**Grid infrastructure**—the vast web of transmission lines, substations, transformers, and storage that carries electricity from power plants to wall sockets—is the backbone of modern life. As solar farms multiply and electrification accelerates, that backbone is straining, making grid buildout the decisive battleground of the clean energy transition. The signals are flashing. Ex-Meta CTO Mike Schroepfer's **Gigascale Capital** raised a $250 million climate fund targeting grid infrastructure. Utility-scale battery failures plummeted 98% between 2018 and 2025, **EPRI** reports—though early-vintage systems face mounting retrofit costs. Bottlenecks bite hardest on the ground: ERCOT solar developers spend more time in interconnection queues than sourcing panels, New York's transformative **Champlain Hudson** transmission line keeps hitting delays even as heat waves strain the grid, and California's double-the-national-average electricity prices reveal the cost of falling behind. Latin America, meanwhile, is steering investment toward storage and grid. The implication: capital, technology, and policy are converging on the grid. For investors, utilities, and developers, the opportunity spans transmission development, battery retrofits, and operations services—the unglamorous, high-stakes work that will determine how fast the energy transition actually moves.