Sungrow has completed the world's first large-scale grid-forming full-scenario validation, testing battery and inverter technology in extreme grid scenarios. The tests showed the technology responded well to short-circuit faults, frequency instability, and blackout conditions, traditionally handled by fossil fuel-powered machines. Grid-forming inverters, like those tested by Sungrow, are seen as a potential replacement for coal and gas generators in providing essential grid services. The findings are significant as they demonstrate the capability of grid-forming technology under real-world conditions, with potential cost savings compared to traditional synchronous condensers. Sungrow's tests included various scenarios such as short-circuit tests, frequency stability, and black start demonstrations, showcasing the technology's ability to stabilize grids without fossil fuel generation. Henry Liu from Sungrow emphasizes the significance of these results in demonstrating grid-forming capabilities for large-scale deployment, highlighting the importance of managing electronically by inverter based resources for clean energy solutions.