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      • Markets and Operations
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      Real-Time (RT) Net Commitment-Period Compensation (NCPC)

      IN THIS SECTION

      • Understanding the Bill
      • Billable Line-Item Descriptions
      • MIS Report Descriptions, Templates, and Samples
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      Real-Time NCPC

      What Is Real-Time NCPC?

      Net Commitment-Period Compensation (NCPC) is the payment to a generator, demand-response resource (DRR), or dispatchable-asset-related demand (DARD) that did not recover its effective offer from the energy market during an operating day. The real-time NCPC payment is intended to make a generator, DRR, or DARD that follows the 快活app官网’s operating instructions “no worse off” financially than the best alternative schedule. Typically, a resource receiving NCPC was operated out of merit to protect the overall resource adequacy and transmission security of specific locations or of the entire balancing authority area.

      Special Case Real-Time NCPC

      External Transaction—External transactions scheduled in the Real-Time Energy Market are eligible for NCPC evaluation. External transactions also scheduled in the Day-Ahead Energy Market are included in this evaluation if the transaction price was revised in real-time or if the real-time schedule is greater than the day-ahead cleared quantity. Coordinated external transactions (CETs) are not eligible for NCPC credit.

      Cancelled Start—Payments for cancelled starts are evaluated for generators and DRRs that the 快活app官网 scheduled to run in real-time and then cancelled before the requested commitment time.

      Hourly Shortfall—Payments for hourly shortfalls are evaluated when a generator, DRR, or DARD pool-scheduled in the Day-Ahead Energy Market has its commitment cancelled in real-time or is not dispatched and the resource is off line and available for operation.

      Generator Posturing—Payments for generator posturing are evaluated for generators that respond to the 快活app官网’s request to reduce or suspend normal economic operation.

      DARD Posturing—Payments for DARD posturing are evaluated for DARD resources that increase consumption in response to the 快活app官网’s request.

      Dispatch Lost-Opportunity Cost (DLOC)—Payments for dispatch lost-opportunity costs are evaluated when a generator, DRR, or DARD is dispatched in real time below its economic dispatch point.

      Rapid-Response Pricing-Opportunity Cost (RRPOC)—Payments for rapid-response pricing-opportunity costs are evaluated for generators, DRRs, or DARD that postured down when a rapid response resource sets the price.

      What Document(s) Contain Details about the Real-Time NCPC Market?

      Primary provisions for the settlement of real-time NCPC are included in Market Rule 1, Appendix F and Open Access Transmission Tariff, Schedule 2.

      Who Incurs a Real-Time NCPC Credit or Charge?

      Credits

      Market participants with an ownership share in a generator, DRR, DARD, or external transaction are paid a real-time NCPC credit.

      Charges

      Charges for real-time NCPC are based on NCPC categories, as follows, determined by the reason for the resource commitment:

      Note: CETs are not eligible for NCPC credits or charges.

      Economic NCPC

      The allocation of market participant charges is based on real-time deviations.

      Local Second-Contingency Protection Resource (LSCPR) NCPC

      The allocation of market participant charges is based on real-time load obligation for the applicable reliability region.

      VAR NCPC

      The allocation of market participant charges is based on network load and OASIS reservations.

      Regional High Voltage VAR

      Market participant charges are allocated pro rata to market participants on the basis of network load for the applicable reliability region.

      Special Constraint Resource NCPC

      Charges are allocated to market participants requesting the commitment or dispatch of the generator or DRR.

      Generator Performance Audit NCPC

      The allocation of charges to market participants is based on real-time load obligation, excluding real-time load obligation associated with DARD.

      Posturing NCPC

      The allocation of charges to market participants is based on real-time load obligation, excluding real-time load obligation associated with DARD.

      Minimum Generation Emergency

      The allocation of charges to market participants is based on real-time generation obligation and demand-reduction obligation, excluding real-time generation and demand reduction that receives NCPC credit for Minimum Generation Emergency dispatch.

      Dispatch Lost-Opportunity Cost NCPC

      The allocation of charges to market participants is based on real-time load obligation, excluding real-time load obligation associated with DARD.

      Rapid-Response Pricing-Opportunity Cost NCPC

      The allocation of charges to market participants is based on real-time load obligation, excluding real-time load obligation associated with DARD.

      Related Billing Adjustments

      N/A

      Related Standard Settlements

      SS_NCPCDFA—Summary of a Participant’s hourly calculation of a generator’s real-time NCPC credit adjustment for a dual fuel audit that was performed during a day-ahead cleared commitment or summary of a participant’s allocation of the daily charge, issued upon settlement of market day.

      Bill Detail

      • The hourly services bill contains a single line item netting charges and credits entitled “Real-Time NCPC.” Economic, LSCPR, special-constraint resource, Minimum Generation Emergency, generator performance audit, generator posturing, DARD posturing, DLOC, and RRPOC charges and credits are included in the hourly services bill.
      • The monthly bill contains a single line item netting charges and credits on a market participant’s bill entitled “OATT Schedule 2 VAR.” This line item includes VAR NCPC and regional high-voltage VAR NCPC charges and credits, as well as charges and credits associated with other VAR service as described in OATT-Schedule 2 VAR.

      Other

      For information on bid-block or bid-slope supply offer methods for the NCPC calculations, please see the FAQs.

      Reports

      Daily Financial Position Report

      BL_DAILYPOSITION—Daily financial position, including all market service settlements and miscellaneous billing adjustments, generated daily and issued to all active customers

      Real-Time NCPC Payment Reports

      SD_RTNCPCPYMTHR—Hourly detail of a participant’s generator NCPC credits, issued upon settlement of the market day, including a summary of payments by settlement period, start-up amortization determination, a summary of NCPC commitment and NCPC dispatch credits by hour and credit type for generators, and hourly detail on external transaction NCPC credits

      SD_RTNCPCDARDPYMTHR—Summary of a participant’s DARD NCPC credits, issued upon settlement of the market day, including a summary of payments by settlement period and a summary of NCPC commitment and NCPC dispatch credit by hour and credit type

      SD_RTNCPCDRRPYMTHR—Summary of a participant’s DRR NCPC credits, issued upon settlement of the market day, including a summary of payments by settlement period, interruption-cost-amortization determination, and a summary of NCPC commitment and NCPC dispatch credit by hour and credit type

      Real-Time NCPC Five-Minute Payment Reports

      SD_RTNCPCPYMT5MIN—Five-minute detail of a participant’s generator NCPC credits, issued upon settlement of the market day

      SD_RTNCPCDARDPYMT5MIN—Five-minute detail of a participant’s DARD NCPC credits, issued upon settlement of the market day

      SD_RTNCPCDRRPYMT5MIN—Five-minute detail of a participant’s DRR NCPC credits, issued upon settlement of the market day

      Real-Time Commitment and Dispatch Reports

      SD_RTNCPCGEN5MIN—Five-minute detail of a participant’s generating asset operating data, issued upon settlement of the market day

      SD_RTNCPCDARD5MIN—Five-minute detail of a participant’s DARD operating data, issued upon settlement of the market day

      SD_RTNCPCDRR5MIN—Five-minute detail of a participant’s DRR operating data, issued upon settlement of the market day

      Real-Time NCPC Cancelled-Start Credit Report

      SD_RTNCPCCS—Detail of a participant’s daily real-time cancelled-start NCPC credits, issued upon settlement of the market day

      SD_RTNCPCDRRCS—Detail of a DRR’s daily real-time cancelled-start NCPC credits, issued upon settlement of the market day

      Real-Time NCPC Hourly Shortfall Payment Reports

      SD_RTNCPCHS—Detail of a participant’s daily real-time hourly shortfall NCPC credits, issued upon settlement of the market day

      SD_RTNCPCHSDARD—Detail of a participant’s daily real-time DARD hourly shortfall NCPC credits, issued upon settlement of the market day

      SD_RTNCPCHSDRR—Detail of a participant’s daily real-time DRR hourly shortfall NCPC credits, issued upon settlement of the market day

      Real-Time NCPC Generator Posturing Credit Report

      SD_RTNCPCPOSTGEN—Detail of a participant’s hourly real-time generator posturing NCPC credits, issued upon settlement of the market day

      Real-Time NCPC Dispatch Lost-Opportunity Cost (DLOC) Payment Reports

      SD_RTNCPCDLOC—Detail of a participant’s five-minute real-time generator DLOC NCPC credits, issued upon settlement of the market day

      SD_RTNCPCDDLOC—Detail of a participant’s five-minute real-time DARD DLOC NCPC credits, issued upon settlement of the market day

      SD_RTNCPCDRRDLOC—Detail of a participant’s five-minute real-time DRR DLOC NCPC credits, issued upon settlement of the market day

      Real-Time NCPC Settlement Summary Report

      SR_RTNCPCSTLMNTSUM—Summary of a participant’s daily real-time NCPC credits and charges, issued upon settlement of the market day

      • Total charges for non-VAR NCPC categories are shown.
      • Total credits are shown by non-VAR and VAR charge categories.
      • All credits and charges associated with generators that were flagged for a non-VAR commitment reason are in the twice weekly bill.
      • Credits paid to generators that were flagged for a VAR commitment reason are included in the monthly bill issued two months after the operating month.
      • The charges (and credits) for these generators are reported in the SD_VARVCCHG and SR_VARSTL reports. See OATT-Schedule 2 VAR for more information.

      FERC EQR

      Real-Time NCPC is reported on the SP_EQR report, available monthly one month after the given settlement, as referenced in the line item prefaced with the title “NCPC – Real Time” or “Dual Fuel Audit NCPC Adjustment” in 快活app官网-NE Settlements to FERC EQR Product Mapping.

      Related Calculation Summary

      RT NCPC Calculation Summary

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