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 What are the Fundamental Differences Between Tigo and SolarEdge Optimizers? Can we use an Optimizer on Just One String or One Module? SMA Tigo Compatibility Guidelines Can I use TS4 in an off-grid system? (i.e. with a charge controller) Comments 0 comments Please sign in to leave a comment.