The importance of solar photovoltaic (PV) systems has grown significantly with the continuous and rapid development of the solar cells industry over the past years. Grid-connected solar PV systems provide a number of benefits to power distribution systems such as cost-effectiveness of solar panels and inverters, environmentally friendly output of the system as well as its easy installation and minimal maintenance requirements. However, the continuous growth of solar PV systems in existing distribution networks has raised new concerns due to the potential impacts such as on technical power losses and power quality. These impacts are also affected by PV system output variability. Studying the potential impacts of solar PV systems on the distribution network has recently become a significant topic with high attention. This research presents an overview of the potential impacts of solar PV systems integration on the Petroleum Development Oman (PDO) - Mina AlFahal (MAF) distribution network including technical losses, power quality and PV system output variability under different penetration levels and weather conditions. Furthermore, recommendations to mitigate the potential impacts on PV solar systems distribution networks are also presented. The technical losses analysis has been performed by using Load Flow analysis and Quasi-Dynamic time domain simulation with DIgSILENT® simulation software. It was observed that the solar PV systems can reduce technical losses when located close to load centers and when the solar PV output power is less than the power demand required by the end user where no reverse power occurs. Beyond a specific level, any increase in the solar PV capacity may result in an increase of system losses due to increased reverse power flow. In addition, investigations of the power quality issues using measurements have been performed. It was found that the measured voltage unbalance and THD levels were within the limits stated by the distribution code in Oman. Furthermore, the evaluation of voltage flickers showed some violations of the limits specified by the distribution code and thus, required closer system monitoring. The wide-scale integration of the solar PV power might bring concerns regarding PV output variability and its challenges to distribution networks. Aggregating the output of different PV systems can reduce the negative implications of such variability on the grid. Different scenarios were considered to study the smoothing effect of aggregating the output of solar PV systems on output variability. As cloud fronts do not cover different PV plants simultaneously, the aggregated PV system output is less variable than that from a single PV system. The study demonstrates that the smoothing effect is dependent on the number as well as the geographical diversity of PV systems.