- Over 50 million Indian homes are not connected to the electric grid and many experience daily power outages of 2-12 hours. - A solar-powered home in IIT Madras was able to run lights, fans, and charge devices using only a 125W solar panel and 0.5 kWh battery during a 75-hour grid outage, demonstrating the effectiveness of solar-DC or direct current systems. - The document proposes solar-DC microgrids for homes that would connect solar panels, batteries, and DC appliances efficiently without inverters, saving up to 45% of energy lost to conversion compared to traditional AC solar homes.