1. AI-driven data center expansion is driving massive demand for power infrastructure upgrades, requiring trillions in investments to modernize the aging U.S. grid; 2. Key beneficiaries include infrastructure firms like Quanta Services, Eaton, and United Rentals, which are critical enablers of AI growth; 3. Despite high valuations, long-term growth potential remains strong due to policy support and secular trends, with infrastructure companies overlooked compared to AI tech leaders like NVIDIA.