Method for operating a wind energie plant and wind energie plant therefor

process for operating a wind energy plant with a rotor- driven electrical generator for delivering electrical power to an electrical network (6), in particular its connected loads (8), whereby the from the generator to the network (6) output power dependent on the regulated by a network (6) applied electrical voltage is, and where the power-surge protection, a Power output is effected that is less than the available generator power the wind power plant, characterized in that the reduced Power output even before reaching a defined maximum Mains voltage value (Umax) after exceeding takes place of a specific network voltage value (P1).