ercot market educationercot market education. congestion revenue rights. 2. this presentation...
TRANSCRIPT
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ERCOT MARKET EDUCATION
Congestion Revenue Rights
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This presentation provides a general overview of the Texas Nodal Market and is not intended to be a substitute for the ERCOT Protocols, as amended from time to time. If any conflict exists between this presentation and the ERCOT Protocols, the ERCOT Protocols shall control in all respects.
For more information, please visit:
http://www.ercot.com/mktrules/nprotocols/
Protocol Disclaimer
Legal Disclaimers and Admonitions
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Housekeeping
• Restrooms
• Refreshments
• Attendance sheet
• QuestionsPlease silence smart phones
& other electronics
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Course Introduction
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• This course is intended for personnel responsible for Congestion Revenue Right (CRR) Auctions, Pre-Assigned CRR (PCRR) Allocations, CRR Trades, CRR Credit and CRR Settlement.
• This course is also intended for personnel responsible for Day-Ahead Market (DAM) Point-to-Point (PTP) Obligation Transactions and DAM PTP Obligation Settlement.
• This includes companies registered as CRR Account Holders, Qualified Scheduling Entities (QSEs), and Non-Opt-In Entities (NOIEs) eligible for PCRRs.
Course Audience
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• Identify the requirements to participate in the CRR market
• Explain various CRR market processes
• Describe possible financial outcomes of CRRs in the ERCOT markets
Upon completion of this course, you will be able to:
Course Objectives
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Modules in this course include:
Course Modules
Fundamentals of Congestion Revenue Rights1
2 CRR Auction & Allocation Processes
3 Trading of CRRs
4 Day-Ahead Market Point-to-Point Obligations
5 Credit Limits
6 CRR Settlements
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Module 1
Fundamentals ofCongestion Revenue Rights
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• Describe the basics of Locational Marginal Prices
• Explain the nature of congestion cost exposure
• Describe the types of Congestion Revenue Rights available to hedge congestion cost exposure
Upon completion of this module, learners will be able to:
Module Objectives
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All Energy in the ERCOT Market is settled at one of three types of Settlement Points:
Settlement Points
ResourceNodes
LoadZones
Hubs
Each Settlement Point has its own Settlement Point Price
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Settlement Point Prices are calculated from Locational Marginal Prices:
Settlement Point Prices
• Load Zone: Time-Weighted and Load-weighted average of LMPs at Load Buses within the Load Zone
• Hub: Time-Weighted and Simple Average of LMPs at defined Hub Buses within the Hub
• Resource Node: Time-Weighted average LMPs at Resource Node
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What is Locational Marginal Pricing (LMP)?
Locational Marginal Pricing
Buses can be:
• Load Buses• Generation Resource Buses• Hub Buses• Other Buses
Pricing: Cost
Marginal: to serve the next increment of Load
Locational: at an Electrical Bus
Locational Marginal Pricing
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• Energy
• Congestion
LMP components
Locational Marginal Pricing
In some markets, LMPs have a component for losses.
The ERCOT Market does NOTinclude losses in LMPs.
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Introducing the players … Example
Locational Marginal Pricing
345kVHub Bus
69kVLoad Bus
Gen 1
Gen 2 Gen 3
Load
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Let’s solve for LMPs at each BusExample
Locational Marginal Pricing
Gen 1
Gen 2 Gen 3
20 MW20 MW @ $20
20 MW @ $10
345kVHub Bus
69kVLoad Bus
5 MW Limit
10 MW Limit
40 MW @ $30
$10LMP?
$20LMP?
$30LMP?
$30LMP?
Clear 5 MW
Clear 5 MW Clear 10 MW
Load$20LMP?
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Since we have congestion ...
Locational Marginal Pricing
Charges to BuyersLMP MW
$30 20 $600
Total $600
Payments to SellersLMP MW
Gen 1 $20 5 $100
Gen 2 $10 5 $50
Gen 3 $30 10 $300
Total $450
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Locational Marginal Pricing
$600
$450
$150
Chargesto
Buyers
Paymentsto
Sellers
Day-Ahead Market Congestion Rent funds Congestion Revenue Rights (CRRs)
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Congestion Cost exposure
Congestion Costs
Resource Node A
$30/MWh
$30/MWh
$30/MWh
Hub
Load Zone
$40/MWh
$50/MWh
Price separation across the grid exposes buyers and sellers of energy to
Congestion Costs
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• Financial instruments
• Payment or charge to owner when Transmission Grid is congested in Day-Ahead Market
Congestion Revenue Rights (CRRs):
Congestion Revenue Rights
A CRR is not a right to deliver physical energy
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• Financial Hedge
• Financial Investment
CRRs may be used as:
Congestion Revenue Rights
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• Price certainty - Locking in the cost of congestion at the cost of purchasing the CRR
As a Financial Hedge for …
Congestion Revenue Rights
Price Separation between two Settlement Points
Diff
eren
ce
Hour
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CRR may be purchased on a speculative basis:
As a Financial Investment …
Congestion Revenue Rights
Congestion Rent > Purchase Price
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• Designated point of injection (source) and point of withdrawal (sink)
• Settlement based on difference between sink and source Settlement Point Prices
• Two Instruments:
• Point-to-Point Options• Point-to-Point Obligations
Types of Congestion Revenue Rights
Congestion Revenue Rights
Point-to-Point Congestion
Revenue Rights
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Provide a hedge that can only result in a payment
Point-to-Point Options
Congestion Revenue Rights
Source A
Sink B
Source C
$5/MWh$10/MWh
$15/MWh
Option AB Payment = $5.00
Option CB Payment = $0.00
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Provide a hedge that may result in a payment or a charge
Point-to-Point Obligations
Congestion Revenue Rights
Source A
Sink B
Source C
$5/MWh
Obligation AB Payment = $5.00
Obligation CB Charge = $5.00
$10/MWh
$15/MWh
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• CRR Auction
• Allocation (Special Cases)
• Bilateral Trades
Three ways of acquiring CRRs:
Congestion Revenue Rights
CRRs
Auction
Allocation
Trade
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Registration and qualification:
• CRR Account Holder Application and Standard Form Agreement
• Provide bank account information
• Demonstrate the capability to perform the functions of an Account Holder
• Satisfy ERCOT’s creditworthiness requirements
CRR Account Holder
Congestion Revenue Rights
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Day-Ahead Congestion HedgingExample
Hedging Congestion Costs
• 5MW DAM Energy Purchase at Load Zone• 5MW PTP Option from Resource Node A to Load Zone
Resource Node B
Load Zone(sink)
Resource Node A(source)
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Day-Ahead Congestion HedgingExample
Hedging Congestion Costs
Resource Node B
$20/MWh $20/MWh
$20/MWh
Energy Purchase PTP Option Payment Net Day-Ahead Cost$100 $0 $100
Load Zone(sink)
Resource Node A(source)
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Day-Ahead Congestion HedgingExample
Hedging Congestion Costs
Resource Node B
$20/MWh $25/MWh
$30/MWh
Energy Purchase PTP Option Payment Net Day-Ahead Cost$125 $25 $100
Load Zone(sink)
Resource Node A(source)
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Day-Ahead Congestion HedgingExample
Hedging Congestion Costs
Resource Node B
$20/MWh $25/MWh
$30/MWh
Energy Purchase PTP Option Payment Net Day-Ahead Cost$125 $25 $100
Load Zone(sink)
Resource Node A(source)
Don’t forget – there was a cost to buy the PTP Option
in the CRR Auction.
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Real-Time Congestion HedgingExample
Hedging Congestion Costs
• 5MW Trade Energy Purchase at Resource Node A• 5MW Load at Load Zone
Resource Node A
Resource Node B
$??/MWh$??/MWh
$??/MWh
Load Zone
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Real-Time Congestion HedgingExample
Hedging Congestion Costs
Resource Node A
Resource Node B
$30/MWh$30/MWh
$30/MWh
Load Zone
Payment at Resource Node A
Charge at Load Zone
Real-time Congestion Exposure
$150 $150 $0
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Real-Time Congestion HedgingExample
Hedging Congestion Costs
Resource Node A
Resource Node B
$30/MWh$40/MWh
$45/MWh
Load Zone
Payment at Resource Node A
Charge at Load Zone
Real-time Congestion Exposure
$150 $200 $50
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• Financial instruments
• Payment or charge to owner when Transmission Grid is congested in Real-Time
Day Ahead Market PTP Obligations:
Day Ahead Market PTP Obligations
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• Financial Hedge
• Financial Investment
DAM PTP Obligations may be used as:
Day Ahead Market PTP Obligations
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• Price certainty - Locking in the costs of Real-time congestion at Day-Ahead Market prices
As a Financial Hedge for…
Day Ahead Market PTP Obligations
Price Separation between two Settlement Points
Diff
eren
ce
Hour
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DAM PTP Obligations may also be purchased on a speculative basis:
As a Financial Investment …
Day Ahead Market PTP Obligations
Real-time value > Purchase Price
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• Purchased at DAM price spread
• Settled at Real-Time price spread
Day-Ahead Market PTP Obligations
Day Ahead Market PTP Obligations
Source A
Sink B
PTP Obligation
Only QSEs may participatein the Day-Ahead Market
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Registration and qualification:
• QSE Application and Standard Form Agreement
• Provide bank account information
• Demonstrate the capability to perform the functions of a QSE
• Meet communications requirements
• Satisfy ERCOT’s creditworthiness requirements
Qualified Scheduling Entity
Congestion Revenue Rights
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Day Ahead Market PTP ObligationsExample
Day Ahead Market PTP Obligations
QSE charge in Day Ahead Market = $25
QSE payment in Real Time = $50 ?
?
$20/MWh $25/MWhDAM Prices:
$30/MWh $40/MWhReal-Time Prices:
Load ZoneSource Sink
Resource Node A
5 MWPTP Obligation
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Real-Time Congestion HedgingExample
Hedging Congestion Costs
• 5MW Trade Energy Purchase at Resource Node A• 5MW Load at Load Zone• 5MW DAM PTP Obligation Resource Node A to Load Zone
Resource Node A
Resource Node B
$30/MWh$40/MWh
$45/MWh
Load Zone
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Real-Time Congestion HedgingExample
Hedging Congestion Costs
Payment at Resource Node A
Charge at Load Zone
Payment for PTP Obligation
Real-timeNet Cost
$150 $200 $50 $0
Resource Node A
Resource Node B
$30/MWh$40/MWh
$45/MWh
Load Zone
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• The basics of LMPs
• Congestion cost exposure in the ERCOT markets
• Financial instruments available for hedging congestion costs in the ERCOT markets
In this module, you’ve learned about:
Module Summary
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Module 2
CRR Auction & Allocation Process
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• Describe the role of the CRR Network Model in the CRR Auction
• Explain the impact of Pre-Assigned CRRs (PCRRs) on the CRR Auction
• Identify the inputs of the CRR Auction Process
• Describe the CRR Auction Process
• Identify the outputs of the CRR Auction
Upon completion of this module, learners will be able to:
Module Objectives
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Congestion Revenue Rights Life Cycle
• Bids to Buy• Offers to Sell
CRR Auction
• PCRRs to NOIEs • Prior to the CRR Auction
Allocation
• Daily Settlement of CRRs
Day-Ahead Market
Auctions are held monthly and semi-annually.
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• Monthly
• Semi-annual
• Long Term Auction Sequence• Four successive auctions
Timing of Auctions:
Availability of Congestion Revenue Rights
1st Six months
2nd Six months
3rd Six months
4th Six months
*Exact dates on CRR Activity Calendar - http://www.ercot.com/mktinfo/crr
NPRR808 increases to six sequences beginning September 2017
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• 90% in Monthly Auction
• Long-Term Auction Sequences
• 60% for first six months• 45% for second six months• 30% for third six months• 15% for fourth six months
Available Capacity
Availability of Congestion Revenue Rights
NPRR808 changes percentages beginning September 2017
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Reflects characteristics of ERCOT Transmission System
• Topology
• Equipment Ratings
• Other Operational Limits
ERCOT’s System Capacity is determined from the Network Operations Model
Modeling for Congestion Revenue Rights
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• Derived from Network Operations Model
• Represents the transmission capacity for each month
CRR Network Model
Modeling for Congestion Revenue Rights
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• Transmission facilities expected to be in-service for the specified month
• Significant outages
• Dynamic Ratings
• Monitored Elements
• Contingencies
• Settlement Points
CRR Network Model will reflect:
Modeling for Congestion Revenue Rights
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• CRR Auction Process
• CRR Allocation to NOIEs
ERCOT uses the CRR Network Model in:
Modeling for Congestion Revenue Rights
ERCOT posts Models on MIS:
• 10 business days before Monthly Auction
• 20 business days before Long-Term Auction Sequence
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• Based on the long-term supply contracts of Non-Opt-In Entities (NOIEs)
• Cost is a percentage of the CRR Auction clearing price
• Allocated to NOIEs based on their annual Nominations
Pre-Assigned CRRs (PCRRs)
PCRR Allocation
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Goal:
• Confirms that the transmission system can support an awarded set of CRRs during normal system conditions
Process
• DC power-flow model
• Used during Allocation
• Used during the Day-Ahead Market
Simultaneous Feasibility Test
PCRR Allocation
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PCRR Allocation
Possible Transmission Capacity Available for Allocation
Possible Transmission Capacity Available Prior to the Auction
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CRR Auction Process
CRR Auction
Bids
Offers
CRR ModelAllocated PCRRs
Previously Awarded CRRsCredit Limits
CRR AuctionEngine
Data Transmitted Daily• Credit• Settlements
Auction Results• Postings• Settlements
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Bids – willingness to buy CRRs
Indicate:
• Not-to-Exceed Price
• Maximum MWs of CRR
Inputs
CRR Auction
Bids
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Bids
CRR Auction
AccountHolder Source Sink MW Price
TimeOf
Use
Buyor
Sell
Hedge Type Start Date End
Date
CRRAH1 RN1 LZ4 10 10 PeakWD Buy OBL 07/01/2014 07/31/2014
CRRAH1 RN2 LZ4 10 10 PeakWD Buy OBL 07/01/2014 07/31/2014
CRRAH1 LZ5 RN3 10 10 PeakWD Buy OBL 07/01/2014 07/31/2014
CRRAH1 Hub1 LZ2 10 10 PeakWD Buy OBL 07/01/2014 07/31/2014
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• One month strips
• Time-of-Use Blocks
CRRs are auctioned or allocated in:
CRR Auction
Mon. Tues. Wed. Thurs. Fri. Sat. Sun.
Off-Peak (0100 – 0600)
Off-Peak (2300 – 2400)
Peak Weekday (0700 – 2200) Peak Weekend (0700-2200)
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Treated as single bid across all three Time-of-Use blocks
7x24 Block Bids in Monthly Auctions
CRR Auction
If… Then…
Bid Price ≥ 7x24 Block Bid awarded
Bid Price < 7x24 Block Bid not awarded
Weighted average (by hour) of all three time-of-use clearing prices
Weighted average (by hour) of all three time-of-use clearing prices
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CRR Account Holder enters 7X24 bid for CRR from Source A to Sink BExample
CRR Auction
• Bid Price = $6
• Month of February has total of 672 hours, including
• 224 Off Peak hours• 128 Peak Weekend hours• 320 Peak Weekday hours
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The three time-of-use Clearing Prices for CRR A-B are:Example
CRR Auction
• $2 Off Peak• $3 Peak Weekend• $8 Peak Weekday
Weighted average price for the three time-of-use periods is
(224x$2 + 128x$3 + 320x$8) / 672 = $5.048
Bid price was $6, so 7x24 Bid is awarded
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No 7x24 Block Bids in Long Term Auction Sequences
CRR Auction
Monthly AuctionPeak WDPeak WEOff-Peak
Peak WD
Peak WE
Off-Peak
Long Term Auction
TOU blocks Cleared
Simultaneously
TOU blocks Not Cleared
Simultaneously
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• Minimum Bid Price for PTP Options
• Currently $0.01/MW/hour
• Reviewed by TAC annually
• Auction Fee for PTP Options that clear below Minimum Bid Price
• Difference between clearing price and minimum price
• Works out to total price of $0.01/MW/hour
Minimum Bid Price and Auction Fees
CRR Auction
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Inputs
CRR Auction
Bids
Offers
Offers - willingness to sell CRRs
Indicate:
• Minimum Reservation Price
• Available quantity in MW
Only the Owner of Record can offer a CRR
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Offers
CRR Auction
CRR ID
AccountHolder Source Sink MW Price
TimeOf
Use
Buyor
Sell
Hedge Type Start Date End
Date
12345 CRRAH1 RN1 LZ4 10 10 PeakWD Sell OBL 07/01/2014 07/31/2014
67890 CRRAH1 RN2 LZ4 20 50 PeakWD Sell OPT 07/01/2014 07/31/2014
23456 CRRAH1 LZ5 RN3 50 25 PeakWD Sell OBL 07/01/2014 07/31/2014
78901 CRRAH1 Hub1 LZ2 15 10 PeakWD Sell OBL 07/01/2014 07/31/2014
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CRR Auction Process
CRR Auction
Bids
Offers
CRR ModelAllocated PCRRs
Previously Awarded CRRsCredit Limits
Constraints submitted by ERCOT
• Total Transmission Capacity
• Transmission Capacity already “owned”
• Credit limit acts as budget constraint
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Clearing Process
CRR Auction
Bids
Offers
CRR ModelAllocated PCRRs
Previously Awarded CRRsCredit Limits
CRR AuctionEngine
Data Transmitted Daily• Credit• Settlements
Auction Results• Postings• Settlements
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• Single-round, simultaneous auction
• Objective
• Maximize net auction revenue
• Subject to applicable constraints
Transmission System limits Credit limits
Clearing Process
CRR Auction
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Offer-based CostBid-based Value
CRR Auction Objective:
CRR Auction
Offer-based Cost: Sum [Offer Price * Cleared Offer Quantity]
Bid-based Value: Sum [Bid Price * Cleared Bid Quantity]
Maximize [Bid-based Value – Offer-based Cost]
In this step, Auction uses bid prices and offer prices, not clearing prices
Bid-based Value Offer-based Cost
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Introducing a simple model ...Example
CRR Clearing Process
A = Settlement Point
A B
C D
200 MW
200 MW
200 MW
200 MW
100 MWE F
MW = Transmission Capacity
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Case 1: Bids onlyExample
CRR Clearing Process
AccountHolder Source Sink MW Price Buy or
SellHedge Type Award
CRRAH 1 A B 150 $20 Buy OPT 100 MW
CRRAH 2 C D 20 $10 Buy OPT 0 MW
Bid-based Value – Offer-based Cost
(100MW × $20) + (0MW × $10) – $0 = $2000
(80MW × $20) + (20MW × $10) – $0 = $1800
Prices
PAB = $20 PCD = $20 PEF = $20PEFPCDPAB
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And now, introducing …
CRR Clearing Process
The Shadow PriceThe marginal cost to make an
additional increment of a commodity available
Commodity: Transmission CapacityCost: Depends on Bids and Offers
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Case 2: Bids onlyExample
CRR Clearing Process
AccountHolder Source Sink MW Price Buy or
SellHedge Type Award
CRRAH 1 A B 150 $10 Buy OPT 80 MW
CRRAH 2 C D 20 $20 Buy OPT 20 MW
Bid-based Value – Offer-based Cost
(20MW × $20) + (80MW × $10) – $0 = $1200
(0MW × $20) + (100MW × $10) – $0 = $1000
Prices
PAB = $10 PCD = $10 PEF = $10PEFPCDPAB
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Case 3: Bids and OfferExample
CRR Clearing Process
AccountHolder Source Sink MW Price Buy or
SellHedge Type Award
CRRAH 1 A B 150 $10 Buy OPT 50 MW
CRRAH 2 C D 20 $20 Buy OPT 20 MW
CRRAH 3 E F 30 $15 Sell OPT 0 MW
Bid-based Value – Offer-based Cost
(20MW × $20) + (70MW × $10) – (20MW × $15) = $800
(20MW × $20) + (50MW × $10) – (0MW × $15) = $900
Prices
PAB = $10 PCD = $10 PEF = $10PEFPCDPAB
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Case 4: Bids and OfferExample
CRR Clearing Process
AccountHolder Source Sink MW Price Buy or
SellHedge Type Award
CRRAH 1 A B 150 $10 Buy OPT 0 MW
CRRAH 2 C D 20 $20 Buy OPT 20 MW
CRRAH 3 E F 90 $15 Sell OPT 10 MW
Bid-based Value – Offer-based Cost
(20MW × $20) + (10MW × $10) – (20MW × $15) = $200
(20MW × $20) + (0MW × $10) – (10MW × $15) = $250
Prices
PAB = $15 PCD = $15 PEF = $15PEFPCDPAB
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Outputs
CRR Auction
Data Transmitted Daily• Credit• Settlements
Bids
Offers
CRR ModelAllocated PCRRs
Previously Awarded CRRsCredit Limits
CRR AuctionEngine
Auction Results• MIS Postings• Settlements
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MIS Postings
CRR Auction
General Auction Results• Identities of Awarded CRR Account Holders• Awarded CRRs by Source-Sink, TOU, MWs, Clearing
Prices, Effective Dates• Binding Constraints
All auction bids and offers• Without identifying CRR Account Holders
Specific CRR Account Holder Information• Awarded Bids and Offers• Unique IDs for awarded CRRs
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CRR Auction – Transmission Capacity
Possible Transmission Capacity Available Prior to Auction
Possible Transmission Capacity Available After the Auction
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• The role of the Network Model in CRR Auctions
• Impacts of Pre-Assigned CRRs on CRR Auctions
• Inputs and outputs of the CRR Auction Process
• The CRR Auction Process
In this module, you’ve learned about:
Module Summary
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Module 3
Trading of Congestion Revenue Rights
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• Identify which CRRs are tradable
• Describe the process of registering CRR trades with ERCOT
• Describe the ERCOT requirements to trade CRRs
Upon completion of this module, learners will be able to:
Module Objectives
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Congestion Revenue Rights Life Cycle
• Bids to Buy• Offers to Sell
• Bilateral Transaction• CRR Account Holders
CRR Trades
• Bids to Buy• Offers to Sell
CRR Auction
• PCRRs to NOIEs • Prior to the CRR Auction
Allocation
• Daily Settlement of CRRs
Day-Ahead Market
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Tradable Congestion Revenue Rights
Type of CRR Tradable
PTP Options
PTP Obligations
PTP Options w/ Refund
PTP Obligations w/ Refund
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CRR Account Holder Jane wants to trade a CRR:Example
Parameters for Trading Congestion Revenue Rights
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
54321 Jane RN1 LZ4 10 07/01/2014 07/31/2014 Peak WE OBL
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What fields may be modified?Example
Parameters for Trading Congestion Revenue Rights
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
54321 Jane RN1 LZ4 10 07/01/2014 07/31/2014 Peak WE OBL
CRR Account Holder Jane cannot modify:• Source• Sink• Time-of-Use Block• Hedge Type
CRR Account Holder Jane can modify:• MWs of CRRs• Effective Days of CRR
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Jane may offer the CRR for trade in two different ways:Example
Parameters for Trading Congestion Revenue Rights (cont)
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
54321 Jane RN1 LZ4 3 07/12/2014 07/13/2014 Peak WE OBL
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
54321 Jane RN1 LZ4 2 07/01/2014 07/31/2014 Peak WE OBL
1.
2.
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• Sell a CRR in a trade
• Buy a CRR in a trade
CRR Account Holders may indicate willingness to:
Posting Offers and Bids for Trades
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CRR Account Holder JillExample
Trading of Congestion Revenue Rights
• Sees Jane’s offers
• Contacts Jane to trade for Offer #1
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
54321 Jane RN1 LZ4 3 07/12/2014 07/13/2014 Peak WE OBL
1.
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• Selling party reports the trade to ERCOT
• Buying party confirms the trade through ERCOT
CRR Account Holders:
Trading of Congestion Revenue Rights
Selling CRR AH Buying CRR AH
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• Checks Account Holders’ Available Credit Limits
• Financially settles with new CRR owner
ERCOT
Trading of Congestion Revenue Rights
Buying CRR AHSelling CRR AH
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Traded CRR reflects:Example
Settlements of Traded Congestion Revenue Rights
• New Account Holder
• New CRR ID
CRR ID
Account Holder Source Sink MW Start Date End
Date
TimeOf
Use
Hedge Type
56789 Jill RN1 LZ4 3 07/12/2014 07/13/2014 Peak WE OBL
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• Which CRRs are tradable
• The process of registering CRR trades with ERCOT
• The ERCOT requirements to trade CRRs
In this module, you’ve learned about:
Module Summary
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Module 4
Day-Ahead MarketPoint-to-Point Obligations
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• Identify how to acquire PTP Obligations in the DAM
• Explain the differences between DAM PTP Obligations and CRRs acquired in the Auction
Upon completion of this module, learners will be able to:
Module Objectives
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Congestion Revenue Rights Life Cycle
• Bids to Buy• Offers to Sell
• Settlement of DAM PTP Obligations
Real-TimeOperations
• Bilateral Transaction• CRR Account Holders
CRR Trades
• Bids to Buy• Offers to Sell
CRR Auction
• PCRRs to NOIEs • Prior to the CRR Auction
Allocation
• Daily Settlement of CRRs
Day-Ahead Market
• Buy DAM PTP Obligations
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Transmission Capacity in Day-Ahead Market
Possible Transmission Capacity Available After
the Auction
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Transmission Capacity in Day-Ahead Market
Possible Transmission Capacity Available for
Day-Ahead Market
Day-Ahead Market:
• CRRs purchased in Auction are settled in DAM
• Settlement of CRRs “frees up” available network capacity for the DAM
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Point-to-Point Obligations – The bigger picture
PTP Obligation (CRR) DAM PTP Obligation
How acquired: Auction / Allocation DAM
Who Purchases: CRR Account Holder QSE
Tradable: Yes No
How Purchased: TOU Blocks Hourly
Initial Investment: Auction clearing priceDay-Ahead SPPs (Sink – Source)*
Target Payout:Day-Ahead SPPs (Sink – Source)
Real-Time SPPs (Sink – Source)
* Other DAM charges may apply
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Point-to-Point Obligations – The bigger picture
CRR Auction Day-Ahead Market Real-Time
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Inputs for Award of PTP Obligations
Day-Ahead Market Point-to-Point Obligations
Day-AheadMarket
PTP Obligation Bids
Energy Bids and Offers
Credit Limits
Day-AheadNetwork Model
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• Submitted for any two Settlement Points
• Includes:
• MW Quantity
• (Sink – Source) price buyer is willing to pay
DAM PTP Obligation Bid
Day-Ahead Market Point-to-Point Obligations
SourceSettlement
Point
SinkSettlement
Point
PTP Obligation
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DAM Pricing and Awards• MIS Postings• Settlements• Credit
Day-Ahead Market Results
Day-Ahead Market Point-to-Point Obligations
Day-AheadMarket
PTP Obligation Bids
Energy Bids and Offers
Credit Limits
Day-AheadNetwork Model
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• How to acquire PTP Obligations in the Day-Ahead Market
• How PTP Obligations in the Day-Ahead are different from and similar to CRRs acquired in the Auction
In this module, you’ve learned about:
Module Summary
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Module 5
Credit Limits
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• Recognize how a company establishes available credit
• Explain the process of allocating credit for a CRR Auction
• Describe how credit is utilized in the CRR Auction
• Recognize how credit is shared between QSEs and CRR Account Holders
Upon completion of this module, learners will be able to:
Module Objectives
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• Entity that is also a QSE and/or a CRR Account Holder
• Responsible for managing Available Credit
Introducing ... The Counter-Party
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Available Credit
CreditExposure
UnsecuredCredit
SecuredCollateral
AvailableCredit
Counter-Party posts Secured Collateral to
make credit available to its QSEs and CRR Account Holders
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CRR Auction Inputs
Available Credit
Bids
Offers
CRR ModelAllocated PCRRs
Previously Awarded CRRsCredit Limits
CRR AuctionEngine
Credit limit acts as budget constraint
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Available Credit
CreditExposureQSE CreditExposureUnsecured
Credit
SecuredCollateral
AvailableCredit
QSE Credit Exposure satisfied by Secured and
Unsecured Credit
CRR CreditExposure
Credit Exposure from owning CRRs satisfied
only by Secured Collateral
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ERCOT Calculates Counter-Party’s Available Credit Limit for CRR Auction (ACLC)
CRR Auction Credit Limit
QSE CreditExposure
SecuredCollateral
AvailableCredit
CRR CreditExposure
Counter-Party allocates up to 90% to CRR Account Holder(s)
Secured Collateral consumed by QSE
AvailableCreditLimit
(ACLC)
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• ERCOT calculates ACLC for Counter-Party
• Counter-Party must set a Credit Limit for the Auction for their CRR Account Holder to participate
Budget Constraint in CRR Auction
Utilizing Available Credit
90%
ACLC
CP CreditLimit
Counter-Party must lock credit by close of the Bid
Window for the CRR Auction
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• Counter-Party must set a Credit Limit for the Auction for their CRR Account Holder to participate
• CRR Account Holder may assign a self-imposed Credit Limit
Budget Constraint in CRR Auction
Utilizing Available Credit
90% CP CreditLimit
ACLC
AuctionLimit
CRR AH Self-Imposed
The Counter-Party credit limit determines how much credit
is locked for the auction.
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• Counter-Party must lock credit separately for each Auction in the sequence
• Counter-Party must lock credit separately for each Time-of-Use (TOU)
Special Rules for Long-Term Auction Sequence
Utilizing Available Credit
90% CP CreditLimit
ACLC
AuctionLimit
CRR AH Self-Imposed
For credit-lock deadlines, refer to CRR Activity
Calendar on ercot.com
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Credit is consumed as follows:
• PTP Options Bids: Volume * Bid price
• PTP Obligation Offers: Volume * Min (0, Offer price)
• PTP Obligation Bids: Volume * (Bid price + Path-Specific Adders)
Credit Consumption in CRR Auction
Utilizing Available Credit
90% CP CreditLimit
ACLC
AuctionLimit
CRR AH Self-Imposed
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• Calculated for each source/sink pair
• Three year look-back
Path-Specific DAM-Based Adder for PTP Obligation Bids
Utilizing Available Credit
ci99 = 99th percentile Confidence Interval
-$14
-$12
-$10 -$8
-$6
-$4
-$2
$0 $2 $4 $6 $8$1
0
Occ
urre
nces
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Auction PTP Obligation Credit Requirement (AOBLCR)
Utilizing Available Credit
AOBLCR = BOBLMW * Max(0, BPOBL − Min(0, Aci99, ACP))
WhereBOBLMW = (Potentially) Awarded PTP Obligation BPOBL = Bid Price for PTP ObligationACP = Auction Clearing Price (Most recent)
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• Like credit constraint except calculated with Bid Volumes rather than Awarded Volumes
• If exposure < CP Credit Limit, then Limit is ignored
• If exposure < Self-Imposed Credit Limit, then Limit is ignored
Credit Pre-Screening for CRR Auction
Utilizing Available Credit
90% CP CreditLimit
ACLC
AuctionLimit
CRR AH Self-Imposed
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CRR Account Holder sets a self-imposed credit limit of $50,000 and submits bids for a Monthly CRR Auction
Scenario 1
Utilizing Available Credit
• 100 MW PTP Options from A to B• $1000 Bid Price
Auction awards them 50MW @ $20
What happened?
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CRR Account Holder sets a self-imposed credit limit of $18,000 and submits bids for a Monthly CRR Auction
Scenario 2
Utilizing Available Credit
• 100 MW PTP Obligations from D to C• $180 Bid Price
Auction awards them 90MW @ -$20
What happened?
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The Rest of the Credit Picture
CounterParty
CRRAccount
HolderQSE
Maintains Secured Collateral with ERCOT
Day-Ahead Market
Credit Limit
CRR Auction
Credit Limit
Available credit is shared
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ERCOT Calculates Counter-Party’s Available Credit Limit for DAM (ACLD)
Day-Ahead Market Credit Limit
QSE CreditExposureUnsecured
Credit
SecuredCollateral
AvailableCreditLimit
CRR CreditExposure
(ACLD)
Credit lockedfor Auction
ACLDQSE gets 90%
of ACLD as DAM Credit Limit
QSE gets 90% of ACLD as
DAM Credit Limit
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Buying PTP Obligations in DAM?
Credit Limits
Day-AheadMarket
PTP Obligation Bids
Energy Bids and Offers
Credit Limits
Day-AheadNetwork Model
Credit limit acts as budget constraint
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• How a company establishes available credit
• The process of allocating credit for a CRR Auction
• How credit is utilized in the CRR Auction
• How credit is shared between QSEs and CRR Account Holders
In this module, you’ve learned about:
Summary
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Module 6
CRR Settlements
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• Identify the settlements associated with buying, owning and selling CRRs
• Describe the flow of money in the CRR Auction and for settlements of CRRs in the Day-Ahead Market
• Explain how ERCOT uses the CRR Balancing Account
• Identify the settlements associated with buying PTP Obligations in DAM
• Describe the flow of money for DAM PTP Obligations
Upon completion of this module, learners will be able to:
Module Objectives
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Three Settlement Processes
• CRR Auction Settlement
• Day-Ahead Market
• Settlement of CRRs
• Shortfall Charges
• CRR Balancing Account
CRR Settlements
Financial Impacts: Allocation, Auction & Bilateral Trades
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CRR Auction Settlement Timeline
CRR Auction Settlement
Auction Completed Day 1* Day 3** Day 4**
Auction Invoice
PaymentsDue to ERCOT
PaymentsDue to CRR Account Holders
Auction Results
Day 2**
** Bank Business Day
*** ERCOT Business Day and Bank Business Day
* ERCOT Business Day
Day 5***
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Charges and Payments for CRR Auction
CRR Auction Settlements
CRRAuctionSettlement
Charge for awarded CRR Bid
= (Price) * (CRRs) * (TOU Hours)
Payment for awarded CRR Offer
= (-1) * (Price) * (CRRs) * (TOU Hours)
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CRR Auction Settlements
CRRAuctionSettlement
CRRAH1 is awarded on a PTP Option bid:
• 20 MWs • Peak WD (5x16)• Price of $5/MW• 320 hr in February
• For one hour:
(Price) * (CRRs)($5/MW) * (20 MW) = $100
• For entire TOU block:
$100 * 320 = $32,000
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Collection of Auction Revenues
CRR Auction Money Flow
• PCRR Revenues• Charges for
Awarded CRR Bids
Payments for Awarded CRR Offers
• Payments for Awarded CRR Offers
• Payments for Awarded CRR Bids
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• Revenues from Intra-Zonal* CRRs are distributed by Zonal Load Ratio Share
• Revenues from Inter-Zonal* CRRs are distributed by ERCOT-wide Load Ratio Share
Distribution of Auction Revenues
CRR Auction Money Flow
Paid to QSEs representing Load
Distribution occurs once a month.
*Based on 2003 Congestion Management Zones
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CRRs Settled in the Day-Ahead
Day-Ahead Settlement of CRRs – Money Flow
Calculated hourly
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
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QuantityPrice
Payment for CRRs Settled in Day-Ahead
QuantityPrice
Target Payment
( )*( )
Payment to CRR Owners
Quantity: MW of CRRs owned on path
Price: DASPPsink − DASPPsource
Per hour
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Payment for CRRs Settled in Day-Ahead
QuantityPricePrice Quantity( )*( )
Payment to CRR Owners
Per hour
• Only results in a payment
• If price is negative, there is no charge
PTP Options
Target Payment
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Payment for CRRs Settled in Day-Ahead
Payment to CRR Owners
$16
CRR Account Holder owns 2 MWs of PTP Options between Source A and Sink B.
A B$12 / MWh $20 / MWh
$8/MWh 2MW( )*( )Per hour
PTP Options
= ?QuantityPrice
Target Payment
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Payment for CRRs Settled in Day-Ahead
Payment to CRR Owners
• Results in a payment or charge
PTP Obligations
Price Quantity( )*( )Per hour
Target Payment
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CRR payments may be derated if:
• Transmission elements are oversold
• The Target Payment is a positive value
• CRR source or sink is a Resource Node
Reduced CRR Payments
Payment for CRRs Settled in Day-Ahead
Payment to CRR Owners
Source j Sink k
Resource Node
Load Zone
CRR
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• Developed daily
• Reflects forecasted transmission system for the next day
• Updated with scheduled outages and forecasted system conditions
Deration of CRRs
Payment for CRRs Settled in Day-Ahead
Day-Ahead Network
Operations Model
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Deration of CRRs
Payment for CRRs Settled in Day-Ahead
Day-Ahead Simultaneous Feasibility Test
Prior to Day-Ahead Market
Day-Ahead Network
Operations Model
• Executed daily
• Verifies feasibility of CRRs sold in Auction
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Deration of CRRs
Payment for CRRs Settled in Day-Ahead
Day-Ahead Simultaneous Feasibility Test
Transmission elements not oversold
• CRRs receive Target Payment
Transmission elements oversold
• CRRs may receive reduced payment
Day-Ahead Network
Operations Model
Prior to Day-Ahead Market
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Payment for CRRs Settled in Day-Ahead
Resource Node
Constraint
Minimal impact Minimal deration
Constraint
Resource Node
Significant impact Significant deration
Deration of CRRs is based on impact of Resource Node on constraints
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Hedge Value maintains value of CRR as Hedge
• Minimum Resource Price at source
• Maximum Resource Price at sink
Derating CRRs Reduces Gaming Opportunity
Payment for CRRs Settled in Day-Ahead
RESOURCE TYPE MINRESPRJ MAXRESPRK
Nuclear -$20/MWh $15/MWhCoal 0 $18/MWhSimple Cycle > 90MW FIP*10 FIP*14Combined Cycle > 90MW FIP*5 FIP*9Wind -$35/MWh 0
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Hedge Value Price
Payment for CRRs Settled in Day-Ahead
HV PRICE = Max (0, MAXRESPR sink – DASPP source)
HV PRICE = Max (0, MAXRESPR sink – MINRESPR source)
HV PRICE = Max (0, DASPP sink – MINRESPR source)
Source Sink
Source Sink
Source Sink
CRR
CRR
CRR
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Payment for CRRs Settled in Day-Ahead
Payment to CRR Owners
Target Payment < Hedge Value
CRR Owner receives Target Payment
Hedge Value < Target Payment
CRR Owner receives Hedge Value or a deratedpayment, whichever is greater
Hedg
e Va
lue
Targ
et P
aym
ent
Hedg
e Va
lue
Targ
et P
aym
ent
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Day-Ahead Market Congestion Rent
Day-Ahead Settlement of CRRs – Money Flow
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
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Day-Ahead Market Congestion Rent
Day-Ahead Settlement of CRRs – Money Flow
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
Some hours there is more Congestion Rent collected than needed to pay CRR Owners
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Day-Ahead Market Congestion Rent
Day-Ahead Settlement of CRRs – Money Flow
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
Occurs hourly
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Day-Ahead Market Congestion Rent
Day-Ahead Settlement of CRRs – Money Flow
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
Some hours there is not enough Congestion Rent to pay CRR Owners
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Shortfall Charge for CRRs Settled in Day-Ahead - Activity
Short-pay to CRR Owners
Hour Ending 1300Total CRR Target Payment $20 Million
Congestion Rent Collected $19 Million
CRR Shortfall for the hour $1 Million
CRR Owner’s Target Payment $2 Million
CRR Owner’s Share of Total Payment 0.1
CRR Owner’s Shortfall Charge $100,000
( )CRR OwnerTarget
Payment
Total CRR Target Payments
for hour/*( )Total CRR Shortfall
Shortfall Charge =
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CRR Balancing Account Fund
CRR Rolling Balancing Account
Payment due toCRR Account Holders
Pay to QSEs representing Load
Monthly
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Payment due toCRR Account Holders
CRR Rolling Balancing Account
Monthly
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Payment due toCRR Account Holders
CRR Rolling Balancing Account
Monthly
X
may remain short paid
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QuantityPrice
Charge for DAM PTP Obligation Bids
PTP Obligations Bought in the Day-Ahead Market
Charge to QSE in DAM
QuantityPrice( )*( )
Quantity: MW of PTP Obligations awarded on path
Price: DASPPsink − DASPPsource
Per hour
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PTP Obligations Settled in the Day-Ahead Market
Cleared PTP Obligation Bids in the Day-Ahead Market
Payment due to CRR Account Holders(Target Payment)
• Charges for Cleared DAM Energy Bids
• Charges for Cleared DAM PTP Obligation Bids
• Payments for Cleared DAM Energy Offers
• Payments for Cleared DAM PTP Obligation Bids
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Price Quantity
Payment for DAM PTP Obligations
PTP Obligations Bought in the Day-Ahead Market
Payment to QSE in Real-Time
QuantityPrice( )*( )
Quantity: MW of DAM PTP Obligations owned on path
Per hour
Price: RTSPPsink − RTSPPsource( )/ 44
1iΣ=
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• Settlements associated with CRRs
• The flow of money related to CRRs in the ERCOT Markets
• The CRR Balancing Account
• Settlements associated with DAM PTP Obligations
• The flow of money related to DAM PTP Obligations
In this module, you’ve learned about:
Module Summary
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Course Conclusion
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• Requirements to participate in the CRR market
• CRR Market processes
• Possible financial outcomes of CRRs in the ERCOT markets
In this course, you’ve learned about:
Course Summary
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ERCOT Protocolshttp://www.ercot.com/mktrules/nprotocols/
ERCOT Account Management [email protected]
ERCOT Traininghttp://www.ercot.com/services/training/
ERCOT Market Education [email protected]
Accessing additional information
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CRR MARKET USER INTERFACE TRAINING
ALSO AVAILABLE ON THE ERCOT LEARNING MANANGMENT SYSTEM
(https://www.ercottraining.com)Working With Auction Portfolios
PCRR Nominations
CRR Messages
Downloading CRR Files
Managing Credit (Assigning Credit Limits)
Bilateral Market Trades
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Scan this QR code to take the course survey!
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