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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UPS
Uninterruptible Power Supply provides short-duration power conditioning and ride-through between utility events and generator availability. UPS topology, battery chemistry, runtime, efficiency, redundancy, and maintenance are central to data center reliability.
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Current
Current, measured in amperes, is the flow of electric charge. For a given kW, lower voltage generally requires higher current, which drives conductor, breaker, switchgear, and heat-management requirements.
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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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