PJM will be performing maintenance on Tuesday, October 22 at 7:00 p.m. EPT to Wednesday, October 23 at 1:00 a.m. EPT (1900 - 0100 hours). This will cause a brief outage to Data Viewer and PJM.com, including the Operational Data page, PJM Now, and Data Snapshot. If you have any questions regarding this communication, please contact PJM’s Member Relations or 610-666-8980.