1. VP, CIO Information Technology
ERCOT IT Update
Ken Shoquist
VP, CIO Information Technology
May Board Meeting

2. Systems Summary Monthly Transaction Throughput System Incident Reports
Total Transactions: 34,597,466
System Incident Reports
Transaction Throughput
34.6 M transactions for the month of April.
Daily Transaction Throughput
Maximum Daily Throughput – 2,127,611
Incident Reports
For April
Opened 8
Closed 11
Systems Highlights
TX SET 1.5 Release Complete and Successful
Disaster Recovery Test Executed Successfully
DR site established and systems successfully initiated.
Reduced EMMS Load Forecast zones from 11 to 8 load areas.
Reduced number of control areas. Introduced efficiencies.
UFE Aggregation Performance Enhancement
Settlement Statement Runtime Reduced 50%
The Generate Settlement Statement runtime improvement was achieved by using SQL in place of existing Lodestar Rate Language.
Load Profiling Runtime Reduced 50%
The Load Profiling runtime improvement was achieved by making the calculation algorithm in Lodestar more efficient.
Increase EDI Inbound Processing Throughput.
Achieved by multi-threading PaperFree processing.
Daily Transaction Throughput
Systems Highlights
TX SET 1.5 Release complete and successful
Disaster Recovery Test executed successfully
Settlement statement runtime reduced 50%
Load Profiling runtime reduced 50%
Increased EDI inbound processing throughput
SCR 727 supplemental runs performed in parallel with normal operations

3. Performance Trends

4. Solution Overview Overall Architecture
Commercial Operations
Data
Archive
&
Data Warehouse
Technical Operations
Registration
Market System
Load Profiling
Energy Mngt. System
Data Acq.
Data Aggr.
Settlement/Bill
On-line Portal (Private & Public Information)
Programmatic Interfaces
ERCOT WAN
(or)
Public Internet

5. Solution Overview Commercial Operations
Data Aggr., Settlement & Billing
EDI/XML Mapping & Validation
Transaction Clearinghouse P A
P E R F E e E X C H A N G e G A T E
LODESTAR
WAN or
Internet
TDSP
&
Retailers
Siebel
Transaction Lifecycle Management
(SeeBeyond)
Registration & Dispute Management
SAP Portal
Integrated Market Portal
Enterprise Architecture Integration
(SeeBeyond)

6. Solution Overview “To-Be” Architecture
Data Aggr., Settlement & Billing
EDI/XML Mapping & Validation
Transaction Clearinghouse P A
P E R F E e E X C H A N G e G A T E
LODESTAR or
Excelergy
Custom
WAN or
Internet
TDSP
&
Retailers
Transaction Lifecycle Management
(SeeBeyond)
Registration & Dispute Management
Yahoo Portal
Integrated Market Portal
Enterprise Architecture Integration
(SeeBeyond)

7. Settlement / Registration Selection
ERCOT has multiple directions it could take regarding Settlements, Registration, and Transaction Management:
Modified Lodestar Solution (with upgrade)
Implement Excelergy Solution
Implement Custom Solution
Considerations (costs, risks, and impacts) for alternatives:
Development (labor, licensing, hardware)
Integration (reliability, transaction integrity, scalability)
Maintenance (personnel skill-set, technology, vendor support)
Operation (transaction transparency, performance, security)
Business Impact (conversion, operation)
The goal is to reduce Total Cost of Ownership (TCO) while meeting the needs of the market.

8. Project Management & Development Process
Support Texas Market
Strategic Planning
Cost Effectiveness
Customer Satisfaction
Requirements
Resource Estimation
Project Priorities
Measurement
via service levels
Business Feedback
ERCOT Business
Change Management
Application Monitoring
Performance Metrics
Availability
Time and Cost to Market
Product Quality, Productivity
Manage Risk
Release & Project Delivery
IT Operations
IT Development

9. IT Project Updates Monthly Activity Project Performance
For the 50 Priority-1 Projects:
18 complete,
20 in progress, and
12 in planning
The 18 projects completed in the first quarter include projects started in the last quarter of 2002

10. Highlights of Completions
IT Project Updates
Project Activity
Highlights of Completions
TX Set V1.5
Market coordination was key success factor
Disaster Recovery
Confident that we will beat the 48-hour recovery requirement
Project Team Recognitions
James Whitlock
Jason VanDerMark
Trending Information:
Project Management staff added in 1st Quarter

11. Upcoming Projects for ERCOT
Energy Management Systems
Oracle 9i upgrade of EMMS
QSE Testing
Increase availability
Increase functionality
Settlement & Billing
BUL / LAAR
Load Research Sampling / DLC
Enterprise Operations
Document management
Portal replacement
Portfolio management software
TX Processing
EDI Pipeline Hardening
MIMO Short Term

12. ERCOT Employee Directory
No longer on ERCOT.com
Moved to a secure location
Now located on ERCOT’s portal
Requires use of digital certificate to access
ERCOT security desk available to route calls

13. Texas Electric Market