The US data center power shortage is no longer a theoretical problem. Half of planned US data center builds have been delayed or canceled due to shortages of power infrastructure and parts from China, including transformers, switchgear, and batteries needed for expansion. This is not a minor hiccup—it is a fundamental constraint on the AI boom itself.
Key Takeaways
- Half of US data center projects delayed or canceled due to power and equipment shortages
- Data center electricity consumption projected to jump from 4.4% to 9-17% of US power by 2030
- A single modern AI data center consumes as much power as 100,000 homes
- 2025 saw electricity prices rise nearly 10% on average, driven partly by data center demand
- Only 1/3 of 12 GW expected data center capacity in 2026 is currently under active construction
Why the US data center power shortage is strangling growth
Approximately 12 gigawatts of data center capacity is expected to come online in the US in 2026, but only about one-third is currently under active construction. The bottleneck is brutal: US companies are investing $650 billion in infrastructure, yet delays from equipment shortages are forcing project cancellations across the country. Transformers and switchgear—the unglamorous backbone of any data center—are stuck in supply chains dominated by Chinese manufacturers, and tariffs are making alternatives prohibitively expensive.
The grid itself is buckling. Data centers consumed 4.4% of US electricity in 2023, a figure projected to climb to 9-17% by 2030 according to the Electric Power Research Institute, with some analyses suggesting as high as 12% by 2028. A single modern AI data center uses as much power as 100,000 homes; the largest ones consume up to 20 times that amount. If projections hold, up to 90 GW of data centers could come online by 2030—equivalent to nine times New York City’s peak summer demand.
The financial strain is already visible. In 2025 alone, US rate increases exceeded $60 billion, with electricity prices climbing nearly 10% on average compared to 2024, driven partly by data center infrastructure demands in regions like the Mid-Atlantic. This is not just a cost problem for tech companies—it is a cost problem for every household on the grid.
The US data center power shortage intersects with policy chaos
Equipment shortages are only half the story. The Trump administration’s rollback of clean energy incentives—including cuts to solar and wind tax credits that will eliminate 344 GW of generating power over the next decade—is shrinking the supply of new electricity just as demand explodes. Tariffs on imported goods are raising costs across the supply chain, while permitting delays and logistical bottlenecks are stretching timelines.
Utilities are fighting back with new billing models. AEP Ohio introduced data center tariffs requiring 85% energy payment commitments, which dropped projected demand from 30 GW to 13 GW and eliminated speculative projects. Oregon, Minnesota, and Missouri are following suit with new billing structures for large users to prevent costs from shifting to residential customers. These are not regulatory nuisances—they are survival mechanisms for a grid approaching collapse.
In July 2024, a voltage fluctuation in northern Virginia disconnected 60 data centers simultaneously, creating a 1,500 MW power surplus and exposing how fragile the system has become. The grid is stressed by electric vehicles, electrified heating systems, aging equipment requiring upgrades, wildfires, extreme weather, and the sheer cost and long lead times of replacement equipment like gas turbines and transformers.
What happens when half the projects stall?
The delay of half of planned US data center builds is not a temporary setback—it signals a structural mismatch between AI infrastructure ambitions and physical reality. Companies betting on rapid data center expansion are now facing the possibility of stranded assets, where partially built facilities sit idle while waiting for power connections that may not materialize for years. If demand does not materialize as projected, consumers could end up subsidizing speculative builds through higher electricity rates.
The US data center power shortage also creates a competitive advantage for countries with more stable grids and cheaper electricity. China dominates production of the electrical equipment Americans need, and tariffs are making it harder to source alternatives domestically. Utilities exploring power purchase agreements and special tariffs are trying to manage risk, but the fundamental problem remains: the grid cannot support the infrastructure AI companies want to build.
Is the US data center power shortage temporary or permanent?
The shortage is structural, not cyclical. Lead times for transformers and other critical equipment stretch 18 months or longer, and Chinese manufacturers control the majority of production. Even if tariffs were eliminated tomorrow, the physical capacity to manufacture and install equipment would take years to expand. The US data center power shortage will constrain growth through at least 2026, and possibly beyond.
Will data center tariffs stop AI infrastructure growth?
Tariffs like the one AEP Ohio introduced will slow speculative projects but will not stop essential builds. Large tech companies have committed to data center expansion and will absorb higher energy costs. What tariffs do accomplish is eliminate wasteful over-building and force utilities to prioritize projects with genuine demand signals rather than financial speculation.
What is the long-term solution to the US data center power shortage?
There is no single fix. The grid needs new generation capacity, faster permitting, domestic manufacturing of critical equipment, and realistic pricing that reflects true costs. Until those pieces align, the US data center power shortage will remain a hard constraint on AI infrastructure growth. Companies exploring alternatives—including space-based solutions to avoid terrestrial grid limitations—are signaling that traditional approaches are no longer viable. The AI boom was never going to be unlimited; the grid is finally forcing the industry to reckon with that reality.
Edited by the All Things Geek team.
Source: TechRadar
