Hitachi Energy has published a perspective on data center site selection under grid constraints, arguing that power availability — not real estate, fiber, or tax incentives — is now the deciding factor for where hyperscale and colocation campuses can be developed. The piece, dated 28 May 2026, frames the electrical grid as the pacing item for the industry’s AI-driven buildout.
Executive Summary
The message from Hitachi Energy, a major supplier of high-voltage transformers, switchgear, and grid automation, is that the data center industry’s traditional site-selection playbook is breaking down. Where developers once optimized for cheap land, fiber routes, and state tax abatements, they are now confronting multi-year interconnection queues and utilities that simply cannot deliver hundreds of megawatts on the timelines AI workloads demand.
The perspective matters because Hitachi Energy sits on the supply side of that bottleneck. Transformers and high-voltage equipment now carry lead times measured in years, and the company’s public framing signals both a diagnosis of the problem and a positioning statement: that early utility engagement, grid-aware siting, and integrated power design are becoming prerequisites, not enhancements, for getting a campus energized this decade.
Power Has Replaced Land as the Binding Constraint
For most of the cloud era, data center site selection followed a familiar checklist: proximity to fiber routes, favorable tax treatment, low natural-disaster risk, and access to water for cooling. Power was assumed. That assumption has quietly collapsed. A single AI training campus can now request 500 megawatts or more — comparable to the load of a mid-sized city — and utilities across North America and Europe are responding with interconnection studies that stretch four to seven years. Hitachi Energy’s framing acknowledges what developers already know privately: the binding constraint is no longer where you can build, but where the grid can actually deliver electrons.
Why a Transformer Vendor Is Talking About Siting
Hitachi Energy is not a neutral commentator. As one of a small handful of global suppliers of large power transformers, high-voltage switchgear, and HVDC (high-voltage direct current) systems, the company is directly exposed to the buildout it is describing. That is not necessarily a problem — the firms that make the equipment often see the pipeline earliest — but readers should weigh the perspective accordingly. The commercial subtext is that operators who engage grid-equipment suppliers early in siting, rather than after a lease is signed, can lock in delivery slots for gear that is genuinely scarce.
Winners, Losers, and the New Geography of Compute
If power is the constraint, the geography of the industry shifts. Traditional hubs like Northern Virginia and Dublin, where transmission is already saturated, become harder to expand. Secondary markets with underutilized generation — parts of the U.S. Midwest, the Nordics, and regions near stranded renewable output — become more attractive, provided the transmission math works. Operators willing to co-locate near generation, sign long-term power purchase agreements, or fund grid upgrades directly gain an edge over those still shopping for shovel-ready sites. Utilities, meanwhile, gain unusual leverage: they are effectively rationing a scarce good, and the terms they set will shape which hyperscalers and colocation providers can scale in a given region.
The Risk of Treating the Grid as a Marketing Story
The piece is a corporate perspective, not an engineering white paper, and it is fair to note what that format cannot do. It does not quantify how much of the current interconnection backlog is caused by equipment lead times versus utility planning cycles versus permitting, and those causes require different fixes. Framing site selection as primarily a siting-strategy problem risks understating the structural issues — transmission planning, permitting reform, and generation adequacy — that no single developer or vendor can solve on their own. The useful takeaway is directional: power constraints are now a first-order design input. The unresolved question is who bears the cost of fixing them.
Background
Hitachi Energy was formed in 2020 when Hitachi acquired a majority stake in ABB’s power grids business, creating one of the largest global suppliers of high-voltage equipment, grid automation, and HVDC transmission systems. The company sells primarily to utilities, transmission operators, and large industrial customers, and has increasingly turned its attention to data centers as their electrical demand has begun to rival that of heavy industry.
The wider context is a global grid under simultaneous pressure from AI-driven data center growth, the electrification of transport and heating, the retirement of legacy generation, and renewable integration. Transformer lead times, interconnection queues, and transmission planning have moved from back-office concerns to boardroom issues for hyperscalers, colocation providers, and their investors.
Source: Data Center Site Selection: Finding Power on a Constrained Grid – Hitachi Energy — a perspective piece from grid-equipment supplier Hitachi Energy on how power availability is reshaping where data centers can be built.