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Simplifying Capacity Import Transactions and Removing Outdated Tariff Provisions

ISO is proposing modifications to simplify the requirements for capacity import transactions and remove outdated tariff provisions. These updates align with Pay for Performance rules and the technical project to replace the Enhanced Energy Scheduling application.

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Simplifying Capacity Import Transactions and Removing Outdated Tariff Provisions

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  1. June 10-12, 2019 | Markets committee Matt Brewster (413) 540 – 4547mbrewster@iso-ne.com Simplifying the requirements for capacity import transactions (energy), and clean-ups to removeoutdated tariff provisions Import Resource Transaction Requirements and Clean Up

  2. * https://www.iso-ne.com/participate/support/customer-readiness-outlook/ees-technical-architecture-project • The ISO is proposing modifications to the external transaction submittal requirements for Import Capacity Resources that will simplify the requirements and better align with the Pay for Performance (PfP) rules • These updates are motivated by the technical project to replace the Enhanced Energy Scheduling (EES) application • The “Update EES Technical Architecture Project”* • Target launch date: October 23, 2019 • The proposal also includes removal of other outdated tariff provisions and clean-ups of related provisions

  3. Topics for today * https://www.iso-ne.com/static-assets/documents/2019/05/a7_presentation_import_resource_transaction_requirements_and_cleanup.pptx • Review of the proposed modifications • Presented at the May 2019 MC * • Governing document revisions • Market Rule 1 • Manual 11 (Market Operations) • OP 9 (Scheduling and Dispatch of External Transactions)

  4. Proposal Review Streamlining external transaction submittal requirements for capacity imports, and clean-ups of outdated Tariff provisions

  5. Streamlining the external transaction submittal requirements for capacity import resources • These changes will update or remove requirements that are no longer necessary under the PfP rules • Also, they will provide additional flexibility to participants • Four proposed modifications: • The day-ahead and real-time energy offers will no longer have to be submitted with the same transaction • A day-ahead transaction will not be required when the interface’s import transfer capability is zero • Real-time transactions will no longer be required for capacity that wheels through the NYISO to a CTS interface • All capacity imports backed by an external resource will have the same requirements pertaining to resource outages (i.e., to notify ISO-NE of outages and comply with the requirements of the native control area).

  6. Clean-ups to remove outdated Tariff provisions • The Coordinated Transaction Scheduling (CTS) two-year evaluation provisions were performed and are now expired • The entirety of MR1 Section III.1.10.7.B can be removed • The placeholder provisions describing “dynamic scheduling” of resources (i.e., inter-area dispatch control) lack sufficient detail about the design or operation of the construct and the ISO has no supporting implementation • A request for this capability would require ISO-NE and the neighbor control area to develop the design, market rules, operating protocols, and implementation; however, these placeholder rules have caused misperceptions that the construct could be readily implemented • MR1 Section III.1.12 establishes the concept, but certain references also appear in Sections III.1.10 and III.3.2

  7. Governing Document Revisions Overview of revisions to Market Rule 1, Manual 11, and Operating Procedure No. 9

  8. Governing document revisionsMarket Rule 1 Section III.1

  9. Governing document revisionsMarket Rule 1 Section III.1 (cont.)

  10. Governing document revisionsMarket Rule 1 Section III.1 (cont.)

  11. Governing document revisionsMarket Rule 1 Section III.3

  12. Governing document revisionsMarket Rule 1 Section III.13

  13. Governing document revisionsManual 11

  14. Governing document revisionsOperating Procedure No. 9

  15. Summary and Next Steps Recap of material and committee schedule

  16. Summary The modified external transaction submittal requirements for capacity imports will streamline the participant’s obligations and better align with the PfPrules The outdated CTS evaluation provisions and dynamic scheduling provisions will be removed ISO is planning an October 23, 2019, effective date to align with the EES replacement project schedule

  17. Committee schedule

  18. Appendix Proposal detail slides from the May 7-8, 2019, MC meeting

  19. Modification AThe day-ahead and real-time offers no longer have to be submitted with the same transaction • Currently: capacity import transactions must have matching day-ahead (DA) and real-time (RT) energy profiles on the same transaction and, by extension, all RT offers are due by the DA offer deadline • Proposed: suppliers can use any combination of allowed transactions to meet their DA and RT offer obligation • Capacity imports will be subject to the same deadlines and submittal requirements as all other (i.e., energy-only) transactions • The current requirement arose from failure-to-offer/deliver • This affects only capacity imports at non-CTS interfaces • RT offers are not required for capacity imports at CTS interfaces

  20. Modification BA day-ahead transaction will not be required when the interface’s import transfer capability is zero • Currently: suppliers must provide day-ahead imports for the resource’s CSO regardless of an interface outage • The offer has financial risk since it may clear against offsetting bids at the interface in the day-ahead market • The transaction is irrelevant to the ISO’s operating plan if the TTC is zero • Proposed: the day-aheadoffer requirement will not apply when the interface’s import TTC is zero • The real-time offer requirement at non-CTS interfaces will continue to apply regardless of an interface outage • The associated financial risks do not exist in real-time scheduling and the TTC rating may be restored during real-time • This change relates to removing the “matching” requirement (prior) • This affects capacity imports at all interfaces

  21. Modification CReal-time transactions will no longer be required for capacity wheeling thru NYISO to CTS interfaces • Currently: suppliers with capacity imports at CTS interfaces that wheel through NYISO have to provide ISO-NE a real-time transaction associated with the wheel • NYISO controls the scheduling of the wheel through its control area and provides ISO-NE with the schedule data for market settlements • The transaction provided to ISO-NE is not necessary for scheduling • Proposed: submittal of the real-time transaction to ISO-NE will not be required • NYISO will continue to schedule the wheel and provide ISO-NE with the transaction schedule data necessary for market settlements • The current requirement arose from failure-to-offer/deliver • This affects only wheeled capacity imports at CTS locations

  22. Modification DAll imports backed by an external generator will have the same outage notification requirements • Currently: The ISO-NE outage scheduling procedures apply to external resources backing capacity imports • Except New York resources backing capacity imports at CTS interfaces which comply with NYISO procedures and notify ISO-NE of outages • Proposed: all capacity imports backed by external resources will only have to comply with the procedures of their native control area and notify ISO-NE of outages affecting the CSO • i.e., the same as the current requirements for NY resources (above) • The current requirement related to the pre-PFP “availability score” framework which considered planned outages • This (potentially) affects capacity imports at all interfaces

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