DCiE
Data Center Infrastructure Efficiency is the inverse of PUE, calculated as IT energy divided by total facility energy. It is less common than PUE today but still useful when reading older efficiency materials.
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Leasing, Transactions, and Commercial Terms
Operating expense pass-through
Operating expense pass-through is a lease mechanism requiring the tenant to reimburse specified operating costs. In data centers, pass-through scope should address utilities, taxes, insurance, maintenance, shared infrastructure, security, and capital repairs.
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Firm service
Firm service is service with higher priority and fewer curtailment rights than interruptible or non-firm service. Data center users usually need firm service for critical load, but some projects may combine firm and interruptible blocks for economics.
Read definition →Assessed value
Assessed value is the value assigned by a taxing authority for property tax purposes. It may differ from market value and can change after improvements, equipment installation, incentive agreements, or reassessment.
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