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October 2014

October 2014. Debbie Cooke. DEMAND RESOURCE ADMINISTRATION. Additional Information. Demand Response Scheduled & Forced Curtailments. Background. Enhancements to the DR baseline calculations became effective June 1, 2014

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October 2014

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  1. October 2014 Debbie Cooke DEMAND RESOURCE ADMINISTRATION Additional Information Demand Response Scheduled & Forced Curtailments

  2. Background • Enhancements to the DR baseline calculations became effective June 1, 2014 • Effective June 1, 2014, Real-Time Demand Response and Real-Time Emergency Generation assets submit scheduled and forced curtailments to ISO New England • DR assets can preserve their baseline by submitting unadjusted baseline values during intervals of a forced or scheduled curtailment • At the July DRWG, guidelines for submitting/modifying/cancelling curtailment requests were presented

  3. Process Pre-Curtailment (Scheduled) Post-Curtailment (Scheduled and Forced) Post-Curtailment (Forced)

  4. Review Modification and Cancellation Guidelines • Scheduled curtailments only • Forced curtailments are submitted after the fact, so modifications/cancellations are unnecessary • Modification: A later curtailment start date (same end date) or earlier end date (same start date) • A change that results in a totally different date range will be treated as a cancellation and a new curtailment request • Cancellation: Entire curtailment changed or removed • Submitted through a service note • Notification should be prior to start date of scheduled curtailment • ISO plans to update M-MVDR to reflect these guidelines

  5. Resource Availability During Curtailments • Resource availability during the curtailment must be updated • DRMUI, Navigation > Hourly Resource Availability • Should reflect curtailment(s) of the asset(s) mapped to the Demand Resource

  6. Resource Availability – Simple Example Normal Operations A1 Curtailment A1 0.625 A1 0.625 X Total Availability = 2.250 MW Total Availability = 1.625 MW A2 1.000 A2 1.000 Resource Resource A3 0.500 A3 0.500 Availability of A1 is not included A4 0.125 A4 0.125

  7. Submitting Unadjusted Baseline Values • Submit Unadjusted Baseline (UBL) values calculated for the first day of the forced or scheduled curtailment for all intervals during the curtailment unless: • there’s a dispatch pursuant to MR-1, III.13 (OP-4 or audit), or • the asset had cleared day-ahead or become eligible in real-time pursuant to MR-1, Appendix E1 on a day with an unanticipated forced curtailment • Submit actual meter data during those intervals • For both scheduled and forced outages, ISO will review data during the data reconciliation window (“resettlement”) • Approximately one week prior to close of data resubmittal window, reminder email will be sent to Lead Participants with asset curtailments during the month

  8. Submitting Unadjusted Baseline ValuesTiming Considerations • Meter Data resubmittals for days prior to the curtailment may impact the unadjusted baseline calculated for the first day of the curtailment • Meter data corrections for days prior to the curtailment must be submitted on an earlier day than meter data corrections for days of the curtailment • This will allow the baseline sequence to run and ensure the unadjusted baseline value submitted as meter data during the curtailment reflects all earlier data corrections

  9. Submitting Unadjusted Baseline ValuesTiming Example • Curtailment period: July 15 – July 17 • Data reconciliation period for July 2014 is August 12 – October 9

  10. Recap – Scheduled CurtailmentsMarket Participant Responsibilities MR-1, III.8A.5; App. E1

  11. Recap – Forced CurtailmentsMarket Participant Responsibilities MR-1, III.8A.5; App. E1

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