This paper deeply presents a comprehensive review on assessment of reactive power compensation on grid-connected wind farms, considering technological advances, current challenges, and proposed future directions. Renewable energy (RE) sources particularly wind energy, have garnered increasing interest in electricity generation. Researchers have undertaken multiple efforts to discover effective solutions for harnessing wind energy, through comprehensive studies and extensive research. The interaction between the power grid and individual units of wind power producers has the potential to disrupt stable operations due to power system instability Among these challenges, the issue of voltage instability within the power system is particularly significant, as it can lead to voltage collapse in the absence of appropriate stability control. To mitigate the challenge, Reactive power compensation is vital ensuring that the system stability is maintained, there are always challenges ranging from technical and environmental challenges among others, but these can always be adequately curbed through technological advancements explorations.