Rumor
AWS and Microsoft report substantial data center power capacity additions reaching multi-gigawatt scale
Wednesday, December 10, 2025 at 06:53 PM
Cloud providers AWS and Microsoft have significantly increased their data center power capacity over the past year. AWS added 3.8 GW while Microsoft added over 2 GW. Specific large-scale projects include xAI's Memphis site and Microsoft's Fairwater facility, the latter of which reportedly utilizes hundreds of thousands of NVIDIA GPUs. These developments indicate a multi-gigawatt expansion of AI infrastructure that contradicts lower estimates.
Context
Recent data from Aterio, updated through mid-2025, reveals substantial active data center power capacities for major hyperscale providers. Amazon Web Services (AWS) is estimated at 9 GW, with Meta at 5.3 GW, Google (GOOGL) at 5.1 GW, and Microsoft (MSFT) at 4.7 GW. These figures underscore the significant infrastructure investments by tech giants to meet growing demands.
This rapid expansion is largely fueled by the escalating requirements of artificial intelligence (AI) workloads and cloud computing, necessitating immense power resources. Industry analysis confirms a global surge in data center capacity throughout 2025. The scale of this growth is highlighted by recent project announcements, with Aterio reporting 10.5 GW in new capacity filed in August 2025 and 9.6 GW in April 2025. This aggressive build-out reflects the critical role these companies play in the digital economy and the ongoing AI revolution.
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