Suppose you wish to find an alternative power source to create energy to go camping or power outage. In that case, you can consider getting a solar energy generator.
Similarly, as the name suggests, it uses power from the sun with an idea to produce voltage you can use. The simplest way to understand the common uses of solar energy is by checking here for added info.
Their most common use is when you have issues with the power grid or handle various machines and appliances.