A renewable energy power plant comprising a plurality of renewable energy generators and a control system (32, 602) 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 (32, 602) 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 (32, 602) is configured to: operate (402, 416) 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 (32, 602) 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 (32, 602) is further configured to: calculate (502, 504, 506) 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 (402, 416) 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 (32, 602) 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 (32, 602) is further configured to: calculate (502, 504, 506) 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 (502, 504, 506) 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.