Amazon’s chief executive warned that power is the “single biggest constraint” for its cloud and AI operations, putting electricity supply at the center of investor scrutiny. As the world’s largest cloud provider, Amazon runs self‑built data centers that draw roughly 9 gigawatts of power—about the output of an entire state grid. This scale gives Amazon a clear incumbent edge in the AI race.

Google, trailing Amazon in raw capacity, operates about 5 gigawatts across its self‑built sites, while Microsoft and Meta sit near 5 and 4 gigawatts respectively. Aterio’s analysis projects Google will expand its footprint fastest, adding more power and leased space than any rival through 2030. That acceleration could narrow the gap with Amazon even as both firms chase additional renewable contracts.

Investors monitoring hyperscalers now watch utility filings and satellite data as much as chip purchases. Aterio forecasts Amazon will still lead U.S. data‑center and power additions through 2030, but Google’s rapid build‑out means the competitive advantage hinges on securing long‑term electricity. The race for megawatts, not just models, will shape AI margins this decade and could tilt pricing power toward the winner.