PJM has scheduled system maintenance on Monday, April 22 from 3:00 – 5:00 p.m. EPT (1500 - 1700 hours). This maintenance will cause stale data for LMP postings on eDatafeed, Data Viewer, PJM.com, including the Operational Data page, PJM Now and Data Snapshot. To view more detail on the outage, visit the Upcoming Changes page.