EXPLAINING SHUNTS SHUNT METERS AND SHUNT REGULATORS

How many watts does a solar light need to illuminate 50 square meters?

To calculate how much solar power you'd need for a single light bulb, you can consider that commercially available photovoltaic solar panels are about 10 percent efficient in converting solar energy into electrical energy. Therefore, to power a light bulb, you would need approximately 10 percent of the energy the light bulb consumes from the electrical grid, in the form of solar power.