Together with the increase of the nominal power to 3,400 kilowatts, the successor model to the 3.2M122 for the IEC wind class S was certified based on IEC IIA and locations in wind zone 4. The energy yield is up to 2.4 percent higher. With this new plant, Senvion improves the efficiency of electricity production on the one hand, on the other hand, the further development of electric capabilities allows a sustainable integration of renewable energies in electricity grids.