Solar PV Inverter The Senergy solar inverter product line is suitable for a variety of applications. From residential rooftop solar systems, commercial building integrated solar systems, industrial rooftops to megawatt-scale solar power plant applications, Senergy offers a wide range of grid-tied string and centralized inverters for interacting with major solar modules. The role of a solar inverter is simple: it converts the direct current (DC) generated by solar panels into alternating current (AC) that can be used by appliances.