Credit Management - Electric Reliability Council of Texas€¦ · •Summarize the credit...
Transcript of Credit Management - Electric Reliability Council of Texas€¦ · •Summarize the credit...
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ERCOT MARKET EDUCATION
Credit Management
2019_06 Credit Management
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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
Housekeeping
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• Restrooms
• Refreshments
• Attendance sheet
• Questions
Housekeeping
Please turn off cell phones
& other electronics
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Course Introduction
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• This course is intended for personnel responsible for
meeting ERCOT creditworthiness requirements at their
companies.
• Includes companies registered as Qualified Scheduling
Entities and CRR Account Holders
Course Audience
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• Describe the impacts of common business activities on
credit exposure
• Define the types of Financial Security acceptable to ERCOT
• Illustrate how ERCOT calculates Available Credit Limits
• Summarize the credit management processes in ERCOT’s
markets
• Locate and utilize various credit reports from the Market
Information System.
Upon completion of this course, you should be able to:
Course Objectives
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Course Modules
Overview1
2 Establishing and Maintaining Creditworthiness
3 Credit Exposure from Market Activities
4 Determining Available Credit Limits
5 Credit Processes
6 MIS Credit Reports
Modules in this course include:
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Module 1
Overview
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• The ERCOT Market Environment
• Qualified Scheduling Entities
• CRR Account Holders
• The Counter-Party
• Creditworthiness requirements
• Allocation of credit by Counter-Party
Topics in this module ...
Module Topics
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The ERCOT Market Environment
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The ERCOT Market Environment
Qualified Scheduling Entities
• Settle financially with ERCOT
• Must meet creditworthiness
requirements
* ERS-only QSEs are exempt from creditworthiness requirements
*
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The ERCOT Market Environment
CRR Account Holders
• Settle financially with ERCOT
• Must meet creditworthiness
requirements
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• Entity that is also a QSE and/or a CRR Account Holder
• Responsible for meeting Creditworthiness requirements
Introducing ... The Counter-Party
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A Counter-Party must maintain posted Financial Security
at or above Total Potential Exposure
minus Unsecured Credit Limit
Creditworthiness Requirements
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
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• Estimated liabilities from various market activities
• Future Credit Exposure from Congestion Revenue Rights
(CRRs)
Total Potential Exposure (TPE)
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
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• Based on ERCOT Creditworthiness Standards
• Determined from Counter-Party financial statements
and credit ratings
• Updated periodically by ERCOT
Unsecured Credit Limit
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
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• Collateral posted by Counter-Party
• ERCOT Protocols define the acceptable forms1
Financial Security
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
1 Protocol 16.11.3
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Available Credit?
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
Minimum
Financial Security
beyond minimum
provides available
credit for daily ERCOT
market activities
Financial
Security
Available
Credit
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• Congestion Revenue Rights Markets
(CRR Auction, CRR Trades)
• Day-Ahead Market (DAM)
Available Credit Limits are used in:
Available Credit
Available Credit Limit Reports posted by ERCOT
• Calculated daily
• Twice on business days
• Once on weekends and holidays
• Posted to MIS1 Certified Area
1 Market Information System
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Allocation of Credit
Counter
Party
CRR
Account
HolderQSE
Maintains Financial
Security with ERCOT
Day-Ahead
Market
Credit Limit
CRR
Auction
Credit Limit
Available credit is shared
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Module 2
Establishing and Maintaining
Creditworthiness
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• Credit Application
• Financial statement requirements
• Setting a Counter-Party’s Unsecured Credit Limit
• Types of Financial Security
Topics in this module ...
Module Topics
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• Establish initial values for credit calculations
• Post sufficient Financial Security
New QSE or CRR Account Holder?
Establishing Creditworthiness
Where do I
start?
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• Calculated by ERCOT
• Based on data from Credit Application
Establishing Initial Values
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
Minimum
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Submitting Credit Application
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• Load
• Daily average MWhs
• Percentage to be purchased in Real-time
• Estimated number of ESI IDs
• Generation
• Daily average MWhs
• Percentage to be sold Bilaterally
Requires estimates to calculate TPE:
Submitting Credit Application
Total
Potential
Exposure
(TPE)
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• Two years of annual statements, if available
• Audited statements preferred
• Unaudited or quarterly statements may suffice
• Subsequent quarterly statements helpful
Requires Financial Statements as attachments
Submitting Credit Application
Used to determine the
Unsecured Credit Limit
Unsecured
Credit Limit
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• Publicly held
• Privately held
• Municipally-Owned Utility and Electric Co-operatives
In General,
Setting the Unsecured Credit Limit
Total Assets
Total LiabilitiesSome percentage as
Unsecured Credit Limit
Actual methodology varies by nature of company
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For companies with Tangible Net Worth > $100 Million:
Setting the Unsecured Credit Limit
Total Assets
Total Liabilities +
Intangible AssetsTangible
Net Worth
Up to 3% as Unsecured Credit Limit
if publicly rated
Up to 1.8% as Unsecured Credit Limit
if privately held and not publicly rated
Unsecured Credit Limit
may not exceed $50 Million
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• Tangible Net Worth < $100 Million, or
• Not publicly rated
For Municipally-Owned Utilities and Co-operatives:
Setting the Unsecured Credit Limit
Total Secured Debt Up to 5% as Unsecured Credit Limit
Total Assets
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• Guarantee Agreement
• Letter of credit
• Surety bond
• Cash deposit
Types of Financial Security
Posting Financial Security
Unsecured
Credit Limit
Financial
Security
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• Provided from
another entity
• Based on their
Unsecured Credit
Limit
Guarantee Agreement
Posting Financial Security
Unsecured
Credit LimitUnsecured
Credit Limit
Limited to $50 Million
• per Counter-Party
• per Guarantor
Guarantee Financial
Security
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• Guarantee Agreement
• Letter of credit
• Surety bond
• Cash deposit
Types of Financial Security
Posting Financial Security
Unsecured
Credit Limit
Financial
Security
Considered
“Secured Collateral”
Secured
Collateral
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Posting Financial Security
Secured Collateral Description Limit
Letter of Credit
• Unconditional
• Irrevocable
• Names ERCOT as
beneficiary
Subject to credit
rating of issuer
Surety Bond
• Issued by insurance
company
• Names ERCOT as
beneficiary
$10 Million per
Counter-Party
per issuer
Cash Deposit
• Deposited in account
designated by ERCOT
• May bear interest payable
to Counter-Party
None
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Counter-Party EZrisk submits a credit
application. Based on the information provided,
ERCOT determines the following:
• Total Potential Exposure = $12 Million
• Unsecured Credit Limit = $1 Million
Scenario 1
Establishing Creditworthiness
$11 Million
No. $10 Million Limit
Financial
Security
Unsecured
Credit
Limit
Total
Potential
Exposure
(TPE)
What is the minimum Financial Security the
Counter-Party must post to enter the market?
Can EZrisk provide all their Financial
Security with a single Surety Bond?
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• Unsecured Credit Limit subject to change
• Total Potential Exposure changes with Market Activities
Managing creditworthiness is an ongoing process
Maintaining Creditworthiness
Financial
Security
Unsecured
Credit Limit
Total
Potential
Exposure
(TPE)
Minimum
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• Counter-Party’s financial condition may change
• Financial statements must be updated
Unsecured Credit Limit subject to change
Maintaining Creditworthiness
Financial Statement
Income
Balance Sheet
Cash Flows
• Annual audited
• Quarterly unaudited
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Total Potential Exposure changes with Market Activities
Maintaining Creditworthiness
Trades
DAM
Real-Time
CRRs
Total
Potential
Exposure
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Module 3
Credit Exposure from
Market Activities
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• Review of Market Activities
• Details of Total Potential Exposure
• Future Credit Exposure from owning Congestion
Revenue Rights (CRRs)
• Estimated Settlement exposure from various market
activities
Topics in this module ...
Module Topics
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Market Activities – A Review
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Market Transactions for Energy and Ancillary Services
Bilateral Trades
Day-Ahead Market
Real-Time Market
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• Energy Trades
• Ancillary Service Trades
Trade Settlements
• QSEs settle with each other
• Both QSEs must report trades to ERCOT to impact
ERCOT Settlements
Arranged between QSEs
Bilateral Trades
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• Buy and Sell Energy
• Sell Ancillary Services to ERCOT
DAM Settlements
• Buyers
• Pay Day-Ahead Market price
• Receive MW credit in Real-Time
• Sellers
• Are paid Day-Ahead Market price
• Incur MW obligation in Real-Time
QSEs Participate in Day-Ahead Market (DAM)
DAM Settlements
TOMORROWTODAY
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• Are price takers
• Pay for energy not previously
purchased through Trade or DAM
QSEs Representing Load
• Settled for difference between
Real-Time Load and Trade or
DAM transactions
• Settle with Load Serving Entities
Loads in Real-Time
Real-Time Settlements
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• Set prices
• Are paid for energy not previously
sold through Trade or DAM
QSEs Representing Resources
• Settled for difference between Real-
Time production and Trade
or DAM transactions
• Pay for infeasible Ancillary Services
• Settle with Resource Entities
Resources in Real-Time
Real-Time Settlements
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• Payments due
• Charges incurred
Day-Ahead Market Settlement Statements
Settlement Timelines
OperatingDay
Day 2Day Ahead
DAM Statement
Day 1
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• Payments due
• Charges incurred
Real-Time Market Settlement Statements
Settlement Timelines
Day 180Operating Day
Day 5
Initial Statement
Final Statement
True-Up Statement
Day 55
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Single Daily Settlement Invoice
Settlement Timelines
InvoiceDay + 2
InvoiceDay + 3
InvoiceDay
17001700
ERCOT Issues Invoice• DAM • RTM Initial• RTM Final• RTM True-up
Payment Due to ERCOT
Payment Due to Market Participant
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Congestion Costs
Resource Node
$30/MWh
$30/MWh
$30/MWh
Hub
Load Zone
$40/MWh
$50/MWh
$25/MWh
Price separation across
the grid exposes buyers
and sellers of energy to
Congestion Costs
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• Financial instruments for hedging congestion
costs in Day-Ahead Market
• Pay owner sink-minus-source price difference
Congestion Revenue Rights (CRRs)
Hedging Congestion Costs
Source
Hub
Sink
$40/MWh
$50/MWh
$25/MWh
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Hedging Congestion Costs
Point-to-Point Congestion
Revenue Rights
Two Types of CRRs:
• Point-to-Point Options can only
result in a payment
• Point-to-Point Obligations can
result in a payment or charge
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• CRR Auction
• Allocation (Special Cases)
• Bilateral Trades
Three ways of acquiring CRRs:
Acquiring Congestion Revenue Rights
CRRs
Auction
Allocation
Trade
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• Monthly Auction
• Long-Term Auction Sequence
• Six successive auctions
• Six-month windows
• One window each month
Auctions take place twice per month:
Congestion Revenue Right Auctions
*Exact dates on CRR Activity Calendar - http://www.ercot.com/mktinfo/crr
Jan-June
July-Dec
Jan-June
July-Dec
Jan-June
July-Dec
July-Dec
Jan-June
July-Dec
Jan-June
July-Dec
Jan-June
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• Source/Sink Settlement Point pair
• Month or strip of consecutive months
• Time-of-Use Blocks
CRRs are auctioned by:
Congestion Revenue Right Attributes
Mon Tues Wed Thurs Fri Sat Sun
Off-Peak (0100 – 0600)
Peak Weekday (0700 – 2200)Peak Weekend
(0700-2200)
Off-Peak (2300 – 2400)
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CRR Auction Settlement Invoice
Settlement Timelines
Day 4 Day 5Day 1Auction Completed
ERCOT Issues Auction Invoice
ERCOT PostsAuction Results
17001700
Payment Due to ERCOT
Payment Due to CRR Account
Holder
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Total Potential Exposure
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Two Flavors of Total Potential Exposure
Trades
DAM
Real-Time
CRRs
Total
Potential
Exposure
Total Potential Exposure Any
May be satisfied by any
form of Financial Security
or Unsecured Credit
Total Potential Exposure Secured
Must be satisfied by
Secured Collateral
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Total Potential Exposure Secured
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Total Potential Exposure Secured
Trades
DAM
Real-Time
CRRs
Total
Potential
Exposure
Secured
(TPES)
May also include an Independent
Amount for capitalization
TPES includes the
Future Credit Exposure
of Congestion Revenue
Rights owned by a CRR
Account Holder
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• Based on historical valuation
• Different methodology for options and obligations
Future Credit Exposure for CRRs
FCE = FCEOPT + FCEOBL
Projected over current month
and all future months
Projected over current month
and next month
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• Based on historical average prices
• Each path has its own value
Value = NAOPTMW * A
Future Credit Exposure for PTP Options (FCEOPT)
Where
NAOPTMW = Net Awarded PTP Options for
source-to-sink path
A = Path-Specific DAM-Based Adder (price)
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• Calculated for each source/sink pair
• Three year look-back
Path-Specific Adder
Future Credit Exposure for PTP Options (FCEOPT)
$0
$2
$4
$6
$8
$10
$12
$14
$16
$18
$20
$22
$24
Oc
cu
rren
ces
ci99 = 99th percentile
Confidence Interval
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Future Credit Exposure for PTP Options (FCEOPT)
FCEOPT = − NAOPTMW ∗ Max(0, Aci99)
Summed over
• All source/sink pairs
• Remaining TOU hours of current month
• TOU hours of next month (Prompt Month)
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Counter-Party EZrisk owns PTP Options
on two paths.
• Path P1: • 40 MW Peak Week-day• Aci99 = $0.05/MWh
• Path P2: • 10 MW Peak Week-day• Aci99 = $0.10/MWh
There are 80 Peak WD hours left in the
current month and 320 Peak WD hours
next month.
What is EZrisk’s FCEOPT?
Example 1
Calculating Future Credit Exposure for PTP Options
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Example 1
Calculating Future Credit Exposure for PTP Options
Working Space
FCEOPT = − [(40MW * $0.05/MWh * 400h)
+(10MW * $0.10/MWh * 400h)]
= − [$800 + $400]
= − $1200
Bonus Question:
What does a negative exposure mean?
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• Volume-weighted average price
• Based on historical CRR path values
– OR –
Portfolio Weighted Auction Clearing Price (PWACP)
• Volume-weighted average price
• From most recent Auction
Portfolio Weighted Adder (PWA)
Future Credit Exposure for PTP Obligations (FCEOBL)
. . . whichever results in highest risk
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• Monthly average price
• Three-year look-back
Portfolio Weighted Adder (PWA)
Future Credit Exposure for PTP Obligations (FCEOBL)
-$1
4
-$1
2
-$1
0
-$8
-$6
-$4
-$2
$0
$2
$4
$6
$8
$10
Oc
cu
rren
ces
ci100 = 100th percentile
Confidence Interval
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Future Credit Exposure for PTP Obligations (FCEOBL)
Where NAOBLMW = Net Awarded PTP Obligations for Portfolio
FCEOBL = NAOBLMW ∗ (−Min(0, PWAci100, PWACP))
Summed over
• All hours of current month
• All hours of next month (Prompt Month)
• All hours of Forward Months
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Counter-Party EZrisk owns PTP Obligations for
the current and upcoming months. All their PTP
Obligations have had slightly positive values in
DAM for the past three years.
In the most recent monthly auction, several PTP
Obligation paths cleared at slightly negative
prices.
• PWA = $0.0938
• PWACP = ($0.1012)
Scenario 2
Future Credit Exposure for PTP Obligations (FCEOBL)
Does EZrisk have a Future Credit Exposure
from these PTP Obligations?
Yes! PWACP wins out.
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Putting it all together,
Future Credit Exposure
FCE = FCEOPT + FCEOBL
Credit for PTP Options offsets the
exposure of PTP Obligations
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TPES = Max [0, FCE]
Total Potential Exposure Secured
Trades
DAM
Real-Time
CRRs
Total
Potential
Exposure
Secured
(TPES)
May also include an Independent
Amount for capitalization
TPES = Max [0, FCE] + IA
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• $10 Million total assets, or
• $1 Million in
• Unencumbered assets for Munis and Co-ops
• Tangible net worth for all others
Participation in everything but CRR
• $5 Million total assets, or
• $500,000 in
• Unencumbered assets for Munis and Co-ops
• Tangible net worth for all others
Participation in all markets
Capitalization Criteria
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• $500,000 for participation in all markets
• $200,000 for participation in everything but CRR
If Counter-Party does not meet capitalization criteria,
Independent Amount shall be
Independent Amount
ERCOT may also include
an Independent Amount
because of a material
change in Counter-Party’s
financial condition
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Counter-Party EZrisk owns both PTP
Obligation and Options.
At close of business today:
• FCEOPT = − $1200
• FCEOBL = $2600
EZrisk meets the capitalization criteria for
participation in all markets.
What is EZrisk’s TPES?
Example 2
Calculating Total Potential Exposure Secured
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Example 2
Calculating Total Potential Exposure Secured
Working Space
FCE = FCEOPT + FCEOBL
= -$1200 + $2600
= $1400
TPES = Max [0, FCE] + IA
= Max [0, $1400] + $0
= $1400
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Total Potential Exposure Any
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Total Potential Exposure Any
Trades
DAM
Real-Time
CRRs
TPEA is based on the
settlement impact from
various market activities
Total
Potential
Exposure
Any
(TPEA)
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Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
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Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
Estimated Aggregate Liability (EAL) is
based on historical market behaviors
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Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
Minimum Current Exposure (MCE)
creates a floor for credit exposure
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Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
Potential Uplift (PUL) captures risk of
market uplifts from short payments
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Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
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Two categories of QSE Estimated Aggregate Liability
Estimated Aggregate Liability for QSEs
QSE
Estimated
Aggregate
Liability
QSE
Estimated
Aggregate
Liability
(EALq)
QSE
Estimated
Aggregate
Liability
(EALt)
Counter-Parties
with Load and/or
Gen QSEs
Counter-Parties
with no Load and
no Gen QSEs
(Trade-Only)
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• Calculated for all QSEs represented by Counter-Party
• Addresses multiple types of risk
Estimated Aggregate Liability for QSEs (EALq)
Current Risk (Billed & Unbilled)
Future Risk (Real-Time & Day-Ahead)
POLR Mass-Transition Risk
QSE
Estimated
Aggregate
Liability
(EALq)
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A Couple of Multipliers
Factors Purpose Value
M1 Projecting
Future Risk
M1 = M1a + M1b
M1a = Termination Time upon default
= 12 Days
M1b = Mass Transition time for QSEs
with Load
= 3 to 8 Days
M2 Estimating
Current Risk
M2 = Maximum Operating Days complete,
but unbilled
= 9 Days
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Future Risk
• Operating Days yet to come
• Historical behaviors
• Historical and forward prices
MT Risk
Current
Risk
MT Risk
Current
Risk
Future
RiskQSE
Estimated
Aggregate
Liability
(EALq)
Initial Estimated Liability (New CPs)-or-
RFAF * Max Real-Time Liability Extrapolated-or-
Real-Time Liability Forward
DFAF *
Day-Ahead
Liability
Extrapolated
+Max
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• Based on estimates from Credit Application
• Daily Estimated Load (MWhs)
• Percentage to be purchased in Real-time
• Daily Estimated Generation (MWhs)
• Percentage to be sold bilaterally
Initial Estimated Liability (IEL)
Future Risk
IEL
RF
AF
* M
ax R
TL
ER
FA
F *
Ma
x R
TL
E
RT
LF
RT
LF
DF
AF
* D
AL
ED
FA
F *
DA
LE
+
Max
Future Risk
Used during first 40 days of
activity in ERCOT
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Future Risk
QSE Type Initial Estimated Liability (IEL)
Load IEL = DEL * Max [0.2, RTEFL] * RTAEP * (M1 + M2)
Resource IEL = DEG * Max [0.2, RTEFG] * RTAEP * (M1 + M2)
Load &
Resource
IEL = DEL * Max [0.1, RTEFL] * RTAEP * (M1 + M2)
+ DEG* Max [0.1, RTEFG] * RTAEP * (M1 + M2)
DEL Daily Estimated Load
RTEFL Real-Time Energy Factor for Load
DEG Daily Estimated Generation
RTEFG Real-Time Energy Factor for Generation
RTAEP Real-Time Average Energy Price (HB_HUBAVG)
Volume Price No. of Days
Volume Price No. of Days
Volume Price No. of Days
QSE Type Initial Estimated Liability (IEL)
Load IEL = DEL * Max [0.2, RTEFL] * RTAEP * (M1 + M2)
Resource IEL = DEG * Max [0.2, RTEFG] * RTAEP * (M1 + M2)
Load &
Resource
IEL = DEL * Max [0.1, RTEFL] * RTAEP * (M1 + M2)
+ DEG* Max [0.1, RTEFG] * RTAEP * (M1 + M2)
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Counter-Party EZrisk just entered the
market.
• From their Credit Application:
• Daily Estimated Load = 12,000MWh
• Percentage Purchased in Real-Time = 50%
• Daily Estimated Generation = 12,000MWh
• Percentage sold Bilaterally = 50%
• Other information:
• M1 = 16
• M2 = 9
• RTAEP = $40/MWh
What is EZrisk’s Initial Estimated Liability?
Example 3
Calculating Initial Estimated Liability (IEL)
![Page 91: Credit Management - Electric Reliability Council of Texas€¦ · •Summarize the credit management processes in ERCOT’s markets •Locate and utilize various credit reports from](https://reader036.fdocuments.us/reader036/viewer/2022081405/5f06d3db7e708231d419ef8a/html5/thumbnails/91.jpg)
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Example 3
Calculating Initial Estimated Liability (IEL)
DEL * Max[0.1, RTEFL] * RTAEP * (M1+M2)
+ DEG * Max[0.1, RTEFG] * RTAEP * (M1+M2)
= 12,000MWh* Max[0.1, 0.5] * $40/MWh * 25
+ 12,000MWh* Max[0.1, 0.5] * $40/MWh * 25
= 12,000MWh * 0.5 * $1000/MWh
+ 12,000MWh * 0.5 * $1000/MWh
= $12,000,000
Working Space
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• Based on actual Real-Time Settlements
• Average Initial Settlement
• 14 calendar day lookback
• Projected over M1 days
• Maximum risk over the
previous 40 days
Max Real-Time Liability Extrapolated (Max RTLE)
Future Risk
IEL
RF
AF
* M
ax R
TL
E
RT
LF
DF
AF
* D
AL
E
+
Max
Future Risk
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Real-Time Forward Adjustment Factor (RFAF)
Today
Historical Prices Forward Prices0
20
40
60
80
100
120
140
$/M
Wh
Real-Time Pricing at North Hub
14 Days 21 Days
RFAF =Forward Average Price
= 1.36Historic Average Price
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Real-Time Forward Adjustment Factor (RFAF)
Historical Prices Forward Prices0
50
100
150
200
250
300
$/M
Wh
Real-Time Pricing at North Hub
RFAF =Forward Average Price
= 0.93Historic Average Price
Today
14 Days 21 Days
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• Based on estimated Real-Time Settlements
• Net amount for most recent 7 Operating Days
‒ Actual for some days
‒ Estimates1 for others
• Adjusted by 150%
Real-Time Liability Forward (RTLF)
Future Risk
Captures recent trends
that diverge from
historical results
1 See Protocol Section 16.11.4.3.2 for details IE
L
RF
AF
* M
ax R
TL
E
RT
LF
DF
AF
* D
AL
E
+
Max
Future Risk
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96
• Based on actual Day-Ahead Market Settlements
• Average Day-Ahead Market Settlement
• 7 calendar day lookback
• Projected over M1 days
Day-Ahead Liability Extrapolated (DALE)
Future Risk
IEL
RF
AF
* M
ax R
TL
E
RT
LF
DF
AF
* D
AL
E
+
Max
Future Risk
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97
DAM Forward Adjustment Factor (DFAF)
Historical Prices Forward Prices0
20
40
60
80
100
120
140
$/M
Wh
DAM Pricing at North Hub
DFAF =Forward Average Price
= 1.29Historic Average Price
7 Days 21 Days
Today
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98
DAM Forward Adjustment Factor (DFAF)
Historical Prices Forward Prices0
20
40
60
80
100
120
140
$/M
Wh
DAM Pricing at North Hub
DFAF =Forward Average Price
= 0.97Historic Average Price
7 Days 21 Days
Today
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Counter-Party EZrisk has been in the
market for five months.
• Initial Estimated Liability = $12 Million
• Real-Time Liability Extrapolated peaked at $3
Million twenty days ago
• Real-Time Liability Forward = $1 Million
• Day-Ahead Liability Extrapolated = ($500,000)
• Real-Time Forward Adjustment Factor = 1.05
• Day-Ahead Forward Adjustment Factor = 1.10
What is EZrisk’s future risk in the EAL
calculation?
Example 4
Calculating Future Risk Portion of EAL for QSEs
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Example 4
Calculating Future Risk Portion of EAL for QSEs
Working Space
= Max
= Max [ (1.05 * $3M) or $1M ] + (1.1 * -$500,000)
= Max [ $3.15M or $1M ] ̶ $550,000
= $2.6 Million
IEL (First 40 days only)-or-
RFAF * Max RTLE-or-
RTLF
DFAF * DALE+Max
RFAF * Max RTLE-or-
RTLF+ DFAF * DALE
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101
Current Risk
• Estimates risk of completed
Operating Days where
settlement is not complete
• Unbilled
• Billed but unpaid
• Based on historical behaviors
Max Unbilled Real-Time Amount-or-
Real-Time Liability Completed
and Not Settled
Outstanding
Unpaid
Transactions+Max
MT RiskMT Risk
Future
Risk
Future
Risk
Current
Risk
QSE
Estimated
Aggregate
Liability
(EALq)
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• Based on actual Real-Time Settlements
• Average Initial Settlement
• 14 calendar day lookback
• Projected over M2 days
• Maximum risk over the
previous 40 days
Max Unbilled Real-Time Amount (Max URTA)
Current Risk
Ma
x U
RTA
RT
LC
NS
RT
LC
NS
OU
TO
UT+
Max
Current Risk
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• Based on estimated Real-Time Settlements
• Sum of net amounts for all Operating Days
Completed but not Settled
Real-Time Liability Completed and Not Settled (RTLCNS)
Current Risk
Ma
x U
RTA
RT
LC
NS
OU
T+
Max
Current Risk
Captures recent trends
that diverge from
historical results
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Outstanding Unpaid Transactions (OUT)
Current Risk
OIA Outstanding Invoice Amounts
UDAA Unbilled Day-Ahead Amounts
UFA Unbilled Final Amounts
UTA Unbilled True-up Amounts
CARD CRR Auction Revenue Distribution
OUTq = OIAq + UDAAq + UFAq + UTAq + CARD
Ma
x U
RTA
RT
LC
NS
OU
T+
Max
Current Risk
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Outstanding Unpaid Transactions (OUT)
Current Risk
Component Description
OIA Includes outstanding invoices of all types
UDAA Estimates1 for all Day-Ahead Markets that have not settled
UFA • Average RTM Final Settlement
• 21-day lookback
• Projected over 55 days
UTA • Average RTM True-up Settlement
• 21-day lookback
• Projected over 180 days
CARD Estimate of Counter-Party’s share of CRR Auction
Revenues already collected, but not paid out
1 See Protocol Section 16.11.4.3.1 for details
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Counter-Party EZrisk has been in the
market for five months.
• Unbilled Real-Time Amount peaked at
$1.7 Million twenty days ago
• Real-Time Liability Completed and Not Settled =
$1.5 Million
• Outstanding Unpaid Transactions
• Outstanding Invoice Amounts = $130,000
• Unbilled Day-Ahead Amounts = ($29,000)
• Unbilled Final Amounts = ($1000)
• CRR Auction Revenue Distribution = ($200,000)
What is EZrisk’s current risk in the EAL
calculation?
Example 5
Calculating Current Risk Portion of EAL for QSEs
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107
Example 5
Calculating Current Risk Portion of EAL for QSEs
= Max [ $1.7M or $1.5M] + $130,000
- $29,000 - $1,000 - $200,000
= $1.6 Million
Max URTA-or-
RTLCNSOUT+Max
Working Space
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108
POLR Mass Transition Risk
• Captures Incremental Load
Exposure for Provider of Last
Resort (POLR) in the event of
a Mass Transition
• Based on
• Number of ESI IDs
transitioned
• Pro-rata share of defaulting
Counter-Party’s RTLE
Future
RiskFuture
Risk
Current
RiskCurrent
Risk
MT Risk
QSE
Estimated
Aggregate
Liability
(EALq)
This adjustment remains in
place only until the Mass
Transition is complete
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109
Two categories of QSE Estimated Aggregate Liability
Estimated Aggregate Liability for QSEs
QSE
Estimated
Aggregate
Liability
(EALq)
QSE
Estimated
Aggregate
Liability
(EALt)
Counter-Parties
with Load and/or
Gen QSEs
Counter-Parties
with no Load
and/or Gen QSEs
(Trade-Only)
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• Calculated for all QSEs represented by Counter-Party
• Addresses multiple types of risk
Estimated Aggregate Liability for Trade-Only QSEs (EALt)
Current Risk (Billed & Unbilled)
Future Risk (Real-Time & Day-Ahead)
POLR Mass-Transition Risk
QSE
Estimated
Aggregate
Liability
(EALt)
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Future Risk for Trade-Only QSEs
• Operating Days yet to come
• Historical behaviors
• Historical and forward pricesCurrent
Risk
Current
Risk
Future
RiskQSE
Estimated
Aggregate
Liability
(EALt)
Initial Estimated Liability (New CPs)-or-
RFAF * Max Real-Time Liability Extrapolated-or-
Real-Time Liability Forward
DFAF *
Day-Ahead
Liability
Extrapolated
+Max
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112
• Based on actual Real-Time Settlements
• Average Initial Settlement
• 14 calendar day lookback
• Projected over M1 days
• Maximum risk over the
previous 40 days
Max Real-Time Liability Extrapolated (Max RTLE)
Future Risk for Trade-Only QSEs
RF
AF
* M
ax R
TL
E
RT
LF
DF
AF
* D
AL
E
+
Max
Future Risk
20 days
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113
• Based on actual Real-Time Settlements
• Average Initial Settlement
• 14 calendar day lookback
• Projected over M2 days
• Maximum risk over the
previous 40 days
Max Unbilled Real-Time Amount (Max URTA)
Current Risk for Trade-Only QSEs
Ma
x U
RTA
RT
LC
NS
RT
LC
NS
OU
TO
UT+
Max
Current Risk
20 days
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114
Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
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115
• Calculated for all CRR Account Holders represented by
Counter-Party
• Only one type of risk
Estimated Aggregate Liability for CRR AHs (EALa)
CRR AH
Estimated
Aggregate
Liability
(EALa)
Current Risk Outstanding
Unpaid
Transactions
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116
Outstanding Unpaid Transactions (OUT)
Current Risk
OUTa = OIAa + UDAAa
Component Description
OIA Outstanding Invoice Amounts
UDAA Unbilled Day-Ahead Amounts – Estimates1 for all Day-
Ahead Markets that have not settled
1 See Protocol Section 16.11.4.3.1 for details
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117
Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
Potential
Uplift+=
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118
Minimum Current Exposure
Max Wins!
Initial Minimum Current Exposure
Day-Ahead to Real-Time Risk
Generation Outage Risk
Minimum Load Exposure
Load vs. Generation vs. Trade Position
Minimum
Current
Exposure
(MCE)
2 days of exposure
1 day of exposure
1 day of exposure
5 days of exposure for Load QSE
2 days, otherwise
$40,500 for Trade-Only QSE
$0, otherwise
14 day lookback for Historic Data.
Generation discounted by 20%.
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119
Total Potential Exposure Any
Total
Potential
Exposure
Any
(TPEA)
+= Potential
Uplift
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120
ERCOT may have to uplift short paid amounts owed by
other Counter-Parties
Potential Uplift
Potential
Uplift
(PUL)
Potential Uplift includes proportional
amounts based on Counter-Party
activities
• Amount to be uplifted within one year
• 25% of amount on a payment plan due to
be repaid beyond one year
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121
Putting TPEA back together
TPEA = Max[0, MCE, Max[0, ((1-TOA)EALq + (TOA)EALt + EALa)]] + PUL
Trade-Only Activity flag
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122
Counter-Party EZrisk has been in the
market for five months.
• QSE Estimated Aggregate Liability
= $4.2 Million
• CRR AH Estimated Aggregate Liability
= ($10,000)
• Minimum Current Exposure = $940,000
• ERCOT has no outstanding short paid
amounts
What is EZrisk’s TPEA?
Example 6
Calculating Total Potential Exposure Any
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123
Example 6
Calculating Total Potential Exposure Any
= Max
= $4,190,000
0-or-
$940,000-or-
Max [0, ($4.2M - $10,000)]
$0+
0-or-
MCE-or-
Max [0, (EALq + EALa)]
PUL+MaxWorking Space
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Module 4
Determining Available Credit Limits
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• Calculating Available Credit Limits
• For CRR Auction
• For Day-Ahead Market
• How credit is shared between CRR Account Holders and
QSEs
Topics in this module ...
Module Topics
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126
Allocation of Credit
Counter
Party
CRR
Account
HolderQSE
Maintains Financial
Security with ERCOT
Day-Ahead
Market
Credit Limit
CRR
Auction
Credit Limit
Available credit is shared
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127
Available Credit
TPEA + 10%
TPES + 10%
Total
Potential
Exposure
(TPE)
Total
Potential
Exposure
+ 10%
MarkupUnsecured
Credit Limit
Secured
Collateral
Guarantees
Financial
Security
Available
Credit
Financial Security
beyond minimum
provides available
credit for daily ERCOT
market activities
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128
Available Credit
TPEA + 10%
Unsecured
Credit Limit
Available
CreditSecured
Collateral
Guarantees
TPES + 10%
Available credit is
shared by CRR Account
Holders and QSEs
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129
Available Credit Limit for the CRR Auction (ACLC)
TPES + 10%
TPEA + 10%
– UCL
– Guar.
Available
Credit
Limit
(ACLC)Secured
Collateral
CRR Auction Credit Limit:
CRR Trade
Exposure
Approved but
not complete
ACLC or
Requested limitMin
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130
Available Credit Limit for the DAM (ACLD)
Unsecured
Credit Limit
Guarantees
Secured
Collateral
Remainder
Collateral
Remainder Collateral:
Secured Collateral not consumed
by CRR-related activities
Secured Collateral, minus
• TPES
• CRR Trade Exposure
• Available credit locked for CRR
Auction
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131
Available Credit Limit for the DAM (ACLD)
TPEA + 10%
Unsecured
Credit Limit
Available
Credit
Limit
(ACLD)Remainder
Collateral
Guarantees
DAM Credit Limit
10% of TPES
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132
Counter-Party EZrisk has one CRR
Account Holder and one QSE. Their
credit stats so far:
• Unsecured Credit Limit = $1 Million
• Total Potential Exposure Secured = $1400
• Total Potential Exposure Any = $4.19 Million
• Posted Secured Collateral = $5 Million
• No CRR Trades outstanding
• No Guarantees
EZ risk locks $900,000 for the CRR Auction that
is about to start.
What is EZrisk’s ACLD for the next Day-Ahead
Market?
Example 7
Calculating Available Credit Limit for Day-Ahead Market
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133
Example 7
Calculating Available Credit Limit for Day-Ahead Market
Working Space
ACLD = (Remainder Collateral)
+ UCL – TPEA * 1.10 – TPES * 0.10
= (Secured Collateral – TPES – Locked)
+ UCL – TPEA * 1.10 – TPES * 0.10
= ($5M - $1400 - $900,000)
+ $1M - $4.19M * 1.10 - $1400 * 0.10
= $489,460
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Module 5
Credit Processes
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135
• Initial Credit posting for new Counter-Parties
• Requests for additional collateral
• Daily Credit cycle
• Payment Breaches and remedies
Topics in this module ...
Module Topics
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136
Initial Credit Posting
TPEA
TPES
Total
Potential
Exposure
(TPE)Unsecured
Credit Limit
Financial
Security
Available
Credit
Minimum
Prior to market entry,
Counter-Party must
post sufficient Financial
Security to meet 100%
of TPE
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137
• Expertise in Markets
• Market Operational Capabilities
• Allowable Participant
• Capitalization
• Risk Management Capabilities
Counter-Party must also certify compliance with the
following CFTC requirements:
Initial Credit Posting
Must recertify annually
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90% TPE Notifications
Unsecured
Credit Limit
Remainder
Collateral
Total
Potential
Exposure
Any
(TPEA)Guarantees
90%
ERCOT will use
reasonable efforts to
advise Counter-Party
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90% TPE Notifications
Secured
Collateral
Total
Potential
Exposure
Secured
(TPES)
90%
ERCOT will use
reasonable efforts to
advise Counter-Party
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Collateral Requests
Unsecured
Credit Limit
Remainder
Collateral Total
Potential
Exposure
Any
(TPEA)Guarantees
100%
ERCOT shall notify
Counter-Party of
additional Financial
Security due
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Collateral Requests
ERCOT shall notify
Counter-Party of
additional Secured
Collateral due
Secured
Collateral Total
Potential
Exposure
Secured
(TPES)
100%
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• Provide suitable Financial Security
• Post at least the required amount
• ERCOT must receive by COB on the second
Bank Business Day after notification
Counter-Party requirements after Collateral Request
Posting Additional Financial Security
Guarantor
Secured
Collateral
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The Daily Grind
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Daily Credit Cycle Timeline
0800 1030 1200 1500 1630 1730 1800 2000
Overnight Calculation
1. TPE & ACL calcs
2. Generate Reports
3. Identify Collateral
Need
4. 90% TPE
Notifications
Counter
Parties Credit Staff CMM
Prior to 0800
1
1 Credit Monitoring and Management
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Counter
Parties Credit Staff CMM
0800 1030 1200 1500 1630 1730 1800 2000
Daily Credit Cycle Timeline
0800
0800
1200
1. Receive Preliminary
Reports
2. Receive Collateral
Requests
3. Receive 90% TPE
notification
1. Review Preliminary
TPE & ACL Calcs
2. Post Preliminary
Reports
3. Send Collateral
Requests as needed
4. Send 90% TPE
Notifications
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Counter
Parties Credit Staff CMM
Daily Credit Cycle Timeline
1. Receive Preliminary
Reports
2. Receive Collateral
Requests
3. Receive 90% TPE
notification
1. Review Preliminary
TPE & ACL Calcs
2. Post Preliminary
Reports
3. Send Collateral
Requests as needed
4. Send 90% TPE
Notifications
1. Receive and Review
CRR Trades
2. Receive Invoices,
Statements &
Payments
1030
0800 1030 1200 1500 1630 1730 1800 2000
1200
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0800 1030 1200 1500 1630 1730 1800 2000
Counter
Parties Credit Staff CMM
Daily Credit Cycle Timeline
1. Review and
Approve CRR
Trades
2. Post Collateral
Payments
3. Perform Exposure
Adjustments as
needed
1500
1. Receive DAM
Estimates
1200
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0800 1030 1200 1500 1630 1730 1800 2000
Counter
Parties Credit Staff CMM
Daily Credit Cycle Timeline
1. Review Final TPE &
ACL Calcs
2. Send CRR Trade
Response
Intra-Day Calculation
1. TPE & ACL Calcs
2. Generate Reports
16301500
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0800 1030 1200 1500 1630 1730 1800 2000
Daily Credit Cycle Timeline
1. Send ACLC to CRR
2. Receive “Locked”
credit from CRR
1. Send ACLC to CRR
2. Receive “Locked”
credit from CRR
1. Lock Auction Credit
Limit in CRR System
1730
Counter
Parties Credit Staff CMM
1630
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150
0800 1030 1200 1500 1630 1730 1800 2000
Daily Credit Cycle Timeline
1800
Counter
Parties Credit Staff CMM
1. Send ACLD to DAM
2. Receive
Confirmation from
DAM
1. Send ACLD to DAM
2. Receive
Confirmation from
DAM
1730
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0800 1030 1200 1500 1630 1730 1800 2000
Counter
Parties Credit Staff CMM
Daily Credit Cycle Timeline
2000
1. Review and post
Final Reports
1. Receive Invoices,
Statements &
Payments
2. Receive RTM
Estimates
3. Receive CRR
Inventory
1. Receive Final
Reports
1800
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Payment Breaches and Remedies
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• Settlement Invoice
• Collateral Request
• Other ERCOT Invoices
Failure to pay an obligation when due is a Payment Breach
Payment Breach
ERCOT shall immediately
attempt to contact the
Market Participant
telephonically and by email
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• Settlement Invoice
• Collateral Request
• Other ERCOT Invoices
Becomes a Late Payment if cured within one Business
Day of Notification
Payment Breach
ERCOT shall track the
number of Late Payments in
each rolling 12-month Period
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• Settlement Invoice
• Collateral Request
• Other ERCOT Invoices
Becomes a Default if not cured within one Business Day
of Notification
Payment Breach
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• Hold any payments due
• Draw on Financial Security
• Forfeit awarded CRRs
• Repossess CRRs
• Revoke Market Participant’s
rights
• Terminate Market Participant’s
Standard Form Agreement
ERCOT may take several actions to remedy Defaults
Remedies for Defaults
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Remedies for Late Payments
Circumstance Options Enforcement
First Late Payment*• No action
• Level I Enforcement
Level I
Financial Security
at or above
110% * (TPE – UCL)
Second Late Payment*
• Level I Enforcement,
if not there already
• Level II Enforcement
Level II
Cash or Letter of Credit
at or above
110% * (TPE – UCL)
Third Late Payment*
• Level II Enforcement,
if not there already
• Level III Enforcement
Level III
Last chance warning
Fourth Late Payment* Termination
* In any rolling 12-month period
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Module 6
MIS Credit Reports
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• Keeping track of it all
• Available Credit Reports on MIS
• Details of Credit Reports
Topics in this module ...
Module Topics
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Keeping Track of it All
MIS
Credit Reports
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ACL Summary Reports
ACLC
ACLD
Calculation
Components
Prepay
Summary
Posting frequency• Twice per
Business Day• Once per non-
Business Day
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• NPRR 702 provides rules
• Implementation date TBD
Flexible Accounts
Prepay Summary
For current Prepay account
practices, please contact your
ERCOT Account Manager or
the ERCOT Credit Manager
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MCE Summary Reports
Load
Exposure
Generation
Outage Risk
Day-Ahead to
Real-Time Risk
Posting frequency• Once per Day• Twice per
Business Dayif changes
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DAM Credit Reports
DAM
Aggregate
Credit
Exposure
Posted after each DAM
DAM
Remaining
Available
Credit Limit
Posted every 15min before DAM
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Keeping Track of it All
MIS
Credit Reports
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TPE Summary Reports
TPES
TPEA
Calculation
Components
Posting frequency• Twice per
Business Day• Once per non-
Business Day
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Future Credit Exposure Summary Reports
FCEOPT Report
Volumes
Exposure
FCEOBL Report
Volumes
Exposure
Other parts
Posted once per day
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Estimated Aggregate Liability Reports
Summary
QSE major
parts
CRRAH
major parts
Detail Report
Posting frequency• Once per Day• Twice per
Business Dayif changes
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Finding Credit Reports on MIS
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Conclusion:
A Few Thought-Provoking Exercises
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A Counter-Party named Loads-R-us is
registered as a QSE. They have Load but
no Generation.
What are some ways they can reduce their
credit exposure in the ERCOT Market?
Class
Discussion
Let’s Talk About It
Real-Time
Trades
DAM
CRRs
Total
Potential
Exposure
Any
(TPEA)
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A Counter-Party named Gen-R-ocity is
registered as a QSE. They have Generation
but no Load.
Will they ever have any credit exposure?
Class
Discussion
Let’s Talk About It
Real-Time
Trades
DAM
CRRs
Total
Potential
Exposure
Any
(TPEA)
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A Counter-Party named Derivatives-R-us is
registered as a CRR Account Holder.
What are some ways they can reduce their
credit exposure in the ERCOT Market?
Class
Discussion
Let’s Talk About It
Real-Time
Trades
DAM
CRRs
Total
Potential
Exposure
Secured
(TPES)
Independent
Amount
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• Describe the impacts of common business activities on
credit exposure
• Define the types of Financial Security utilized at ERCOT
• Illustrate how ERCOT calculates Available Credit Limits
• Summarize the credit management processes in ERCOT’s
markets
• Locate and utilize various credit reports from the Market
Information System.
You should now be able to …
Course Summary
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175
ERCOT values your feedback on your experience in
completing this instructor-led course.
Your Feedback
Survey Handout
www.surveymonkey.com/r/ERCOTMarketTraining
Survey Launch QR Code:
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ERCOT Protocols
http://www.ercot.com/mktrules/nprotocols/
ERCOT Training
http://www.ercot.com/services/training/
ERCOT Account Management Services
ERCOT Credit
ERCOT Market Education Contact
Accessing additional information