Renewable energy as a new trend for energy consumption now has been more and more important, not only for the low carbon emissions but also the economic growth. From the preliminary investigation of contribution to the EU budget, geographical location factor, technology level factor and also, based on the resource information, this case study shows a clear overview of different renewable development situation on the basis of the selected European countries including the UK, Germany, France Italy and Spain. Analysis includes current situation, application of renewable energy and also, the discussion of which renewable energy is the most suitable for the development in the future. Based on the research found, the implications as well as suggestions are also included in the case study report.