1. ERCOT Billing, Settlement Disputes & Data Extracts
Module 5

2. ERCOT Billing

3. Invoice Payment Process Example Statement and Invoice
ERCOT Billing
Learning Objectives:
Billing Overview
Invoice Payment Process
Example Statement and Invoice

4. Settlement and Billing in a Nutshell
Billing Overview
Settlement and Billing in a Nutshell
Settle with each QSE on an hourly basis for capacity services and 15-minute intervals for balancing energy and congestion fees
Publish billing determinants, settlement statements and invoices
Collect all payments and charges via electronic funds transfer
Manage revenue neutrality
Which is the only charge type that is NOT revenue neutral?

5. Settlement Timeline Energy consumed (Operating Day)
Billing Overview
Settlement Timeline
Day 0
Day 10
Day 59
6 Months
Energy consumed (Operating Day)
Initial Settlement information provided
Final Settlement for day 0 provided
True-Up Settlement

6. Other Useful Settlement Information

7. Invoice Payment Process Example Statement and Invoice
ERCOT Billing
Learning Objectives:
Billing Overview
Invoice Payment Process
Example Statement and Invoice

8. QSE How does the money flow? Generation Load
Invoice Payment Process
How does the money flow?
QSE
Generation
Load
How does ERCOT pay Generators?

9. Invoice Payment Requirements
Invoice Payment Process
Invoice Payment Requirements
Payment in full regardless of dispute status
Electronic Funds Transfer (EFT)
US Dollars
Weekend or holiday due date deferred to next business day

10. The Big Picture MP payment to ERCOT receives ERCOT due by payment and
Invoice Payment Process
The Big Picture
MP payment to
ERCOT due by
COB (1700 CPT)
on due date
ERCOT receives
payment and
verification process
begins.
ERCOT submits
all payments to
MPs by COB the
following day
MP receives and
verifies payment
from ERCOT

11. Partial Payments QSE Short Pay
Invoice Payment Process
Partial Payments
QSE Short Pay
ERCOT attempts collection before end of bank business day
ERCOT Administrative Fees deducted before allocation
ERCOT proportionally reduces payments to QSE’s owed
Subsequently collected funds are proportionally disbursed to shorted QSE’s on the business day collected

12. Invoice Payment Process Example Statement and Invoice
ERCOT Billing
Learning Objectives:
Billing Overview
Invoice Payment Process
Example Statement and Invoice

13. Net Settlement by Charge Type
Settlement Statement
Trade Date Info
Net Settlement by Charge Type
Settlement Total for Operating Day

14. Net amount owed by the QSE or, in this case, due to the QSE
Sample Invoice
Net amount owed by the QSE or, in this case, due to the QSE

15. Questions

16. Settlement Disputes

17. Learning Objectives: Dispute Timeline Responsibilities
ERCOT Billing
Learning Objectives:
Dispute Timeline
Responsibilities
ERCOT Resolution

18. Energy consumed (Operating Day)
Dispute Timeline
Energy consumed (Operating Day)
Day 0
Day 10
Day 20
Day 59
Day 69
Day 170
Day 180
Day 190
Initial Settlement information provided for Day 0
Timely Disputes for Initial Settlement due
Final Settlement information for Day 0 provided
Timely Disputes for Final Settlement due
All Disputes Due
True-Up Settlement
Dispute on True-Up Due

19. Learning Objectives: Dispute Timeline Responsibilities
ERCOT Billing
Learning Objectives:
Dispute Timeline
Responsibilities
ERCOT Resolution

20. Contain all required information One per Operating Day
Responsibilities
QSE Responsibility
Timely
Contain all required information
One per Operating Day
One per Charge Type
Submitted via TML
Contain “all available evidence reasonably necessary to support the claim”.
There are two types of Ancillary Services, Capacity and Balancing Energy.
Capacity refers to the amount of resources available
Capacity Settlements are hourly and in Mega Watt (MW) quantities
Energy refers to the actual amount of electricity used or deployed
Energy Settlements are at 15 minute intervals with Mega Watt Hour (MWh) quantities.

21. Research Settlement Disputes
Responsibilities
ERCOT Responsibility
Research Settlement Disputes
Make all reasonable attempts to resolve all Open disputes within 10 business days of the dispute submission deadline
There are two types of Ancillary Services, Capacity and Balancing Energy.
Capacity refers to the amount of resources available
Capacity Settlements are hourly and in Mega Watt (MW) quantities
Energy refers to the actual amount of electricity used or deployed
Energy Settlements are at 15 minute intervals with Mega Watt Hour (MWh) quantities.
Notify QSE if Settlement Dispute can not be completed on time.

22. Learning Objectives: Dispute Timeline Responsibilities
ERCOT Billing
Learning Objectives:
Dispute Timeline
Responsibilities
ERCOT Resolution

23. Dispute is Granted Dispute is correct
Dispute Resolution
Dispute is Granted
Dispute is correct
Amount of change is paid on next settlement statement for a trade day
There are two types of Ancillary Services, Capacity and Balancing Energy.
Capacity refers to the amount of resources available
Capacity Settlements are hourly and in Mega Watt (MW) quantities
Energy refers to the actual amount of electricity used or deployed
Energy Settlements are at 15 minute intervals with Mega Watt Hour (MWh) quantities.

24. Dispute is Granted with Exceptions
Dispute Resolution
Dispute is Granted with Exceptions
Dispute is partially correct
Amount of granted change is paid on next settlement statement for a trade day
Reasons for exception stated on dispute
MP may accept or reject resolution
There are two types of Ancillary Services, Capacity and Balancing Energy.
Capacity refers to the amount of resources available
Capacity Settlements are hourly and in Mega Watt (MW) quantities
Energy refers to the actual amount of electricity used or deployed
Energy Settlements are at 15 minute intervals with Mega Watt Hour (MWh) quantities.

25. Dispute is Denied Settlement Statement is correct
Dispute Resolution
Dispute is Denied
Settlement Statement is correct
No change on Settlement statement
MP may take dispute to ADR
There are two types of Ancillary Services, Capacity and Balancing Energy.
Capacity refers to the amount of resources available
Capacity Settlements are hourly and in Mega Watt (MW) quantities
Energy refers to the actual amount of electricity used or deployed
Energy Settlements are at 15 minute intervals with Mega Watt Hour (MWh) quantities.

26. Questions

27. Data Extracts

28. Where do I find the Data Extracts? What’s in the Data Extracts?
Learning Objectives:
What are Data Extracts?
Where do I find the Data Extracts?
What’s in the Data Extracts?

29. What are Data Extracts?
Extracts in a Nutshell
Supplemental data to allow Market Participants a view into ERCOT’s operational and commercial systems.
Files in .csv format that contain either Public Market data or Market Participant specific data, delivered in a .zip file.
DDL files are provided in the TML public folder to structure a database.

30. What is this stuff? What are Data Extracts? Texas Market Link
& .DDLs
MOS
POS
Texas Market Link
Data Warehouse
Initial
Scheduled Extracts
Settlements
and Billing
Database
Load
Profiling
Report Explorer
Meter Data
Daily
Scheduled Extracts
Market
Participant
Customer
Registration

31. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
Initial Data Extract
DDL

32. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
DDL
Initial Data Extract
Defines a database structure with field definitions and referential integrity
DDL
DDL

33. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
Initial Data Extract
Initial Data Extract
Provides a complete set of tables, including static tables
Typically provides a month of data from the date of request
DDL
Initial Data
DDL

34. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Daily Data Extract
Typically provides all data that changed within a 24 hour period
Needs to be scheduled only once.
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
Initial Data Extract
Day 1 Data
DDL
Initial Data
DDL

35. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Daily Data Extract
Typically provides all data that changed within a 24 hour period
Needs to be scheduled only once.
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
Initial Data Extract
Day 2 Data
Day 1 Data
DDL
Initial Data
DDL

36. How does the process work?
What are Data Extracts?
How does the process work?
Market Participant’s
Database
Market Participants’
mechanism to pull data
ERCOT TML
Daily Data Extract
Typically provides all data that changed within a 24 hour period
Needs to be scheduled only once.
Data
Warehouse
Powermonger (QSE)
Daily Data Extract
Day ‘n’ .
Day 3 Data
Initial Data Extract
Day 2 Data
Day 1 Data
DDL
Initial Data
DDL

37. Where do I find the Data Extracts? What’s in the Data Extracts?
Learning Objectives:
What are Data Extracts?
Where do I find the Data Extracts?
What’s in the Data Extracts?

38. How to Schedule Extracts
Where Do I Find the Data Extracts?
How to Schedule Extracts 1 2 3 4

39. How to Schedule Extracts
Where Do I Find the Data Extracts?
How to Schedule Extracts
Go to Archive tab of TML
Select “Schedule/Unschedule an Extract”
Select Extract to schedule or unschedule
Extracts available depend on market participant user role
Also “Schedule Extract Audit” displays an audit list of extracts scheduled and produced for the market participant as well as the capability to unschedule extracts

40. Where Do I Find the Data Extracts?
Public Extracts
Public extracts are posted in the Public TML folder. They are not scheduled but are posted automatically by ERCOT
DDLs found
here!

41. Where Do I Find the Data Extracts?
Public Extracts

42. Extract Data Definitions
Where Do I Find the Data Extracts?
DDL Files
Public Market Data
Extract Data Definitions

43. ext.(02-26-2007 17:35:21).Resource_IDv1.sql
Where Do I Find the Data Extracts?
DDL Files
  ext.( :35:21).Resource_IDv1.sql

44. Where do I find the Data Extracts? What’s in the Data Extracts?
Learning Objectives:
What are Data Extracts?
Where do I find the Data Extracts?
What’s in the Data Extracts?

45. What’s in the Data Extracts?
Extract User Guides

46. Types of Information Available
What’s in the Data Extracts?
Types of Information Available
Market and Operations data is available immediately following the Operating Day
Bids and Schedules
Instructions and Deployments
Clearing Prices
Resource Plans
Remainder of data is available after settlement of the Operating Day
Aggregated data (Load, Generation)
Settlement data
Billing Determinants
Charge Types

47. Scheduled Extracts Settlement & Billing (QSE)
Data Extracts
Scheduled Extracts
Settlement & Billing (QSE)
Provides the QSE with all settlement billing determinants used for calculating the charge types that appear on their settlement statement.
Provides public settlement information such as market clearing prices and factor values (i.e. Fuel Index, Uninstructed Factor, etc.).
Data is packaged by Settlement Batch run after all Operating Days in the Batch are approved.

48. Scheduled Extracts Load (QSE, LSE)
Data Extracts
Scheduled Extracts
Load (QSE, LSE)
Provides aggregated load totals at various stages of loss compensation.
Provides public load data such as premise information and factor values (i.e. UFE allocation factors, average daily usage by profile class, etc.).
Data is packaged by Settlement Batch run after all Operating Days in the Batch are approved.

49. Scheduled Extracts Generation (QSE, RES)
Data Extracts
Scheduled Extracts
Generation (QSE, RES)
Provides aggregated generator site totals, generator splitting percentages and DC Tie import data.
Provides public generation data such as premise information and factor values (i.e. Fuel Index, Resource Category Generic Costs).
Data is packaged by Settlement Batch run after all Operating Days in the Batch are approved.

50. Scheduled Extracts Settlement Input Data Extract (QSE)
Data Extracts
Scheduled Extracts
Settlement Input Data Extract (QSE)
Contains data formerly distributed in the Settlements & Billing and Load Extracts since 2002
Lodestar Batch Extracts moved to a batch focused distribution
Input data for the batch process is sent to the market in a 24 hour load window through this extract

51. Scheduled Extracts Bids and Schedules (QSE)
Data Extracts
Scheduled Extracts
Bids and Schedules (QSE)
Reflects back to the QSE the energy schedules and resource plans they have submitted.
Contains data that was entered or changed the previous day.
Ancillary Services (QSE)
Reflects back to the QSE the schedules and bids they have submitted to ERCOT for all Ancillary Service Markets
Provides general market information such as capacity market schedules, quantities required for each capacity service and Market Clearing Prices for Capacity.

52. Other Scheduled Extracts
Data Extracts
Other Scheduled Extracts
Resource ID Extract (QSE, RES)
ESIID Usage and Service History (scheduling not yet available)
Provides usage (MWh) data for both IDR and Non-IDR customers.
Provides time windows of service history for ESIIDs.
Siebel Service Order Extract (scheduling available June 2007)

53. Public Extracts Market Information
Data Extracts
Public Extracts
Market Information
Provides all participants with general information about market processes. This information includes market schedules, timing of market studies, and the market solutions determined by these studies.
Contains data that was created the previous day.
Forecast Data
Provides all participants with ERCOT's load forecast data and the weather forecast data used to produce it.

54. Public Extracts Some Other Public Extracts
Data Extracts
Public Extracts
Some Other Public Extracts
Forecasted and Actual Distribution Loss Factors
Forecasted and Actual Transmission Loss Factors
Forecasted and Backcasted Load Profiles
Public Reference Data Extracts
Various extracts of 6-month old data

55. Data Extracts
Zip file
with .csv
files
Packaging of Extracts

56. Questions