Types of Solar Inverters: Ongrid Inverter Offgrid Inverter Ongrid Inverter:Solar Power Panels Generate the Dc Current. That Ongrid Inverter Convert the Dc Current to Ac Current and Ongrid Inverter Wires Connected to the Electricity Net Metering Box and its reduced the Current bill amount. OffGrid Inverter: Solar Power Panels Generate the Dc Current. That Offgrid Inverter Convert the Dc Current to Ac Current and Offgrid Inverter Wires Connected to the Batteries and its reduced the Current bill amount.