Today, more and more people need energy to run their homes and appliances, and they want energy that is good for the earth. Solar energy from the sun is very helpful because the sun gives plenty of light, especially in a large country like India. That is why making solar panels (things that capture sunlight and convert it into electricity) can be a good business. But before starting this business, the biggest question is how much money do you need to set up a solar panel factory?