DOE DC2026-01-0003: Amendments to WESM Dispatch Protocol for Schedules Below Pmin
DOE issued amendments to the WESM Dispatch Protocol Manual clarifying generator compliance requirements for dispatch schedules below minimum stable load, enhancing operational consistency and transparency in real-time market operations.
2/6/20262 min read
SUMMARY
WHAT IT IS
This Circular adopts amendments to the WESM Market Manual on Dispatch Protocol, specifically addressing the issuance and coverage of dispatch schedules for generating units below their minimum stable load (Pmin).
WESM Trading Participants
System Operator
Generation Plants
WHO IS AFFECTED
KEY DEADLINES
Takes effect fifteen (15) days after publication in at least two newspapers of general circulation.
TAKEAWAY
Trading Participants should review and update their compliance procedures and market offers in line with the new dispatch protocol requirements.
KEY POINTS
Scope: Amends the WESM Market Manual on Dispatch Protocol, specifically regarding dispatch schedules below minimum stable load (Pmin).
Covered entities: Applies to generating units and Trading Participants operating within the WESM.
Requirement: Generating units with a real-time dispatch schedule below Pmin must, if in service, operate at Pmin for the next dispatch interval; if offline, remain offline for that interval.
Exception: Units scheduled for start-up or shutdown must follow their start-up/shutdown profile as per Section 13 of the Manual.
Compliance obligation: Trading Participants must follow re-dispatch instructions from the System Operator as per Section 11.6.
Notification: Upon publication of the real-time dispatch schedule in the Market Participants Interface (MPI), Trading Participants must inform the System Operator of their intended action for the relevant dispatch interval.
Market offer update: Trading Participants are required to update market offers for subsequent intervals to prevent recurrence of dispatch below Pmin.
Threshold: Addresses compliance for dispatch schedules specifically below the minimum stable load (Pmin).
Mechanism amended: Introduces Section 11.4.4 on generator dispatch compliance for schedules below Pmin and clarifies procedures for notification and compliance.
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DOE Department Circular No. DC2026-01-0003
Detailed policy analysis
Operational and compliance implications
Stakeholder impact assessment
Risk flags and ambiguities
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PREMIUM REGULATORY ANALYSIS
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Tags: WESM, Dispatch Protocol, Minimum Stable Load, Generator Compliance, Market Offer Update, System Operator Notification