Yield on cost
Yield on cost is stabilized NOI divided by total project cost. Developers use it to judge whether projected returns justify construction, power infrastructure, land, entitlement, and leasing risk.
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Cooling and Water
Chiller
A chiller removes heat from water or another fluid so it can be circulated through cooling coils or liquid-cooling loops. Chiller capacity, redundancy, efficiency, water use, and ambient conditions affect both PUE and site utility demand.
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SCADA
Supervisory Control and Data Acquisition is a system for monitoring and controlling equipment remotely. Utilities and large facilities use SCADA for status, alarms, telemetry, breaker control, load monitoring, and operating visibility.
Read definition →Wastewater discharge
Wastewater discharge is the release of used water from cooling, treatment, sanitary, or process systems under permit or utility rules. Data centers using evaporative or water-cooled systems must understand discharge volume, chemistry, temperature, and treatment requirements.
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