Li-ion based optimally sized grid interfaced roof top PV system

Increase in power demand and insufficient power generation has lead to frequent power cuts, which have become a major concern for house owners. Due to falling PV panel prices and concerns over greenhouse gas emissions, lead acid based PV systems are gaining popularity for home electrification during power cuts. Lead acid battery used for energy storage has high recurring cost and adversely impact the environment, with hazardous compounds contaminating the environment on its improper disposal. To overcome this issue, an optimal method of PV sizing is implemented in this paper to reduce battery sizing in roof top PV systems and a suitable battery technology is adopted to reduce the total cost of ownership of the system.