There is a reason why solar energy has become a trending topic when talking about renewables. While it has been widely criticised for being expensive or not very efficient, solar energy has now proved to be extremely beneficial – not only for the environment but also financially speaking. Additionally, due to the higher demand, the technology has been improved considerably, turning into a significantly efficient source of clean energy. Advantage of Solar Energy : Solar energy systems generally dont require a lot of maintenance. You only need to keep them relatively clean, so cleaning them a couple of times per …