Which Inverters is Tigo Compatible With? The Tigo Energy System is compatible with all inverters, including off-grid (ex Sunny Island, Xantrex GT, etc.). Click here to see our design section for further details. Related articles Inverter Compliance Can we use an Optimizer on Just One String or One Module? What are the Fundamental Differences Between Tigo and SolarEdge Optimizers? SMA Tigo Compatibility Guidelines AFCI Compliance Comments 0 comments Please sign in to leave a comment.