  COVID-19 has a vast impact on the power systems considering the customers
demand and human resources. During this situation, the utilization of
microgrids (MGs) may help the power systems balance the generation and
consumption of power, which leads to customer satisfaction. In this paper, the
optimal power scheduling of energy sources in an islanded MG by considering the
upside risk (UR) is proposed for the very first time. The intended islanded MG
consists of various sources such as wind turbine (WT), photovoltaic (PV),
diesel generator (DGR), and battery. The goals of this work are minimizing the
energy not supplied (ENS) in islanded mode considering the COVID-19s effect and
implementing the demand response program (DRP). The difference between target
ENS and actual ENS when actual ENS is less than the target is defined as UR.
The results indicate that the UR related to the ENS of the islanded MG
decreases significantly by slightly increasing the ENS. Moreover, COVID-19
decreases the ENS considerably and has a bigger effect than the DRP.
