Uptime
Uptime is the time a system is operating and available for use. In commercial discussions, uptime claims should be tied to specific infrastructure, time period, measurement method, and exclusions.
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Power Fundamentals
Short-circuit study
A short-circuit study estimates available fault current at points in the electrical system. The results drive breaker interrupting ratings, protective-device coordination, arc-flash analysis, and whether added load or transformers create equipment-duty problems.
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ISO
Independent System Operator is an entity that coordinates grid operations and often wholesale markets over a region. ISO boundaries influence queue process, market prices, transmission planning, and available public data.
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Modified gross lease splits expense responsibility between landlord and tenant according to negotiated terms. It is less standardized than NNN or full-service gross structures, so definitions and exclusions matter.
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