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

México´s Electric Utility System Ly. FC Luz y Fuerza del Centro 2 Government Companies: México´s Electric Utility System Ly. FC Luz y Fuerza del Centro 2 Government Companies: CFE Comisión Federal de Electricidad CFE Ly. FC Total Customers (Millions) 21. 34 5. 62 26. 96 Sales (GWh/Year) 131, 526 28, 859 160, 384

México´s Electric Utility System Generation Infrastructure (MW) CFE Ly. FC Total Hydro 9, 379 México´s Electric Utility System Generation Infrastructure (MW) CFE Ly. FC 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 Centrals Plants 157 18 175 Units 532 50 582

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

CFE Overview Transmission and Distribution Infrastructure Lines: 15, 998 km 400 k. V Transmission CFE Overview Transmission and Distribution Infrastructure Lines: 15, 998 km 400 k. V Transmission lines 24, 773 km 230 k. V “ “ “ 470 km 161 k. V “ “ “ 1, 340 km 138 k. V Sub-transmission lines 38, 773 km 115 k. V “ “ “ 140 km 85 k. V “ “ “ 3, 364 km 69 k. V “ “ “ 63, 654 km 34. 5 k. V Distribution lines 26, 366 km 23 k. V “ “ “ 257, 462 km 13. 8 k. V “ “ “ 225, 147 km 220/127 V “ “ “ Substations: TOTAL CAPACITY: 162, 775 Megawatts

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

CFE Overview Customers Commercial 10. 39% Home-living 87. 82% 21. 34 Customer Millions 80 CFE Overview Customers Commercial 10. 39% Home-living 87. 82% 21. 34 Customer Millions 80 Mexico´s Inhabitant Millions More than 900, 000 new customers each year Agricultural 0. 47% Services 0. 66% Industrial 0. 65%

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

CFE Overview Sales Commercial 6. 86% Home-living 25. 50% Agricultural 5. 55% Services 3. CFE Overview Sales Commercial 6. 86% Home-living 25. 50% Agricultural 5. 55% Services 3. 26% Industrial 58. 82% 131, 526 GWh/year 9. 8 Billion US Dollars Income

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

Energy meter approval process Standards NOM-044 -SCFI-1999 Watthour Electromechanical Meter Instruments Definitions, Characteristics and Energy meter approval process Standards NOM-044 -SCFI-1999 Watthour Electromechanical Meter Instruments Definitions, Characteristics and Test Methods (CFE´s GWH 00 -01 Specification)

Energy meter approval process Standards NOM-127 -SCFI-1999 Multifunction Meters for Electric Systems Specifications and Energy meter approval process Standards NOM-127 -SCFI-1999 Multifunction Meters for Electric Systems Specifications and Test Methods (CFE´s G 0000. 48 Specification)

Energy meter approval process Lapem Material and Equipment Test Laboratory –Electromechanical Equipment Evaluation –Materials Energy meter approval process 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

Energy meter approval process Lapem guide Num. 1. Product Official Approval and Prototype Evaluation Energy meter approval process 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

Energy meter approval process Lapem guide Num. 2. Supplier´s Qualification and Evaluation –Evaluation Criteria Energy meter approval process 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

Energy meter approval process Tests by the final user 1. - In the Divisions: 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.

Energy meter approval process Tests by the final user 2. - In the distribution 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 electronicmultifunction meters. More than 100 Tertiary laboratories distributed in the most important cities of the Country

Energy meter approval process Tests by the final user 3. - In the field: 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.

Energy meter approval process Tests by the final user 4. - When the energy 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.

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

Energy meter approval process Update Standards The NOM-044 -SCFI-1999 standard are based upon the 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.

Thanks for your attention! Juan Antonio Zapata García Metering Manager Comisión Federal de Electricidad Thanks for your attention! 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. [email protected] gob. mx www. cfe. gob. mx/www 2