Overview of the Electrical Metering Market in México

1. Overview of the Electrical Metering Market in México Presented by Juan Antonio Zapata García Metering Manager Comisión Federal de Electricidad

2. México´s Electric Utility System LyFC Luz y Fuerza del Centro 2 Government Companies: CFE Comisión Federal de Electricidad CFE LyFC Total Customers (Millions) 21.34 5.62 26.96 Sales (GWh/Year) 131,526 28,859 160,384

3. México´s Electric Utility System Generation Infrastructure (MW) CFE LyFC Total Hydro 9,379 236 9,615 Thermo 27,590 598 28,188 Wind 2 - 2 Total 36,971 834 37,805 *Does not include External Energy Producers Plants 157 18 175 Units 532 50 582 Centrals

4. CFE Overview Structure Each Area is Divided by Regions across the Country 71,219 Workers

5. CFE Overview Transmission and Distribution Infrastructure Lines: 15,998 km 400 kV Transmission lines 24,773 km 230 kV “ “ “ 470 km 161 kV “ “ “ 1,340 km 138 kV Sub-transmission lines 38,773 km 115 kV “ “ “ 140 km 85 kV “ “ “ 3,364 km 69 kV “ “ “ 63,654 km 34.5 kV Distribution lines 26,366 km 23 kV “ “ “ 257,462 km 13.8 kV “ “ “ 225,147 km 220/127 V “ “ “ TOTAL CAPACITY: 162,775 Megawatts Substations:

6. CFE Overview Distribution Noroeste Norte Golfo Norte Distribution Area is conformed by 13 Divisions and 116 distribution Zones Baja California Golfo Centro Peninsular Bajío Centro Occidente Oriente Centro Oriente Jalisco Centro Sur Sureste

7. CFE Overview Customers Commercial 10.39% Agricultural 0.47% Services 0.66% Home-living 87.82% Industrial 0.65% 21.34 Customer Millions 80 Mexico´s Inhabitant Millions More than 900,000 new customers each year

8. CFE Overview Energy meters in operation Energy meters installed (by type) *AMR media used: Normal Phone line, cellular, ethernet, etc.

9. CFE Overview Sales Commercial 6.86% Agricultural 5.55% Home-living 25.50% Services 3.26% Industrial 58.82% 131,526 GWh/year 9.8 Billion US Dollars Income

10. CFE Overview Operation indicators A Worldwide-Class-Indicators Company

11. Energy meter approval process Standards NOM-044-SCFI-1999 Watthour Electromechanical Meter Instruments - Definitions, Characteristics and Test Methods (CFE´s GWH00-01 Specification)

12. Energy meter approval process Standards NOM-127-SCFI-1999 Multifunction Meters for Electric Systems -Specifications and Test Methods (CFE´s G0000.48 Specification)

13. Energy meter approval process Lapem Lapem Material and Equipment Test Laboratory • Electromechanical Equipment Evaluation • Materials evaluation • Energy Conversion Process Evaluation • Dielectric Tests • Short Circuit Tests • Engineering • Qualification and consultant Services • Quality Control • Suppliers Development and Evaluation • Normalize and Metrology Services

14. Energy meter approval process Lapem • Lapem guide Num. 1.- • Product Official Approval and Prototype Evaluation • Requirements • Application • Preliminary meetings • Prototype drafts approval • Prototype certification Process • Sample selection • Tests • Documentary evaluation • Evaluation Report • Certified Prototype List • Certified Product no-changes check • Prototype Re-certification

15. Energy meter approval process Lapem • Lapem guide Num. 2.- • Supplier´s Qualification and Evaluation • Evaluation Criteria • Suppliers Evaluation Procedure • Company evaluation application • Product evaluation application • Documentary evaluation • In-Situ evaluation • Evaluation report • Supplier Qualification Certificate

16. Energy meter approval process Tests by the final user 1.- In the Divisions: Random test when the meters are received in the divisions. 13 Secondary Laboratories Certified on Official Mexican Norm NMX-EC-025-IMNC-2000 “General requirements of Competence of the Calibration and Test Laboratories”, based in ISO/IEC GUIDE 25:1990 Standard.

17. Energy meter approval process Tests by the final user 2.- In the distribution Zones: Random test to the electromechanical meters and test to the 100% of the electronic and electronic-multifunction meters. More than 100 Tertiary laboratories distributed in the most important cities of the Country

18. Energy meter approval process Tests by the final user 3.- In the field: CFE has a Yearly Test Program to insure the quality of metering. Each year, it test more than 1.8 Millions of energy meters.

19. Energy meter approval process Tests by the final user 4.- When the energy meters were retired from the field: All the meters retired from the field, no matter the reason; receive maintenance service. Each year, CFE gives maintenance to more than 644,000 energy meters on its laboratories.

20. Energy meter approval process Traceability chart National Metrology Centre CENAM SIMCFE Accuracy Requirements CFEMaterial and Equipment Test Laboratory LAPEM LAB. I 0,0055 % Energy Meter Comparison National Program CFESecondary Metering Laboratories (13 Divisions) LAB. II 0,025 % 0,1 % 0,05 % LAB. III CFETertiary Metering Laboratories (Distribution Zones) Final Customer Residential Customer Industrial Customer 2 % 0,2 %

21. Energy meter approval process Update Standards The NOM-044-SCFI-1999 standard are based upon the ANSI Standards. The NOM-127-SCFI-1999 standard are based upon the ANSI and the IEC Standards. CFE is always checking the updates of the ANSI standards, in order to include the changes in it´s own standards.

22. Juan Antonio Zapata García Metering Manager Comisión Federal de Electricidad Rio Rodano No. 14 5°Piso Colonia Cuauhtémoc C.P. 06598 México, D.F. Phone: (01152) 55-5553-0344 Fax: (01152) 55-5230-9312 antonio.zapata@cfe.gob.mx www.cfe.gob.mx/www2 Thanks for your attention!