A renewable energy power plant comprising a plurality of renewable energy generators and a control system for controlling the power output of the plurality of renewable energy generators , a power network connecting those renewable energy generators to a Point of Interconnection (Pol) with which the power network is connected to an external power grid , and measurement means configured to measure electrical parameters associated with the Point of Interconnection , and wherein the control system further comprises a plurality of renewable energy generator controllers , each one of the renewable energy generator controllers being associated with a respective renewable energy generator or group of renewable energy generators ; wherein the control system is configured to: operate each renewable energy generator to achieve a respective current level at a terminal of the respective renewable energy generator that is equal to a current set point; implement, during a grid fault event, a feedback control routine in which the control system is configured to: determine a measured value of an electrical parameter at the Point of Interconnection , determine a target value of the electrical parameter; characterized in that in the feedback control routine the control system is further configured to: calculate a correction factor comprising a calculation of a ratio between the measured value and the target value of the electrical parameter, and calculate a directional component indicating the direction in which the ratio should be applied; communicate the calculated ratio and the directional component to the renewable energy generator controllers ; wherein each of the renewable energy generator controllers is configured to: modify the current set point based on the calculated ratio and the directional component for its respective renewable energy generator or generators . operate each renewable energy generator to achieve a respective current level at a terminal of the respective renewable energy generator that is equal to a current set point; implement, during a grid fault event, a feedback control routine in which the control system is configured to: determine a measured value of an electrical parameter at the Point of Interconnection , determine a target value of the electrical parameter; characterized in that in the feedback control routine the control system is further configured to: calculate a correction factor comprising a calculation of a ratio between the measured value and the target value of the electrical parameter, and calculate a directional component indicating the direction in which the ratio should be applied; communicate the calculated ratio and the directional component to the renewable energy generator controllers ; determine a measured value of an electrical parameter at the Point of Interconnection , determine a target value of the electrical parameter; calculate a correction factor comprising a calculation of a ratio between the measured value and the target value of the electrical parameter, and calculate a directional component indicating the direction in which the ratio should be applied; communicate the calculated ratio and the directional component to the renewable energy generator controllers ; wherein each of the renewable energy generator controllers is configured to: modify the current set point based on the calculated ratio and the directional component for its respective renewable energy generator or generators . <EOS>