The effect of solar diversity factor on the capacity for renewable generation on the distribution network

The integration of Photovoltaic (PV) systems offers substantial advantages, including emissions reduction, diversified energy sources, and enhanced energy independence. However, it also presents challenges due to the intermittent and variable nature of solar power. The high PV output typically occurring at noon can briefly stress these vital components. Fortunately, transformers are designed to handle various load cycles to ensure they can manage increased loading without sustaining damage. The determination of a diversity factor for solar generation projects has implications for the entire distribution system. The solar factor can lead to a reduction in uncertain loading attributed to solar PV, enhancing transformer and system efficiency. An additional noteworthy benefit lies in the potential for deferred capital investments. By optimally utilizing existing network assets, the need for new transformer units and associated capital expenditures can be postponed. The geographical location of solar panels is a fundamental factor in determining their power output and in turn a diversity factor. This paper details the process of gathering and assessing the data to determine an appropriate diversity factor for solar PV. It also details the results of applying this factor on the available capacity for the connection of generation units.