Definition
A physical limitation on the amount of power that can flow over a transmission line, interface, or through a substation due to thermal, voltage, or stability limits. When a constraint is binding, it prevents economically optimal dispatch of generation and may result in LMP differences (congestion costs) between the load and generation sides of the constrained element.
Topic Deck
Transfer Capability & ATC
Source
FERC Pro Forma OATT / LGIP
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