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Leasing, Transactions, and Commercial Terms

Modified gross lease

Modified gross lease splits expense responsibility between landlord and tenant according to negotiated terms. It is less standardized than NNN or full-service gross structures, so definitions and exclusions matter.

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Concurrent maintainability

Concurrent maintainability means planned maintenance can be performed on capacity components or distribution paths without interrupting operations. It is central to Tier III concepts and depends on design plus operating procedures.

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Liquid cooling

Liquid cooling removes heat using liquid closer to the IT components than traditional room air cooling. It is increasingly important for AI workloads because rack power densities can exceed practical air-cooling limits.

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Reactive power

Reactive power supports electric and magnetic fields in AC systems and is typically measured in kVAR or MVAR. It does not perform useful work like kW, but it is essential for voltage control and can materially affect grid studies and power factor penalties.

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