The process of upgrading solar panels to the current solar system is not the same as when you first installed them. There is a big difference between both. The factors are different and the value of adding new panels is also different. Therefore, you should not follow the same procedure that you had followed when you were looking for a brand new solar power installation in Sydney. You can always get in touch with the best solar company in Australia to get the best advice. To help you in this process, we are sharing some of the facts that you must keep in mind while upgrading your solar system. Depending on why you are adding panels, your considerations will be different. Let’s take a look at each of them.