Abstract
This paper presents a detailed literature review on the issues and technical difficulties encountered in integrating large-scale photovoltaic (PV) systems to the grid and the role of generation dispatch in solving such challenges. It is observed that although there is a widespread adoption of stability (voltage, frequency and angle) strategies in dealing with intermittent nature of PV systems, generation dispatch techniques can equally be employed to overcome the challenges posed by large-scale PV systems. Hydro-electric generators equipped with automatic generation control and combustion turbines coupled to the grid are some of the best options in this regard. It is expected that utilities will not only fulfill their mandate of ensuring continuity of supply, but will also be able to cut costs through optimal generation dispatch. The greatest benefit is the self-reliance in terms of energy supply at all times, including night-time when ordinary photovoltaic systems are considered redundant.
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