The primary bottleneck for scaling AI over the next decade may be the difficulty of bringing gigawatt-scale power online to support data centers. Smart money is already focused on this challenge, which is more complex than silicon supply.

The focus in AI has evolved from rapid software capability gains to the physical constraints of its adoption. The demand for compute power is expected to significantly outstrip supply, making infrastructure—not algorithms—the defining bottleneck for future growth.

Pat Gelsinger contends that the true constraint on AI's expansion is energy availability. He frames the issue starkly: every gigawatt of power required by a new data center is equivalent to building a new nuclear reactor, a massive physical infrastructure challenge that will limit growth more than chips or capital.

Despite staggering announcements for new AI data centers, a primary limiting factor will be the availability of electrical power. The current growth curve of the power infrastructure cannot support all the announced plans, creating a physical bottleneck that will likely lead to project failures and investment "carnage."

Contrary to the common focus on chip manufacturing, the immediate bottleneck for building new AI data centers is energy. Factors like power availability, grid interconnects, and high-voltage equipment are the true constraints, forcing companies to explore solutions like on-site power generation.

The limiting factor for large-scale AI compute is no longer physical space but the availability of electrical power. As a result, the industry now sizes and discusses data center capacity and deals in terms of megawatts, reflecting the primary constraint on growth.

Unlike the dot-com era's speculative approach, the current AI infrastructure build-out is constrained by real-world limitations like power and space. This scarcity, coupled with demand from established tech giants like Microsoft and Google, makes it a sustained megatrend rather than a fragile bubble.

According to Arista's CEO, the primary constraint on building AI infrastructure is the massive power consumption of GPUs and networks. Finding data center locations with gigawatts of available power can take 3-5 years, making energy access, not technology, the main limiting factor for industry growth.

The primary constraint on the AI boom is not chips or capital, but aging physical infrastructure. In Santa Clara, NVIDIA's hometown, fully constructed data centers are sitting empty for years simply because the local utility cannot supply enough electricity. This highlights how the pace of AI development is ultimately tethered to the physical world's limitations.