barker, dunn & rossi1 bilateral contract and settlement market rules for cms phase i presented...
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![Page 1: Barker, Dunn & Rossi1 Bilateral Contract and Settlement Market Rules for CMS Phase I Presented to NEPOOL Markets Committee January 23, 2001](https://reader035.vdocuments.us/reader035/viewer/2022062417/5518314c5503469d318b5017/html5/thumbnails/1.jpg)
Barker, Dunn & Rossi 1
Bilateral Contract and Settlement Market Rules for CMS Phase I
Presented to
NEPOOL Markets Committee
January 23, 2001
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Barker, Dunn & Rossi 2
Drafting Principles
CMS Phase I Rules (Contracts & Settlements) drafted using Sept, 2000 draft of “End-State” CMS/MSS Rules.
Cross references to RNA used where possible
All Settlements Calculations contained in single section
All Bilateral Contracts contained in single section
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Scope of Presentation
Overview of Rules Bilateral Contracts – Section 4
Settlements Calculations – Section 6
Numerical Examples
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Overview of Rules
Bilateral Contracts and Settlement Treatment
Real-Time Market Settlements
NCPC Calculations NCPC Rules will be included when finalized
FCR Settlements
Marginal Loss and Congestion Revenue
Inadvertent
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Types of Bilateral Contracts
Relevant sections Section 4.2 covers basic rules and timelines
Types Unit, System, Obligation Transfer, Load Asset Contract
and External (ICAP Only) Unit Contract must specify Location System Contract must specify Location Obligation Transfer Contract must settle where actual load
obligation resides Above Continue to be financial instruments only External must link with Supply Offer or Demand Bid at
External Node
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Bilateral Contract Submittal
Section 4.3 describes submittal process
Appendix-4A sets out content requirements
Submittal similar to today except: No External Contracts other than ICAP
No Pre-Determined Conditions
No Non-Standard Provisions
Linked Dispatchable and Firm Contracts retained
Validation similar to today
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Bilateral Contract Settlement Treatment
Section 6.3 describes settlement treatment Settlement treatment similar to today except
Location specific for Energy
Seller incurs an increased financial obligation for Unit, System, Obligation Transfer and Load Asset (Operating Reserve) Contracts
Seller incurs a reduction in financial obligation for Load Asset (Energy) Contract
System and Obligation Transfer Contracts remain dispatchable
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Real-Time Settlements
Sections 6.4, 6.5 and 6.6
Settlement Quantities
Supply Obligation Payments
Settlement Obligation Payments
Net Settlements
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Real-Time Settlement Quantities
Real-Time Base Supply Obligation and Base Settlement Obligation quantities for Energy as submitted by Assigned Meter Reader
Electrical Load calculated for External Nodes, Nodes and Load Zones.
Real-Time Ancillary Service Supply Obligation based on designated amounts
Schedule changes at External Nodes accounted for
Dispatchable Loads pay Nodal, all other Loads pay Zonal
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Real-Time Supply Obligation Payments
Energy Settlements based on Nodal Prices
Ancillary Service Settlements based on A/S Clearing Price
Unit Contract Transactions included
Load Asset Transactions (Reserve) included
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Real-Time Settlement Obligation Payments - Energy
Payments from Participants based on Settlement Obligation as modified for Bilateral Transactions
Energy Settlements based on Locational Prices Nodal for Dispatchable Load
Zonal for all other Load
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Real-Time Energy Settlement - Examples
Examples Energy Settlement with Unit Contract
Energy Settlement with System Contract
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Real-Time Energy Settlement – Unit Contract Example
400 Mws400
Mws
Generator Load
50% UC Sale at Zone ANode A CP = $30
Zone A = CP = $35
Gen Settlements at Zone A
(-200 x 35) = -$7000
Load Settlements at Zone A
(+200 x 35) = +$7,000
(-400 x 35) = -$14,000
Gen Settlements At Node A:
(400 x $30) = $12,000
Note: $2,000 ($14,000 - $12,000) excess collected = Congestion Cost
Gen Supply Obligation at Node A = 400
Gen Supply Obligation at Zone A = -200
Load Supply Obligation at Zone A = 200
Load Settlement Obligation at Zone A = -400
-$7000
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Real-Time Energy Settlement – System Contract Example
400 Mws400
Mws
Generator Load100 MW System Contract Sale at Zone A (Gen is seller)
Node A CP = $30
Zone A = CP = $35
Gen Settlements at Zone A
(-100 x 35) = -$3500
Load Settlements at Zone A
(-300 x 35) = -$10,500
Gen Settlements At Node A:
(400 x $30) = +$12,000
Note: $2,000 ($14,000 - $12,000) excess collected = Congestion Cost
Gen Supply Obligation at Node A = 400 MWs
Gen Settlement Obligation at Zone A = -100 MWs
Load Settlement Obligation at Zone A = (-400 + 100) = -300
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Real-Time Energy Settlement – Obligation Transfer Contract Example
400 Mws400
Mws
Generator Load50% Obligation Transfer Contract – Gen is SellerNode A CP = $30
Zone A = CP = $35
Gen Settlements at Zone A
(-200 x $35) = -$7,000
Load Settlements at Zone A
(-200 x $35) = -$7,000
Gen Settlements At Node A:
(400 x $30) = +$12,000
Note: $2,000 ($14,000 - $12,000) excess collected = Congestion Cost
Gen Supply Obligation at Node A = 400 MWs
Gen Settlement Obligation at Zone A = (-400 x .5) = -200 MWs
Load Settlement Obligation at Zone A = (-400 – (-400 x.5)) = -200 MWs
Note: Must Settle at Zone A
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Net Monthly Settlement
Section 6.16
Just a summation of all Trading Interval calculations performed for a Billing Period
Adjusted Net Interchange calculation retained (Section 6.15). Posturing and EET’s
Supply Obligation payments and Settlement Obligation payments netted for each Participant.
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Settlement Obligation Payments – Ancillary Services
Sections 6.7 and 6.8 A/S Clearing Prices calculated based on Co-optimized
results. Payments from Participants based on sum of Real-
Time Supply Obligation payments made to Participants AGC and Operating Reserve
AGC payment based on REG share of total AGC requirement Operating Reserve payment based on MW share of total Operating
Reserve Requirement
System Contracts and Obligation Transfer Contracts included as an adjustment to MW Settlement Obligations
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Marginal Loss Revenue
Section 6.13.1
Calculated based on comparing for each Trading Interval: Sum of Supply Obligations payments (less Congestion
Component portion) and
Sum of Settlement Obligation payments (less Congestion Component portion)
Surplus, if any, is allocated in proportion to total Electrical Load (Nodal + Zonal +External Node).
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FCR Settlements – Target FCR Payments
Section 6.12 FCR Auction to be developed Payments to FCR Holders made if:
Congestion Component of Locational Price of specified destination Location is greater than Congestion Component of Locational Price of specified origin Location
Payment based on MW amount of FCR and difference in Congestion Components of Locational Prices.
Payments from FCR Holders collected if: Congestion Component of Locational Price of specified destination
Location is less than Congestion Component of Locational Price of specified origin Location
Payment collected based on MW amount of FCR and difference in Congestion Components of Locational Prices
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Actual FCR Payments – Revenue Adequacy
Section 6.13.2 Actual FCR Payments equal Target FCR
Payments if Congestion Revenue is adequate
Revenue adequacy calculated on a monthly basis by calculating Congestion Revenue collected in Real-Time
If Revenue Collected >= Target FCR Payments, Revenue is adequate, excess added to Congestion Revenue Fund
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FCR Settlements – Revenue Adequacy – Cont.
If Revenue Collected + Congestion Revenue Fund balance < Target FCR Payments, then Ratio down Target Payments to match
Congestion Revenue Fund balance at end of year used to make FCR Holders whole if Actual FCR Payments less than Target
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Inadvertent
Section 6.14
Inadvertent Settlements remain the same as today except: Inadvertent Mwhrs are priced out for each
Trading interval at each External Nodes at the External Node Price.