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Markets & Operations

LMP Model Information


The Contingency List as of 5.28.2020  HTM |  XML contains a list of all contingencies used in the Energy Management System (EMS), Financial Transmission Rights, Day-Ahead and Real-Time Energy Markets. Not all contingencies are enabled in the PJM systems at all times.

Following the fall model build tentatively scheduled for September 15th, 2020 the above contingency list format HTM will be changed to XML. Please update any processes with the appropriate changes to accommodate this change. For transition purpose, both formats are posted till September 15th, 2020. For more information, please refer to the slides presented at the April Tech Change Forum.

The historical enabled Contingency List as of December 1, 2018 TXT contains a list of historical contingencies modeled in the FTR and Day-Ahead Markets.

The beginning of each contingency is noted by a sequence number in the left column. Following the sequence number is the name of the contingency. Each line below the contingency contains the piece of equipment and the action to take.

"Loss Of" lines contain: Station Name, Action Taken, Equipment Name, Voltage Name and optionally, the type of equipment in that order.

Key for Action Taken Values

CL Close the Circuit Breaker or Disconnect
CP Loss of the Capacitor
L Loss of the Line
LD Loss of the Load
OP Open the Circuit Breaker or Disconnect
P Loss of a Phase Shifter
S Loss of a Series Device
U Loss of the Unit
UD Unit Decrease
UI  Unit Increase 
X Loss of the Transformer