Operational use of contingency analysis at PJM

Evaluating the impact of unplanned outages is a key aspect of real-time operations at PJM. Contingency evaluation impacts the decisions of the various application users. Transmission Dispatchers, Generation Dispatchers and Operations Planners evaluate contingencies that affect their decisions regarding transmission system reliability and markets. This paper presents various aspects of the contingency usage at PJM including the applications that utilize contingency lists, modeling of contingencies and monitoring of contingency results.