The AI Infrastructure Stack
Overview  /  Tier III Physical Data Center  /  Layer 06: Data Center Facility Systems
Sub-category 6.6

On-Site Switchgear & Substations

Medium-voltage gear that takes utility power and steps it down for the DC. 2–3 year lead times for transformers.

Players

Players: Eaton ETN, ABB ABB, Schneider Electric SU.PA, Hubbell HUBB, Powell Industries POWL, Hitachi Energy 6501.T, GE Vernova GEV, Siemens Energy ENR.DE

Analysis coming soon — this page is scaffolding for deeper research into on-site switchgear & substations.