4th meeting of RE-SAVE project, funded by Erasmus + programme of the EU, was held in Athens on 4th and 5th April 2017 and hosted by the Greek project partner PASEGES. The partners reported their current progress and discussed the upcoming steps to the end of the projects. The Polish partner WUELS and the German Partner Agency for Renewable Resources (FNR) presented the E-learning modules, which they developed: Management of biomass plants for farm energy production and Management of farm Renewable Energy Sources. Additionally Dr. Boris Vashev (FNR) presented two case studies on utilization of on farm utilization of renewable energies related to small scale slurry biogas plants and photovoltaic systems. The RE-SAVE partners adopted the case studies and decided to use them as template.