The California ISO has updated the ISO Production Maintenance and Outages Schedule, available on the ISO website at http://www.caiso.com/participate/Pages/ApplicationAccess/Default.aspx, to reflect maintenance scheduled for multiple applications on April 16 and April 23, 2019.
Please check the schedule for specific times, notes and any additional changes that may impact your systems.
For issues experienced outside of the maintenance window, please contact the ISO Service Desk at 916-351-2309 or 888-889-0450.