← All glossary terms

Utility Rates, Grid, and Markets

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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Cost allocation

Cost allocation determines who pays for study costs, network upgrades, interconnection facilities, or system reinforcements. For large-load users, the allocation method can make two otherwise similar sites very different financially.

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Marginal emissions

Marginal emissions estimate the emissions from the generating resource that changes output because of an incremental change in load. It is useful for operational carbon decisions but more complex than average regional emissions factors.

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Suite

Suite is a dedicated private area within a data center, often larger and more customized than a cage. Wholesale customers may lease suites when they need dedicated power, cooling, security, and operations arrangements.

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