Process for operating a wind park consisting of a number of wind energy plants comprises controlling the operations of each plant until the net electrical power is supplied up to a predetermined maximum value. - Independent claims are also included for the following: Wind park having a central control installation; and Wind energy plant. Preferred Features: Electrical energy for driving the wind energy plant is based on one or more wind energy plants already in the production mode. The wind energy plants are operated with the lowest possible energy requirement for a prescribed operation.