A Comprehensive System of Power Management built on a solid foundation: OSISOFT PI MARCH - 2009 IBERDROLA ENERGÍA MÉXICO

Agenda Iberdrola Site Configuration Local PI Functions, and ACE Server Central PI Configuration, and its functions Smart Tools Integration with Management System Iberdrola Energía México

IBERDROLA IBERDROLA: Hidroeléctrica Española Fusion - Iberduero (1991) It is one of the largest industrial corporations in Europe by market capitalization, sales, and profits Global Services Operator through profitable growth strategy, and value creation for customers, and investors Key elements of this strategy: international expansion, efficiency improving, and product diversification Iberdrola Energía México

Corporate News IBERDROLA reaches an integration agreement with SCOTTISHPOWER to create an European leader of enterprise value of nearly 64,000 Million €, where the new group has 36,600 megawatts (MW) of installed capacity, of which more than 6,000 MW are wind power, and adds 21.4 million electric delivery points IBERDROLA won the bid of CFE for the refurbishing, and modernization of its Laguna Verde Nuclear Central in the state of Veracruz. Recently Iberdrola started the operation of 80 MW of Wind Power at La Ventosa in Oaxaca, Mexico under the Self-Supply modality Iberdrola Energía México

Investments in Latin America Power Distribution: Brasil: Coelba Celpe Cosern Guatemala: EEGSA Bolivia: Electropaz Elfeo Water distribution: Chile: Essal Uruguay: Aguas de Maldonado Power Generation : México: Monterrey III Altamira III & IV Altamira V Femsa y Titán Enertek (Altamira) La Laguna Tamazunchale La Ventosa Brazil: Itapebí Guatemala: Geca Chile: Río Duqueco Gas Distribution : Colombia: Gas Bogotá Gas Oriente México: GNM Iberdrola Energía México

Investments in Mexico Torreón Monterrey Altamira Tamazunchale Gas Pipeline México DF Monterrey Altamira Torreón Tamazunchale Oaxaca Monterrey Region Monterrey: 1000 MW Femsa & Titán: 37 MW La Laguna: 500 MW Tamazunchale* 1135 MW Altamira Region Altamira III & IV: 1036 MW Altamira V 1121 MW Enertek: 120 MW Oaxaca 80 MW TOTAL: 5029 MW * Largest Combined Cycle Plant in the country. Iberdrola Energía México

Installed Capacity in México 5,000 2,093 1,157 1,000 2,000 3,000 4,000 6,000 2002 2003 2007 MW Enertek Monterrey III Femsa-Titán Altamira III y IV More than 5,000 MW in operation since 2007 Altamira V Tamazunchale La Ventosa Iberdrola Energía México

Dulces Nombres Combined Cycle Plant Iberdrola Energía México

OSIsoft PI in Iberdrola Iberdrola Energía México

Site Configuration DCS & OTHERS GENERATION PLANT Local PI Server Various Interfaces Local PI Server ACE Server Operation (Plants) Iberdrola Energía México

Local PI Server Functions Reads, and stores between 10,000 & 20,000 tags, which change in value at a frequency of up to one second. This is done in the PI of each plant, through various interfaces Provides users access to the necessary information to generate daily reports Provides information to users for efficiency analysis of turbines, and in general to see the performance of the plant in real-time The users of the plants (like plant operators) have access to information via ProcessBook & DataLink, and VBA for Excel, through specialized templates Iberdrola Energía México

ACE Server Functions Stores the information in 5m frequency tags Verifies that the information does not contain errors, and notifies if so (through e-mails) Runs the critical process of Mathematical Model The information processed is of critical mission since it is used to bill our primary customer: “Comisión Federal de Electricidad” Problems with ACE running on Local PI server Iberdrola Energía México

Problems Running ACE on Local Server Local PI Server DCS & OTHERS Various Interfaces The local PI server is reading in real time 15,000 tag changing every second When running the Mathematical Model (MM), ACE is reading around 60 of those tags For every tag in the MM, ACE would make calculations (averages, additions, conditionals, etc) and stores info for every 5m Using the 5minute data generated, a guaranteed efficiency is calculated and used to for the main invoce to CFE: fuel With this work load, the server stopped the ACE service (the MM) and calculations stopped suddenly. The server continued collecting data from the DCS Iberdrola Energía México

Using PI in plants: Flow Measurement Error was corrected to allow for precise measure. Oscillation was detected in gas temperature measurement, which caused an incorrect compensated flow calculation 1% deviation in the gas measurement from this plant represents over 300 KUSD/month when the gas price is around 6.50 USD/MMBTU Iberdrola Energía México

Using PI in plants: Real-time Information A través de estos gráficos pudo detectarse una desviación operativa que afectaba significativamente la presión principal del ciclo agua-vapor. Esta observación permitió la corrección oportuna de una desviación que pudo afectar la generación eléctrica reduciéndola 4 MW. Access to critical information with just one click Iberdrola Energía México

PI Functions with VBA for Applications (Add-In) and Excel Import information efficiently from PI, and process it to generate result data (usually results in values for every 5 minutes) Implement Procedures to data correction Send verified data, and/or corrected to a relational database This is done for the mathematical models, and to track the gas consumption Iberdrola Energía México

VBA (Add-In) and the Mathematical Model Data download by periods of time Data correction Signal Losses, and inaccurate measurement Graphical view of input and output tags of the Math Model This is done using OSISOFT PI SDK Iberdrola Energía México

Flow of Information in case of Data Correction When there is incorrect data within PI (because of problems in any signal) for the mathematical model, a data correction procedure is executed We read the data and correct it as per the agreement made with CFE and then write the correct data to a relational database The mathematical model is run again from the database The guaranteed efficiency is corrected * We cannot change the values stored in the PI server, because of the agreement with CFE. Iberdrola Energía México

CENTRAL PI MONTERREY III ALTAMIRA V PCM TAMAZUNCHALE ENERTEK USERS IN THE NETWORK MONTERREY III ALTAMIRA V ProcessBook DataLink Web Applications VB .NET CENTRAL PI PCM TAMAZUNCHALE Central ACE ENERTEK ALTAMIRA III Y IV LAGUNA II Iberdrola Energía México

Interface with Spain, with CFE, and other Systems CMDS Spain The CMDS manages, among many other things, a PI (or super PI) with the information of all combined cycles of Iberdrola FIREWALL FIREWALL DACPEE, CFE (DF) PARTNERS USERS SIGEN SERVER, SQL DATABASE Iberdrola Energía México

Central PI Functions Centralizes general access information on a single PI server, through interfaces “PI to PI” In this way, prevents the local servers suffering of work overload Redundancy of critical information It has a very focused approach to management Stores all information of mathematical models of CFE, and User Partners Allows addition and/or averaging the information of various plants to register information as “Total Generation of Iberdrola in Mexico” and real-time visualization Serves like a gateway to other administrative systems Iberdrola Energía México

CENTRAL PI Iberdrola Energía México

CENTRAL PI Iberdrola Energía México

CENTRAL PI Iberdrola Energía México

ENERGY MANAGMENT (MONTERREY) USERS PARTNERS OPERATION (PLANTS) COGENERACIÓN MTY ALTAMIRA III Y IV ALTAMIRA V LAGUNA II TAMAZUNCHALE MONTERREY III ENERTEK … LOCAL PI BY CENTRAL CC&M CENTRAL PI PLANNING, AND CONTROL (DF) SIGAF USERS PARTNERS DACPEE (DF) CENACE (MONTERREY) ENERGY MANAGMENT (MONTERREY) SIGEN SERVER EXTERNAL USERS FIREWALL IBERDROLA MEXICO NETWORK Iberdrola Energía México

Iberdrola Energía México