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Data Center Design and Operations

Tier I

Tier I is basic capacity infrastructure with limited redundancy and likely site-wide shutdowns for maintenance or repair. It is usually not suitable for mission-critical hyperscale or AI loads without additional mitigations.

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Air permit

Air permit authorizes emissions from regulated sources such as backup generators, testing, fuel systems, or construction activities. Generator-heavy data center designs can make air permitting a material path item and community issue.

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Endangered species review

Endangered species review evaluates whether listed species or habitats may be affected by a project. It can influence site layout, clearing windows, mitigation, federal permits, and utility-corridor routing.

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Minimum import requirement

Minimum import requirement is a rule requiring a site to buy or import a minimum amount of utility power even when it has distributed generation. It can limit the economic value of on-site generation or storage.

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