← All glossary terms

Cooling and Water

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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Middle mile

Middle mile is regional network infrastructure connecting local access networks to long-haul backbones or major exchange points. Powered-land sites far from dense fiber markets may need middle-mile upgrades to become viable.

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Environmental Assessment

Environmental Assessment is a NEPA document used to determine whether a federal action may cause significant environmental effects. It can lead to a finding of no significant impact or to a more detailed environmental impact statement.

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MWh

Megawatt-hour equals one MW used for one hour. MWh matters for energy cost, emissions, battery duration, and renewable matching, while MW matters for peak capacity and grid impact.

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