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A NERC procedure that allows reliability coordinators to curtail transactions (among other actions) to mitigate potential or actual operating security limit violations while respecting transmission service reservation priorities.
- Browse Related Terms: Capacity margin, congestion, Critical notices, Curtailable load, First Contingency Reliability Criteria, Independent system operator (ISO), Interruptible or nonfirm transportation, Intertie, Load-serving entity (LSE), Loop flow, Marginal electric generating unit, Native load, Operating reserves, Outage, Regional Transmission Organization (RTO), Transmission loading relief (TLR)