Photovoltaic hybrid mini-grid systems (PVHMS) are expected to play a major role in facilitating rural electrification in the developing world, however these systems still face significant barriers to adoption. The technology occupies a middle ground of electrification options e between traditional network extension and individual home systems, possessing elements of each yet also their own distinctive Characteristics. Given this, and their relatively limited application to date, such systems are the focus of a growing body of literature. This work has highlighted a range of potential benefits and risks associated with the technology. However, there still has not been a comprehensive review of these documented benefits and risks; an understanding of which is crucial for informed project investment and implementation decision-making. This paper presents a preliminary review of the existing...