1. NCMS - NOx Compliance Management System Presented by: Bill Soldat and Judah Moseson PI Users Group meeting San Francisco, CA April, 2000

2. TXU is one of the largest investor-owned energy services companies in the world with assets over $40 billion. The company is a multinational leader in electric and natural gas services, merchant trading, energy marketing, telecommunications and other energy-related services. TXU delivers energy to more than nine million customers primarily in Texas, the United Kingdom and continental Europe, and Australia.

4. Senate Bill 7 Impacts to Generation 50% reduction in NOx, 25% reduction in SO2 - for existing “grandfathered” electric generating facilities. Additionally, because of the proposed State Implementation Plan under the Federal Clean Air Act, TXU Electric plans to achieve an 88% reduction in NOx production from 1997 levels in the Dallas-Fort Worth non-attainment area.

5. The Need : A System for Real Time NOx and SO2 Monitoring, Tracking, Alarming, Reporting and Optimization for all TXU Generating Units at the Unit Level, Area/Region Level, and TXU System Level

6. NCMS - NOx Compliance Management System Scope Control System Modifications for Data Access Plant Historian Accurate Heat Input Additional Instrumentation Advanced Emissions Controls

7. NCMS - NOx Compliance Management System Interface Requirements Foxboro IA Honeywell TDC3000 Bailey Infi90/Net90 Allen Bradley PLC Modbus - Smart Instrumentation

8. Evaluated several historian choices - Trial competition between PI and another package Winner - - PI!

9. PI System Exact duplicate machines. Dell 4300 servers. 16 servers at plant sites, 1 corporate data collector, 1 training/development server.

10. Summer 1999 - Evaluation Trial complete 7/99 Project funding requested 8/99 Hardware/Software ordered 9/99 18 Servers installed collecting from CEM PLCs and 14 control systems by 10/31/99

11. OPPORTUNITIES Very Fast Track Project Internal Resources PI Net Manager IT

12. NCMS - NOx Compliance Management System - Customers - Training - Website - User Group

13. INTERNAL PI CUSTOMERS - 18 Locations - Power Plants and Corporate Offices - 250 Users - Control Room Operators - Shift Supervisors - I & C Technicians - Engineers - Superintendents - Management

14. INTERNAL PI TRAINING OSI Instructors - Two System Management Classes (4 days each) - Total of 32 students - Four Client Applicaton Classes (1 day each) - Total of 64 students TXU Instructors - Four Client Application Classes (1 day each) - Total of 56 students so far

18. TXU - PI User Group - Quarterly Meetings - 60 Users - User Presentations/ Applications - OSI Presentation - Corporate Presentations - Project Updates and Status - New Ideas - Questions and Answers