Markets & Operations

LMP Model Information

Posting Date
Aggregate Definitions for LMPs (XLS)
3.10.2015
Hub Definitions for LMPs (XLS)
3.10.2015
New External Interface Price Definitions (XLS)
12.17.2014
Tennessee Valley Authority Generator Nodes (CSV)
7.30.2013
Interface Definition Methodology (PDF)
9.29.2006
Delay in Posting Real-Time Prices (PDF)
6.22.2005

Contingencies

           

The Contingency List as of March 11, 2015 (TXT) 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 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.

From the link below you may download a list of all contingencies used by PJM in the EMS, FTR, Day-Ahead and Energy Markets. Not all contingencies are enabled in the PJM systems at all times.

Key for Action Taken Values

L Loss of the Line    OP Open the Circuit Breaker or Disconnect
U Loss of the Unit    CL Close the Circuit Breaker or Disconnect
LD Loss of the Load    S Loss of a Series Device
CP Loss of the Capacitor    P Loss of a Phase Shifter
X Loss of the Transformer      
   
LMP Bus Model 
Pnode by State

American Electric Power (AEP) Modification of Settlement Area Definition for Network Load

Effective June 1, 2015

Posting Date
AEP Informational Only Residual Metered Load LMPs (XLS)
3.9.2015
Pricing Nodes in AEP Zone (XLS) | Certification Committment (PDF)
12.1.2014
Frequently Asked Questions (PDF)
12.1.2014
Notice of AEP's intention to Change Existing Load Zone Energy Settlement Area (PDF)
10.1.2014