Germany has committed to phasing out coal, gas, and nuclear power while pushing renewables to 80 percent of its energy mix by 2030, and this DW documentary asks what happens to grid stability along the way. A network operator spokesperson describes having to intervene multiple times a day just to keep the grid balanced, now that power comes from thousands of rooftops and wind turbines instead of a few dozen large plants. The film lays out the arithmetic problem plainly: Germany's current storage capacity sits at 40 gigawatt hours, enough to cover the country for about an hour if the sun stops shining and the wind stops blowing at once. Engineers, grid operators, and policymakers weigh proposed fixes, including pumped-storage plants, hydrogen storage, and large-scale batteries, against how far those technologies actually scale today. Rather than predicting doom, the documentary treats the blackout question as an open engineering and policy problem, tracing where Germany's energy transition is genuinely exposed and where the safeguards still hold.