This whitepaper examines how the static UPS, the dominant technology in most regions, compares with rotary designs when set against the backdrop of changing customer business demands, as well as evolving energy grid and environmental regulations. . Energy storage systems will be fundamental for ensuring the energy supply and the voltage power quality to customers. Starting from system. . Author to whom correspondence should be addressed. The integration of large-scale distributed photovoltaics (DGPVs) and the generation of distributed photovoltaics (PVs) and loads with distinct characteristics in different transformer areas causes voltage problems in distribution networks. . SVGs play a key role in managing reactive power, making a big difference in power quality and grid stability across electrical networks. First, EES reduces electricity costs by storing electricity obtained at off-peak times when its price is lower, for use at peak times instead of electricity bought then at higher prices. Among the many grid storage technologies. .