Jul 6, 2026
SPPInterconnection reform
SPP High Impact Large Load / Conditional High Impact Large Load Service
SPP compliance filing, ER26-1323-002
ISO/RTO
SPP
Posture Open · Scorecard SPP B+
High Impact Large Load path in place; queues lighter than the eastern RTOs.
Posture updated Aug 17, 2026 · Watcher Aug 24, 2026, 3:31 AM UTC
SPP large-load grade B+ →Instruments