Sustainability and profitability of photo voltaic systems as effective renewable resource application

Solar panel functionality, design, accessibility on the world market, their costs and maintenance are considered in this manuscript. Those are all crucial issues that will determine the following use of solar panels in the future. Solar panels are very important and innovative step to smart cities and environment. There is a constant improvement of those devices and their appearance. At the moment, they are a very powerful tool which represents the strength of renewable resources. Through this manuscript, also the benefits of its application, economic and technical aspects are analyzed and discussed