Currently known as nanogrids, the number of projects implemented is very low. Returns on investment seem too low in developed countries: gains in terms of energy efficiency are too low compared to the classical AC solution, voltage quality issues may arise, there are significant losses in wiring.? However, the benefits also depend on the penetration rate of IoT, battery, PV panels, EV, smart power systems etc, in domestic settings. Nanogrids are solutions that are definitely being considered in emerging countries due to their ability to be off-grid.
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