The fair subsidy of the domestic PV/Battery on-grid system according to the peak load of the city grid
This research presents a method in sizing a combined on-grid battery and PV system with the aim of providing the needs during the peak load of the network and then estimating the cost and determining the amount of fair subsidies from the government. PV and battery systems that are used in many home, office and commercial sectors today are often connected to the national grid and PV and battery systems are considered as backup systems. The important function of such a system, apart from supplying electricity in the event of a nationwide power outage, is to minimize the cost of electricity consumption by reducing the power consumption during the peak. On the other hand, the function of such systems is to reduce the amount of electricity consumption from the network and reduce the pressure on the network. The first step in installing these systems is to obtain the right size for PV and batteries so that the household load is consumed during the peak and thus minimizes the costs. Then, the cost of the optimal size is calculated, and according to the 4-year return on investment period, the amount of subsidy that the government has to pay for the installation of these systems is calculated. In this paper, we try to simulate the consumption load of a residential house to obtain the appropriate capacity for the PV system and batteries in order to meet the mentioned result.
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