Wind energy installation comprising a rotor comprising at least one rotor blade, said rotor being directly or indirectly coupled to a generator, for electrical power generation, and comprising an electrical system, consisting of various electrical system units (210, 220, 230, 400) comprising electronic, electrical and/or electromechanical and/or sensor components and/or electrotechnical protection devices, the electrical system units (210, 220, 230, 400) at least comprising a device for coupling the generator to an electrical grid, and also a control device (210, 400) with an operations management computer, said control device optimizing the electrical power generation inter alia, and all components of an electrical system unit (210, 220, 230, 400) or specific components of the electrical system unit (210, 220, 230, 400) being combined according to their tasks into one or more function modules (250, 250', 410) which implement at least one function in connection with the electrical power generation, at least one parallel module (270, 410') being provided in association with at least one function module (250, 250', 410) and implementing or being able to implement a function identical or similar to that of the function module (250, 250', 410) during normal operation of the installation, and function module (250, 250', 410) and parallel module (270, 410') being connected or connectable to one another in such a way that in the event of an operation disturbance during which a function module (250, 250', 410) or a parallel module (270, 410') fails, the remaining operational function or parallel module (250, 250', 270, 410, 410') at least partly maintains the electrical power generation, environment and installation parameters being fed to the control device and the control device being configured to carry out operations management of the installation by means of the environment and installation parameters, the environment parameters comprising the air temperature and the installation parameters comprising the installation temperature, characterized in that permissible range limits of the environment parameters and installation parameters in normal operation are defined by way of standard design parameters which stipulate that the installation is intended to be operated only in a specific installation temperature range and that, in the event of this temperature range being exceeded, the generator power is reduced in order to lower the installation temperature, the operations management computer being configured to access temporary design parameters in the case of the operating disturbance, by way of which temporary design parameters the permissible range limits of the installation temperature are modified such that electrical power generation is maintained despite the occurrence of the operating disturbance. permissible range limits of the environment parameters and installation parameters in normal operation are defined by way of standard design parameters which stipulate that the installation is intended to be operated only in a specific installation temperature range and that, in the event of this temperature range being exceeded, the generator power is reduced in order to lower the installation temperature, the operations management computer being configured to access temporary design parameters in the case of the operating disturbance, by way of which temporary design parameters the permissible range limits of the installation temperature are modified such that electrical power generation is maintained despite the occurrence of the operating disturbance.