Thermal Limit Operation Criteria

Techniques to control contingency or system violations.

Definition by PJM

Source: ¹ (p29, Revision 67)

PJM uses the following techniques to control contingency or system violations:

• Adjusting PARs.
• Switching reactive devices in/out of service or adjusting generator MVAR output.
• Switching transmission facilities in/out of service.
• Adjusting generation MW output via redispatch.
• Adjusting imports/exports.
• Issuing a TLR (Transmission Loading Relief).

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Last modified: 2025-06-22

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1. PJM (2024). Manuals M-3: Transmission Operations (Revision 67). https://www.pjm.com/-/media/DotCom/documents/manuals/archive/m03/m03v67-transmission-operations-11-21-2024.pdf ↩