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Markets & Operations

LMP Model Information

Fixed Weighted Average Aggregate Definitions
IMO Interface Definition Factors PDF
 11.30.2020
Locational Marginal Pricing Model XLS
 12.9.2020
Aggregate Definitions XLS
 12.8.2020
Hub Definitions XLS
 12.8.2020
Balanced Operating Reserve Hubs Zones Interface Aggregates XLS
12.8.2020

Bus Model Updates
2020: December 9 | September 16 | May 28  | March 11 XLS 
2008 - 2019 ZIP

American Electric Power (AEP) Modification of Settlement Area Definition for Network Load
Effective June 1, 2015
Residual Metered Load LMPs XLS
6.10.2015
Pricing Nodes in AEP Zone XLS
5.27.2015
Certification Commitment PDF
12.1.2014
Frequently Asked Questions PDF
12.1.2014
Notice of Intention to Change Existing Load Zone Energy Settlement Area PDF
10.1.2014








Contingencies

The Contingency List as of 12.10.2020 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.

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