IEEE Spectrum’s January 2026 report shows that the boom in data center construction is heavily concentrated in the United States. Analysis of land purchases, facilities under construction, and announced data center plans indicates that more than half of all new global data centers will be built in the United States, placing it well ahead of other regions in near-term growth. The figures may underrepresent activity in China, where many projects aren’t publicly reported, but even adjusted estimates would still leave the U.S. leading, China trailing, and the rest of the world further behind. This dominance reflects both the scale of American technology demand and the size of typical U.S. facilities, which are generally larger on average than those elsewhere.
That concentration brings infrastructure challenges. One concern is whether the U.S. electrical grid can keep pace with rising demand from these power-hungry facilities. Data centers are among the most intensive energy consumers in modern industry, and expansion without corresponding upgrades to power generation and distribution could strain systems that have seen relatively flat overall electricity demand for decades. Experts suggest that demand flexibility, such as shifting heavy computation to off-peak hours and deploying on-site storage like batteries, could help ease the burden on grids.
The report highlights broader implications of data center growth. Expanding facilities support the digital economy, cloud computing, and AI development, but they also create concentrated loads that challenge planners and utilities alike. These challenges aren’t limited to electricity. Other studies show that water use for cooling and greenhouse gas emissions tied to electricity generation will rise alongside data center capacity, underscoring the environmental footprint of the sector’s expansion.
With data centers central to online services and AI infrastructure, location patterns and infrastructure readiness will shape where growth is feasible. Decisions about siting, power flexibility, and sustainability investments will matter not just for operators, but for communities and grids that host this wave of digital infrastructure.