On-grid solar systems are connected to the local utility grid, allowing them to draw electricity from the grid when solar production is insufficient to meet demand and to export excess electricity back to the grid when production exceeds demand. On-grid solar systems require a grid-tie inverter, which converts the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that is compatible with the utility grid and can be used to power electrical devices and appliances.
