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Allocation of Default Uplift

Allocation of Default Uplift. ERCOT Mandy Bauld. Counterparty Max Activity & Amounts for Feb2011 Default. CP = Counter-Party MMA = Maximum MWh Activity. Appendix. Default Uplift Allocation - Overview. Refer to Protocol Section 9.19.1, Default Uplift Invoices

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Allocation of Default Uplift

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  1. Allocation of Default Uplift ERCOT Mandy Bauld WMS

  2. Counterparty Max Activity & Amounts for Feb2011 Default CP = Counter-Party MMA = Maximum MWh Activity

  3. Appendix

  4. Default Uplift Allocation - Overview • Refer to Protocol Section 9.19.1, Default Uplift Invoices • NPRR 221 changed how defaults are uplifted to the market • “RTM Uplift Invoice” changed to “Default Uplift Invoice” • Uplifts both DAM and RTM short-pays • Allocates the default to all Counterparties, not just QSEs with Load • Allocation Methodology • Use True-Up data from the month PRIOR to the default month • For each Counterparty determine its “maximum MWh activity ratio share” (MMARS) • Allocate the default to each counterparty according to its MMARS • The maximum MWh activity ratio share is determined using the most recent DAM and CRR Auction data, and RTM True-Up data for the month prior to the default • Further allocate the default to QSEs or CRRAHs under the counterparty according to their pro-rata share of the MWhs that contributed to the MMARS (necessary because ERCOT only settles with QSEs / CRRAHs)

  5. Default Uplift Allocation – Formula (9.19.1 (2)) (2) Each Counter-Party’s share of the uplift is calculated using True-Up Settlement data for each Operating Day in the month prior to the month in which the default occurred, and is calculated as follows: DURSCP cp =TSPA * MMARS cp Where: MMARS cp = MMA cp / MMATOT MMA cp = Max { ∑mp (URTMG mp+ URTDCIMP mp),  RTM Metered Generation and DC Tie Imports ∑mp URTAML mp,  RTM Adjusted Metered Load ∑mpURTQQES mp,  RTM QSE to QSE Energy Sales ∑mp URTQQEP mp,  RTM QSE to QSE Energy Purchases ∑mp UDAES mp,  DAM Energy Sales (TPO and Energy-Only) ∑mp UDAEP mp,  DAM Energy Purchases ∑mp URTOBL mp,  RTM PTP Obligations ∑mp (UDAOPT mp+ UDAOBL mp+UOPTS mp+UOBLS mp), CRR Auction Sales & CRR Ownership in DAM ∑mp (UOPTP mp+ UOBLP mp)}  CRR Auction Purchases MMATOT = ∑cp (MMA cp) Where: URTMG mp = ∑p, r, i (RTMG mp, p, r, i), excluding RTMG for RMR Resources and RTMG in Reliability Unit Commitment (RUC)-Committed Intervals for RUC-committed Resources URTDCIMP mp = ∑p, i (RTDCIMP mp, p, i) / 4 URTAML mp = ∑p, i (RTAML mp, p, i) URTQQES mp = ∑p, i (RTQQES mp, p, i) / 4 URTQQEP mp = ∑p, i (RTQQEP mp, p, i) / 4 UDAES mp = ∑p, h (DAES mp, p, h) UDAEP mp = ∑p, h (DAEP mp, p, h) URTOBL mp = ∑(j, k), h (RTOBLmp, (j, k), h) UDAOPT mp = ∑(j, k), h (DAOPTmp, (j, k), h) UDAOBL mp = ∑(j, k), h (DAOBLmp, (j, k), h) UOPTS mp = ∑(j, k), h (OPTSmp, (j, k), h) UOBLS mp = ∑(j, k), h(OBLSmp, (j, k), h) UOPTP mp = ∑(j, k), h (OPTPmp, j, h) UOBLP mp = ∑(j, k), h (OBLPmp, (j, k), h)

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