Episode 14 of Quantum Computing Business with Fexingo. Lucas and Luna zoom in on an overlooked business constraint: where quantum computers can physically be built and run. They break down the power draw of a single quantum system — 25 to 30 kilowatts for the dilution refrigerator alone — and how that compares to a traditional data centre rack at 5 to 10 kilowatts. They discuss why IBM chose Poughkeepsie, New York for its Quantum System Two, and how the Department of Energy's high-performance computing sites like Oak Ridge are becoming natural hubs. They explore the cooling trade-offs between dilution refrigerators and trapped-ion systems, and why the real estate cost per watt of quantum is an order of magnitude higher than classical computing. The hosts walk through what a site selection checklist looks like: stable power, access to liquid helium supply chains, seismic stability, and proximity to talent. They also touch on who is already building quantum-ready facilities — from Equinix colocation pilots to national lab expansions. The episode closes with a question: will quantum computing eventually force a redesign of the power grid itself, or will classical and quantum co-locate inside existing hyperscale data centres?

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