Advanced grid-connected inverters have been developed as a result of the rapid expansion of renewable energy sources, particularly photovoltaic (PV) systems, in order to improve power conversion efficiency, reliability, and grid integration. An innovative single-phase, seven-level grid-connected inverter. The suggested inverter uses cutting-edge topology and control techniques to overcome a number of significant problems with PV grid integration. IGBTs and diodes are used in tandem to create the seven-level configuration, which results in a multilayer output voltage waveform. Along with lowering Total Harmonic Distortion (THD), this arrangement also enables better voltage quality and less electromagnetic interference.