EFEA is a forum for bringing academics, scientists, engineers and industrial partners together to discuss the recent developments in the areas of environment-friendly energies and their applications.

In response to the ever-increasing interests and technological developments in environmentally friendly energy systems, the Organizing Committee is pleased to welcome you to the 6th International Conference on Environment-Friendly Energies and Applications (EFEA 2021), which will be held at the Technical University of Sofia in Sofia, Bulgaria, 24-26 March 2021.

EFEA 2020 is the sixth event in the EFEA series, following EFEA 2010 in Ghardaia, EFEA 2012 in Newcastle, EFEA 2014 in Paris, EFEA 2016 in Belgrade, and EFEA 2018 in Rome.