← All glossary terms

Leasing, Transactions, and Commercial Terms

PSA

Purchase and Sale Agreement is the contract governing acquisition of real property. For powered land, the PSA should align diligence, title, easements, utility milestones, zoning, environmental risk, and closing conditions.

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LMP

Locational Marginal Price is the wholesale energy price at a specific grid location, reflecting energy, congestion, and losses. LMP is useful for market intelligence and power-cost context, but retail data center bills may differ substantially due to tariffs, riders, hedges, and contracts.

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Zoning

Zoning is the local land-use classification and rule set that determines permitted uses, dimensional standards, procedures, and conditions. Data centers may require industrial zoning, special approval, or text amendments depending on the locality.

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Tier IV

Tier IV is fault tolerant and concurrently maintainable, meaning an individual equipment failure or distribution path interruption should not affect operations. It is the highest Uptime tier and typically implies higher cost, space, and operational rigor.

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