Commissioning, acceptance and warranty testing, recurrent, condition-based testing, testing of blade adjustment angle, continued operation after 20 years (analytical and practical part), turbulence report, measurement and determination of turbine data (rotor blade profile, wall thicknesses, natural frequencies, tower tilt), declaration of conformity and commissioning in accordance with grid connection rules / TR8, testing in accordance with TR3 (commissioning, network protection device, harmonic remeasurement), Electrical and equipment testing, measurement of gearbox and generator movement.