1. © Cullen International Roundtable Energy Efficiency, Clean Power & Smart Grid ITU, Green Standards Week Miguel Toledano Cullen International Paris, September 17, 2012 Integrating Energy Strategies through Best Practice Regulation

2. Outline Smart meter reference models Cross-border interconnection Energy communication architecture ICT carbon footprint © Cullen International

3. Smart meter reference models © Cullen International DSO Customer TSOSupplier Smart meter Central data hub Customer DSOTSOSupplier Smart meter Metering operator Customer DSOTSO Supplier Smart meter DSO centeredCentral data hubFully competitive France, SpainItaly, UKGermany

4. Cross-border interconnection © Cullen International Electricity importElectricity export

5. Communication architectures © Cullen International France Germany Italy Spain UK Smart meter Concentrator in MV/LV transformer substation Central system Smart meter Gateway next to meter (mandatory) Concentrator in substation (optional) Central systemSmart meter Concentrator in MV/LV transformer substation Central systemSmart meter Concentrator in MV/LV transformer substation Central system Smart meter Gateway next to meter (mandatory) Central system PLC Long range radio/GPRS/3G PLC/DSL GSM/GPRS GPRS GSM/GPRS GPRS/3G

6. ICT carbon footprint: © Cullen International Emission reduction (Europe Top ten) (Yearly average targets, %)

7. Thank you miguel.toledano@cullen-international.com