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1. Day-Ahead Make-Whole-Payment AmountProtocol Reference: 4.5.8.12
2. Day-Ahead Make-Whole-Payment Cost AllocationProtocol Reference: 4.5.8.13
3. RUC Make-Whole-Payment AmountProtocol Reference: 4.5.9.8
4. RUC Make-Whole-Payment Cost AllocationProtocol Reference: 4.5.9.10
Sections
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Make-Whole-PaymentsThe Basics
• Why do we have MWP?
To ensure eligible Resources cover their operational costs for a Commitment Period
• Who is eligible to receive a MWP?
Any Resource that receives an SPP “Market” Commitment –either for economic or reliability purposes
• Who is responsible to pay for MWP(s)?
Any AO with Market activity at a SL which contributes to the need for MWP(s)
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0
10000
20000
30000
40000
50000
60000
70000
80000
cost revenue
Make-Whole-Payment Overview
MWP
Operating Reserve Revenue
Energy Revenue
Operating Reserve Cost
RUC Remainder Start-UpCostIncremental Energy Cost
No Load Cost
Start-Up Cost
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Common Terms
Commitment Period• The contiguous period of time between a Resource’s Commit
Time and De-Commit Time • By Market – DA Commitment vs RUC Commitment
• Single Commitment can span Operating Days• Multiple Commitments can exist in a single Operating Day
Make-Whole Payment Eligibility Period• Splits a multi-day Commitment Period on day boundaries• Is synonymous to Commitment Period for single day
Commitments
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DAY-AHEAD MAKE-WHOLE PAYMENT AMOUNT
Section 1
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Hourly Revenue
Day-Ahead Make-Whole-Payment Process
Start-UpRUC Remainder (Start-Up)
No-LoadIncremental EnergyOperating Reserves
Make-Whole Payment
EnergyOperating Reserves
Make-Whole Payment Eligibility Period
Hourly Production Costs
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Day-Ahead Operational CostsStart-Up
• Not Eligible for recovery when:
• Adjacent to the end of a RUC MWP eligibility period
• Includes Self-Commit Hour
• Synchronized more than 1 hour before sync-to-min
• Recovered in the lessor of min-run-time or 24 Hours
• Hot, Warm, or Cold DA Offer
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Day-Ahead Operational CostsRUC Remainder - Start-Up
• Unrecovered RTBM Start-Up from RUC Commitment adjacent to the beginning of the DA Commitment
• Result of RUC starting a Resource earlier than its DA Commitment
• RUC Commitment may be less than min-run-time due to its adjacency to the DA Commitment
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Day-Ahead Operational CostsNo Load
• Day-Ahead No Load Offer
Incremental Energy
• Day-Ahead Energy Offer Curve
• Day-Ahead Cleared Energy
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Day-Ahead Operational CostsOperating Reserve (Reg-Up, Reg-Down, Spin, Supp)
• Day-Ahead Operating Reserve Product Offers
• Day-Ahead Cleared Operating Reserve Products
• Day-Ahead Reg-Up and Reg-Down Unused Mileage
• Day-Ahead Regulation Mileage MCPs
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Day-Ahead RevenueEnergy
• Day-Ahead Cleared Energy
• Locational Marginal Price at Resource SL
Operating Reserve (Reg-Up, Reg-Down, Spin, Supp)
• Day-Ahead Cleared Operating Reserve Products
• MCPs for Operating Reserve Products in Resource Reserve Zone
• Day-Ahead Reg-Up and Reg-Down Unused Mileage MWPs
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Hourly Revenue
Day-Ahead Make-Whole-Payment Process
Start-UpRUC Remainder (Start-Up)
No-LoadIncremental EnergyOperating Reserves
Make-Whole Payment
EnergyOperating Reserves
Make-Whole Payment Eligibility Period
Hourly Production Costs
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DAY-AHEAD MAKE-WHOLE-PAYMENT COST ALLOCATION
Section 2
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Hourly Allocation Qty
Day-Ahead Make-Whole-Payment Cost Allocation Process
SPP Wide MWP Costs_________________
SPP Wide Withdrawal MWh
Make-Whole Payment Distribution
Cleared Load MWhCleared Export MWh
Cleared Virtual Bid MWh
Hourly
Daily Allocation Rate
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Day-Ahead MWP Allocation RateSPP Wide MWP Costs for the Operating Day
• Sum of all Day-Ahead MWP for the Operating Day
SPP Wide Withdrawal MWh for the Operating Day
• Sum of all Day-Ahead Cleared Withdrawal MWh for the Operating Day
• Day-Ahead Cleared Energy Withdrawal MWh
• Day-Ahead Cleared Export MWh
• Day-Ahead Cleared Virtual Energy Bid MWh
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Day-Ahead MWP Allocation QuantityAO/SL Withdrawal MWh by Hour
• Day-Ahead Cleared Energy Withdrawal MWh
• Day-Ahead Cleared Export MWh
• Day-Ahead Cleared Virtual Energy Bid MWh
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Hourly Allocation Qty
Day-Ahead Make-Whole-Payment Cost Allocation Process
SPP Wide MWP Costs_________________
SPP Wide Withdrawal MWh
Make-Whole Payment Distribution
Cleared Load MWhCleared Export MWh
Cleared Virtual Bid MWh
Hourly
Daily Allocation Rate
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RUC MAKE-WHOLE-PAYMENT AMOUNT
Section 3
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Revenue
RUC Make-Whole Payment Process
Cancelled Start-Up Start-UpNo-Load
Minimum EnergyIncremental EnergyOperating Reserve
Make-Whole Payment
Incremental EnergyIncremental OR
Out Of Merit Regulation Adjustment
Operational Cost
URD AdjustmentManual Status AdjustmentMinimum Limit Adjustment
Cost Adjustments
Make-Whole Payment Eligibility Period
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Real-Time Operational CostsCancelled Start-Up
• Pro-rata share of the as Committed RTBM Start-Up Offer
• Applies to Resources that receive a start-up cancellation while in their start-up window
• Start time defined in the as Committed RTBM Start-Up Offer
• Hot, Warm, or Cold RTBM as Committed Offer
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Real-Time Operational CostsStart-Up
• Not Eligible for recovery when:
• Adjacent to the end of a Day-Ahead MWP eligibility period
• Includes Self-Commit Hour
• Synchronized more than 1 hour before sync-to-min
• Recovered in the lessor of min-run-time or 24 Hours
• Must be synchronized at least one Dispatch Interval
• Hot, Warm, or Cold as Committed RTBM Offer
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Real-Time Operational CostsNo Load
• As Committed RTBM No Load Offer
• Incremental Cost above Day-Ahead No Load Offer
• Breaker must be closed
(Effective) Minimum Energy
• As Committed RTBM Energy Offer Curve
• Zero if Day-Ahead Cleared MWh >= Real-Time Effective Min MWh
• Area under the curve from zero to Effective Minimum
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Real-Time Operational Costs
Incremental Energy
• As Dispatched RTBM Energy Offer Curve
• Area under the curve for Incremental Energy
• From DA Cleared or Effective Minimum to Billable Meter
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Real-Time Operational CostsOperating Reserve (Reg-Up, Reg-Down, Spin, Supp)
• As Dispatched RTBM Operating Reserve Product Offers
• Incremental RTBM Cleared Operating Reserve Products
• Reg-Up and Reg-Down Excess Mileage
• Incremental Reg-Up and Reg-Down Unused Mileage
• RTBM Regulation Mileage MCPs
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Real-Time RevenueIncremental Energy
• From DA Cleared to Billable Meter
• Locational Marginal Price at Resource SL
Operating Reserve (Reg-Up, Reg-Down, Spin, Supp)
• RTBM Incremental Cleared Operating Reserve Products
• MCPs for Operating Reserve Products in Resource Reserve Zone
• RT Reg-Up and Reg-Down Unused Mileage MWPs
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Real-Time RevenueOut of Merit
• Cost above LMP for OOME Dispatch above economics
• As Dispatched RTBM Energy Offer Curve
• RTBM LMP above DA LMP for OOME Dispatch below DA Cleared
• RTBM MCP above DA MCP for OOME OR below DA Cleared
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Real-Time Revenue AdjustmentRegulation Adjustment
• Cost above LMP for Regulation-Up Deployment
• Recover losses from Regulation-Up Deployment
• LMP above Cost for Regulation-Up Deployment
• Claw back profit from Regulation-Up Deployment
• Cost below LMP for Regulation-Down Deployment
• Recover lost profit from Regulation-Down Deployment
• LMP below Cost for Regulation-Down Deployment
• Claw back cost savings from Regulation-Down Deployment
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Real-Time Operational Cost AdjustmentsUninstructed Resource Deviation
• Resource operates outside its Operating Tolerance
• Resource has no exemption
• Disallows Incremental Energy costs above Desired Energy Costs
• As Dispatched RTBM Energy Offer Curve
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Real-Time Operational Cost AdjustmentsManual Status Adjustment
• Resource changes its Control Status to “Manual”
• Resource is not operating Uninstructed
• Disallows Incremental Energy costs above Desired Energy Costs
• As Dispatched RTBM Energy Offer Curve
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Real-Time Operational Cost AdjustmentsMinimum Limit Adjustment
• Resource increases its Effective Minimum Limit above the limit used to commit the Resource
• And above the Resource’s Operating Tolerance
• Disallows Incremental Energy costs above Desired Energy Costs
• As Dispatched RTBM Energy Offer Curve
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Revenue
RUC Make-Whole Payment Process
Cancelled Start-Up Start-UpNo-Load
Minimum EnergyIncremental EnergyOperating Reserve
Make-Whole Payment
Incremental EnergyIncremental OR
Out Of Merit Regulation Adjustment
Operational Cost
URD AdjustmentManual Status AdjustmentMinimum Limit Adjustment
Cost Adjustments
Make-Whole Payment Eligibility Period
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REAL-TIME MAKE-WHOLE-PAYMENT COST ALLOCATION
Section 4
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Hourly Deviation Qty
Real-Time Make-Whole-Payment Cost Allocation Process
SPP Wide MWP Costs_________________
SPP Wide Deviation MWh
Make-Whole Payment Distribution
Deviation MWh
Hourly
Daily Allocation Rate
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Real-Time MWP Allocation RateSPP Wide MWP Costs for the Operating Day
• Sum of all RUC MWP for the Operating Day
SPP Wide Deviation MWh for the Operating Day
• Sum of all Real-Time Deviation MWh for the Operating Day
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Real-Time MWP Deviation QuantityAO/SL Deviation MWh by Hour
• Real-Time Net Settlement Location Deviation MWh
• Real-Time Minimum Limit Deviation MWh
• Real-Time Maximum Limit Deviation MWh
• Real-Time Outage Deviation MWh
• Real-Time (Manual) Control Status Deviation MWh
• Real-Time RUC Self-Commit Deviation MWh
• Real-Time RUC Commit Deviation MWh
• Real-Time URD Deviation MWh36
Real-Time Deviation QuantityReal-Time Net Settlement Location Deviation MWh
• Load SL that Deviate from their DA Cleared MWh
• Export Transaction that Deviate from their DA Cleared MWh
• Import Transactions that Deviate from their DA Cleared MWh
• Through Transactions that Deviate from their DA Cleared MWh
• Sink Transaction only
• Absolute Value - DA Cleared Virtual Energy Offers MWh
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Real-Time Deviation QuantityReal-Time Minimum Limit Deviation MWh
• Resource Clears in the DA Market
• Resource increases its Effective Minimum Limit in RTBM Offer
• More than Operating Tolerance
• Above its DA Cleared MWh
• Resource is Dispatched to its RTBM Minimum Dispatch MW
• For at least one Dispatch Interval in the Hour
• Deviation MWh equals the difference between the Resources RTBM Effective Minimum Limit and the lesser of the (DA Cleared MWh or the DA Effective Minimum Limit)
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Real-Time Deviation QuantityReal-Time Maximum Limit Deviation MWh
• Resource Clears in the DA Market
• Resource decreases its Effective Maximum Limit in RTBM Offer
• More than Operating Tolerance
• Below its DA Cleared MWh
• Resource is Dispatched to its RTBM Maximum Dispatch MWh
• For at least one Dispatch Interval in the Hour
• Deviation MWh equals the difference between the greater of (DA Cleared MWh and the DA Effective Maximum Limit) and the Resources RTBM Effective Maximum Limit
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Real-Time Deviation QuantityReal-Time Outage Deviation MWh
• Resource Clears in the DA Market
• Resource is Off-Line in the RTBM
• Resource does not have an SPP De-Commit Instruction
• Deviation MWh equals the DA Cleared MWh
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Real-Time Deviation QuantityReal-Time (Manual) Control Status Deviation MWh
• Resource Clears in the DA Market
• Resource is in “Manual” Control Status in RTBM
• Deviation MWh equals the difference between Resource’s Desired Energy and Billable Meter
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Real-Time Deviation QuantityReal-Time RUC Self-Commit Deviation MWh
• Resource does not Clears in the DA Market
• Resource Self-Commits following the DA Market
• Resource is Dispatched to its RTBM Minimum Dispatch MWh
• For at least one Dispatch Interval in the Hour
• Resource is Exempt from this Deviation if:
• Resource Offered into the DA Market but did not Clear
• Resource Self-Committed prior to DA RUC
• Deviation MWh equals the Resources actual output MWh42
Real-Time Deviation QuantityReal-Time RUC Commit Deviation MWh
• Resource does not Clears in the DA Market
• Resource either Self-Commits or is Committed by SPP following the DA Market
• Resource is Off-Line in the RTBM
• Resource does not have an SPP De-Commit Instruction
• Deviation MWh equals the greater of the Resource’s Economic Minimum Limit and its Desired Energy at the beginning of the Commitment
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Real-Time Deviation QuantityReal-Time URD Deviation MWh
• Resource operates outside its Operating Tolerance in the RTBM
• Resource does not have an Exemption
• Deviation MWh equals the Resource’s Uninstructed Deviation MWh
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Hourly Deviation Qty
Real-Time Make-Whole-Payment Cost Allocation Process
SPP Wide MWP Costs_________________
SPP Wide Deviation MWh
Make-Whole Payment Distribution
Deviation MWh
Hourly
Daily Allocation Rate
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Questions?
Meeting materials available online at:
www.spp.org
Org Groups > Market Working Group > Settlement User Group
For further information contact:
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