Resolving SCADA and Voltage Control Issues in System Operations
Addressing unresolved SCADA and voltage control issues in the ERCOT system, emphasizing prompt resolution to enhance situational awareness and compliance with regulations. Market participants must proactively monitor and fix issues to avoid potential PUC enforcement actions.
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OWG SCADA and Voltage Control Issues Stephen Solis Principal, System Operations Improvement January 19th, 2023
SCADA Issues ERCOT is going to begin escalating to the PUCT Enforcement department unresolved SCADA issues that have not been resolved in a reasonable amount of time. ERCOT expects that most issues reported by control room are corrected within the operating day. This includes SCADA issues that are not contributing to State Estimator failures but add to lower levels of Situational Awareness for Real-time monitoring. Issues not corrected within the operating day should be addressed as soon as practicable in accordance with NOG Section 7.3. ERCOT will be tracking SCADA issues that have been reported to Market Participants via email. Entities should be proactively monitoring and fixing SCADA issues in general. If an entity is notified of a SCADA issue via email, and it cannot be immediately fixed, the entity should identify the resolution to the issue and the expected date it will be addressed. If they have not been addressed within 30 days of an email notification, they will be reported to the ERCOT Reliability Monitor for potential PUC enforcement. 2 PUBLIC
Voltage Control Issues ERCOT is going to begin escalating to the PUCT Enforcement department Resources that are not meeting the voltage control requirements. Generation Resources and Energy Storage Resources must control voltage within the tolerance bands identified in NOG Section 2.7.3.5. ERCOT will be running a monthly report that identifies units and will apply a filter TBD for the performance indicating non-compliance with the rules. Entities should be proactively monitoring and fixing voltage control issues in general. If an entity is notified of a voltage control issue via email, and it cannot be immediately fixed, the entity should identify the resolution to the issue and the expected date it will be addressed. If they have not been addressed within 30 days of an email notification, they will be reported to the ERCOT Reliability Monitor for potential PUC enforcement. If mitigation actions are identified but need additional time to implement (e.g. equipment modifications, replacements, additions), then the mitigation actions will be reported to the ERCOT Reliability Monitor as well and included in any communications to PUC enforcement. 3 PUBLIC
Questions? PUBLIC
