A wind turbine comprising: a wind turbine blade situated on the wind turbine comprising a side and a tip, the blade being configured to rotate about an axis upon an impact of a wind flow on the blade; and a plurality of active flow modification devices disposed on the blade, the active flow modification devices comprising a plurality of synthetic jets (22, 23) configured to modify the wind flow proximate to the blade, and wherein the active flow modification devices are configured to receive active flow instructions; and a controller configured for providing the active flow instructions to the active flow modification devices based on a response strategy to modify jet flows introduced by the active flow modification devices; wherein the response strategy is selected from the group consisting of modifying a velocity of the synthetic jets (22, 23), modifying a frequency of the synthetic jets (22, 23), selectively activating respective of the synthetic jets (22, 23) based on the location of respective synthetic jets (22, 23) on the blade, respective angles of the synthetic jets (22, 23), respective sizes of the synthetic jets (22, 23), respective shapes of exits of the synthetic jets (22, 23), and combinations thereof; wherein the active flow modification devices are disposed on a side, and wherein the active flow modification devices are configured for modifying flow separation; and characterised in that: the active flow modification devices are configured for promoting flow separation to decrease lift during undesirable loading conditions by introducing an unsteady jet flow with a large component of momentum substantially disruptive to the wind flow proximate to the blade, said jet flow being an oblique jet flow that obstructs the natural wind flow proximate to the blade. a wind turbine blade situated on the wind turbine comprising a side and a tip, the blade being configured to rotate about an axis upon an impact of a wind flow on the blade; and a plurality of active flow modification devices disposed on the blade, the active flow modification devices comprising a plurality of synthetic jets (22, 23) configured to modify the wind flow proximate to the blade, and wherein the active flow modification devices are configured to receive active flow instructions; and a controller configured for providing the active flow instructions to the active flow modification devices based on a response strategy to modify jet flows introduced by the active flow modification devices; wherein the response strategy is selected from the group consisting of modifying a velocity of the synthetic jets (22, 23), modifying a frequency of the synthetic jets (22, 23), selectively activating respective of the synthetic jets (22, 23) based on the location of respective synthetic jets (22, 23) on the blade, respective angles of the synthetic jets (22, 23), respective sizes of the synthetic jets (22, 23), respective shapes of exits of the synthetic jets (22, 23), and combinations thereof; wherein the active flow modification devices are disposed on a side, and wherein the active flow modification devices are configured for modifying flow separation; and characterised in that: the active flow modification devices are configured for promoting flow separation to decrease lift during undesirable loading conditions by introducing an unsteady jet flow with a large component of momentum substantially disruptive to the wind flow proximate to the blade, said jet flow being an oblique jet flow that obstructs the natural wind flow proximate to the blade. the active flow modification devices are configured for promoting flow separation to decrease lift during undesirable loading conditions by introducing an unsteady jet flow with a large component of momentum substantially disruptive to the wind flow proximate to the blade, said jet flow being an oblique jet flow that obstructs the natural wind flow proximate to the blade.