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A comparative review is presented for integrated PEM Fuel Cell and Photovoltaic generating system to single phase utility grid. Different techniques of common coupling for integration have been investigated for this system. For both common AC bus and Common DC bus integration schemes, two different current control techniques have been investigated. The simulation result shows that common DC bus integration with PI current controller in series hysteresis limiter has less harmonics and more efficient than conventional current controller and Common AC bus Integration.