Maintenance Scheduled for California ISO Websites and Reporting Services

The California ISO will perform monthly scheduled maintenance on June 17, 2025, from 7 p.m. - 10:30 p.m. Pacific Time on its websites and reporting services. The websites include Business Practice Manual (BPM) Change Management System, Developer Portal, Market Participant Portal (MPP), RC West Portal, Western Energy Imbalance Market website, Western EIM Portal, ISO Today (mobile app), and the Stakeholder Center. The reporting services include Credit Management reports, MasterFile reports, Resource Interconnection Management System (RIMS) reports, Scheduling Infrastructure Business Rules (SIBR) reports, and Transmission Register (TR). These sites and reports may be temporarily unavailable during the maintenance window. See the most up-to-date ISO Production Maintenance and Outages Schedule for more details.