If you are planning to install rooftop solar in 2026, you aren't just buying hardware; you are buying a power plant for your home. The most common question we get at FutureHomeLabs is: "How much power does a solar panel produce per day in India?" In the Indian solar market, we often refer to the "Rule of Four." On average, a 1kW solar system produces approximately 4 to 5 units (kWh) of electricity per day. However, this number isn't a constant—it changes based on your city,