California's Grid Pivot: Solar Now Replaces Natural Gas as Primary Power Source

California's energy grid has crossed a historic threshold, with solar now generating more electricity than natural gas on over 80% of days—a dramatic turnaround from just 21% in 2024. This shift reflects a 19% expansion in solar capacity and explosive 79% growth in battery storage, proving that renewable-heavy grid management is both technically feasible and economically competitive. The transformation has major implications for decarbonization strategies nationwide and establishes California as the model for clean energy grid transition.