With a special focus on offshore wind and energy efficiency, the 4th meeting of the Energy Transition Working Group took place on May 10th with the participation of METI and BMWK as well as experts from the two priority areas. The ministries took the opportunity to learn about current energy policy developments in their respective partner countries, from which new ideas for future exchange formats could be generated. In the subsequent discussion round, the challenges, but also the importance of expanding renewable energies and increasing energy efficiency in view of the Russian war of aggression against Ukraine were discussed.