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ROS Report to TAC

ROS Report to TAC. October 5, 2007. Outline. General Items Nodal Operating Guides OGRR192 Document control issues Proposed revisions to Texas Nodal Telemetry Criteria and State Estimator Performance Stanadards. General Items.

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ROS Report to TAC

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  1. ROS Report to TAC October 5, 2007

  2. Outline • General Items • Nodal Operating Guides • OGRR192 • Document control issues • Proposed revisions to Texas Nodal Telemetry Criteria and State Estimator Performance Stanadards

  3. General Items • OGR 198 – Setup work group to address comments concerning shedding firm load via SCADA • Work group will address PUCT request to review load shedding procedures • Wind Survey Results – still awaiting responses • NERC will provide interpretation of standards

  4. Nodal Operating Guides • NOGRR001, Nodal Operating Guides – Section 1, Overview (Vote) • NOGRR002, Nodal Operating Guides – Section 2, System Operations and Control Requirements - Remand back to ROS to address ERCOT Staff comments (Vote) • NOGRR003, Nodal Operating Guides – Section 3, Resource Testing and Qualification Procedures (Vote) • NOGRR004, Nodal Operating Guides – Section 4, Emergency Operation (Vote) • NOGRR005, Nodal Operating Guides – Section 5, Planning (Vote) • NOGRR006, Nodal Operating Guides – Section 6, Disturbance Monitoring and System Protection (Vote) • NOGRR007, Nodal Operating Guides – Section 7, Telemetry and Communication Vote)

  5. Nodal Operating Guides • NOGRR008, Nodal Operating Guides – Section 8, Attachment A, Detailed Black Start Information (Vote) • NOGRR009, Section 8, Attachment B, Relay Misoperation Report (Vote) • NOGRR010, Section 8, Attachment C, Turbine Governor Speed Tests (Vote) • NOGRR011, Section 8, Attachment D, Seasonal Unit Net Real Power Capability Verification (Vote) • NOGRR012, Section 8, Attachment E, Biennial Unit Reactive Limits (Lead and Lag) Verification (Vote) • NOGRR013, Section 8, Attachment F, Seasonal Hydro Responsive Reserve Net Capability Verification (Vote) • NOGRR014, Section 8, Attachment G, Load Resource Tests (Vote) • NOGRR015, Section 8, Attachment H, Unit Alternative Fuel Capability (Vote)

  6. Nodal Operating Guides • Notice of NOGRR Rejections: • NOGRR016, Section 8, Attachment I, Security, Facilities, and Connectivity of WAN Systems • NOGRR017, Section 8, Attachment J, ERCOT Data Sets • Request that proposed changes to NOGRRs and NPRRS that deviate from current operating practices be remanded to ROS

  7. Operating Guide • OGRR192, Combustion Turbine Governor Performance Test Forms (Vote)

  8. Issues With Document Control • Criteria, Handbooks, Standards (Not NERC or TRE Standards), Work Papers etc. • Quasi Requirements • Consequences for not meeting? • Who is monitoring compliance? • No defined owner for documents • No control process for updating document • Undefined voting structures • Potential for conflicting information • Duplication of effort

  9. Document Change Timeline • September 10, 2007 – ERCOT staff submitted changes to existing Texas Nodal Telemetry Criteria and State Estimator Standards for comment • September 17, 2007 - ROS hosted workshop • September 24, 2007 - NDSWG hosted workshop • October 1, 2007 - ROS hosted workshop • October 4, 2007 - ROS approved Telemetry Criteria via E-Mail

  10. Texas Nodal Market State Estimator Standards • Postponed vote due to potential duplication or conflict with Nodal Protocols

  11. Texas Nodal Market Telemetry Criteria • ROS voted by E-Mail to approve Texas Nodal Market Telemetry Criteria • Affirmative 13 (70% weighted) • Negative 3 (30% weighted) • Abstain – 1 • Dissenting comments concerning performance metrics and response times • ROS setting up process to monitor and update metrics

  12. Texas Nodal Market Telemetry Criteria • Section B Requirements: • R6, Minimum Telemetry Criteria (Vote) • R7, Telemetry Availability (Vote) • R9, Critically Important Telemetry (Vote) • R10, Availability for Critically Important Telemetry (Vote) • R13, Requests for Additional Telemetry (Vote)

  13. Questions?

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