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Operational Planning

Operational Planning. Jason Smith. Operational Planning. Goals What Ops Planning is What Ops Planning is not What rules we operate under Limitations How Wind is incorporated in the plan. Operational Planning. What it is: Next-to-last line of defense Keep the lights on

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Operational Planning

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  1. Operational Planning Jason Smith

  2. Operational Planning • Goals • What Ops Planning is • What Ops Planning is not • What rules we operate under • Limitations • How Wind is incorporated in the plan

  3. Operational Planning • What it is: • Next-to-last line of defense • Keep the lights on • Last-chance outage coordination/review • 60-100 unique transmission outages every given day • Meets NERC requirement for coordination between RC, TOPs, and BAs

  4. Current/Next Day Studies • Monday-Friday process with on-call weekend support and re-study as necessary • Collect forecasts for the time periods (current and next day) • Load • Outages (gen and trans) • Interchange • Wind Forecast • Gen Dispatch

  5. Current/Next Day Studies • Cases are built, then contingency analysis performed • Constraints identified – new Temp flowgates created as necessary • Outage schedules adjusted as needed • Operating Guides developed that have not been identified already • Ideally, curtailments found to be necessary on “non-available” resources are identified and coordinated at least day-ahead

  6. Operational Planning • What we can’t do: • Commit/decommit generation to avoid a curtailment unless reliability dictates such (IM changes this) • Deny outages to avoid a curtailment/re-dispatch unless reliability dictates such (voltage, capacity shortages, etc.) • Deny or reschedule outages to a more opportune, “economic” time • Guarantee that a previously approved outage will still be feasible at the start time

  7. Operational Planning • Governance • NERC Standards TOP-003, IRO-005, IRO-008 • SPP Criteria Section 5 – RC and member responsibilities • Appendix 7 – Data submission requirements • Appendix 12 – CROW Outage Submission Methodology • SPP Operating Reliability Working Group

  8. Limitations • We don’t know what we don’t know • Load forecast beyond 7 days is generally a guess • Generation commitment is a guess (today) • No economic impact of outages is studied • i.e.: Possible to redispatch and maintain reliability but at enormous cost • “Early” approvals • Attempt to balance need for providing early approvals to submitters without later causing a real-time reliability concern

  9. Wind Forecast in Ops Planning (cont.) • Short-lead outages reviewed, taking wind forecast into account • Due to the non-dispatchable nature, precautions must be taken to avoid errors • Op Guides stating the necessity of a limitation/ curtailment are required for wind resources – independent of forecast production

  10. Questions

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