Clustering of a disproportionate share of global data center capacity in a small number of geographic hubs, creating a localized accumulation risk.
Geographic concentration of data centers refers to the clustering of a disproportionate share of global hosting capacity in a small number of geographic hubs, chosen for cheap electricity availability, tax treatment, fiber connectivity or proximity to other already-installed digital infrastructure. This clustering logic, rational for each operator taken individually, produces sector-wide a risk accumulation that no individual player measures: a local event affecting that hub, a regional grid failure, a natural disaster, capacity saturation, can simultaneously affect a significant share of the world's digital infrastructure hosted by operators that are otherwise competitors with no ownership link between them. For insurers, this concentration turns a set of apparently independent risks, because carried by distinct insureds under distinct policies, into a correlated risk whose aggregate severity can far exceed the perceived sum of individual exposures, a classic modeling blind spot in accumulation analysis for a cyber or technology portfolio.
Loudoun County in Northern Virginia, nicknamed "Data Center Alley," concentrates one of the highest densities of data centers in the world, with a very large share of global internet traffic passing through this single geographic area.
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