PJM will be performing system maintenance on Tuesday, March 19from 3:00 to 5:00 p.m. EPT. During this time, there will be stale data for the following pages and tools: Operational Data page, Markets & Operations page, Interregional map, LMP map, PJM Now, Data Viewer, eDataFeed and Data Snapshot.  To view more detail on the outage, visit the Upcoming Changes page.