. Saidur, H.W. Ping and K.R. Ullah

Renewable and Sustainable Energy Reviews, 2013, vol. 27, issue C, 738-752

Abstract: Global environmental concerns, increasing energy demands and developments in renewable energy technologies present a new possibility to implement renewable energy sources. Solar energy is the most prominent among renewable sources, as it is an inexhaustible resource and its exploitation has thus far been ecologically friendly. The potential amount of solar energy is considerably greater than current worldwide energy demands. Solar energy has been developing more rapidly than the other renewable energy sources for the last few decades. The best way to harvest the sun’s power is photovoltaic (PV) technology. This paper presents a study on solar energy in the form of a stand-alone and hybrid power generation system used to electrify off-grid locations. The stand-alone solar-PV system developed here is intended to be used to power a single house or a small community and it also functions as a mini-grid, generating power in places where adequate solar radiation is available throughout the year. However, many places throughout the world experience unsteady amounts of solar radiation and in those places, a hybrid solar-PV system is the most efficient solution for electrification. The main benefit of the hybrid system is that the weakness of one source is covered by the other source. This paper also presents some comparative case studies, project examples and demonstrations of stand-alone solar and hybrid solar systems implemented at various locations throughout the world over the last twelve years.

Keywords: Solar energy; Hybrid solar energy; Photovoltaic; Off-grid electrification; Rural electrification (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (61)

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DOI: 10.1016/j.rser.2013.06.043

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