1. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 1 “ System Interfaces for Distribution Management “ TC57 WG14 Standards IEC 61968 IEC Standardisation efforts: Facilitate A2A and B2B integration for Electric Utilities in planning, constructing, maintaining and operating the T&D network

2. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 2 Current difficulties at Utilities Confined business functions Large amount of data Frequent changes Manual data exchanges that are error prone No link between Technical and Commercial systems  Utilities are seeking for more automation of their business processes 4

3. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 3 Robust and reliable integrated solution Shared development costs Faster implementation Easier maintenance (incl. QA policy) Better control on technical and financial risks Configurable, scalable and vendor neutral Objectives of a 61968 based solution

4. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 4 Conditions for System Integration Common understanding Common language Enabling technologies Business process driven solutions (not technology driven)  Requires joined expertise in UT Business, in UT Engineering, in Data Modelling and in IT 4

5. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 5 Interface Reference Model

6. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 6 Information Presentation User Interaction Archive Applications Remote Control sites Domain Object Repository System Configuration Exchange between different systems of multiple suppliers Bulk import/export Field resources System & process objects Standards IEC 61970-301 Common Information Model

7. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 7 CIM XML Doc 1 Participant A Participant B Import Export Power Flow 1 Solution 1 2 CIM XML Doc 2 3 4 CIM XML Doc 3 5 6 Solution 2 7 CIM XML Interoperation Tests Performed by a dozen of solutions and services providers, and Utilities, under the auspices of EPRI

8. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 8 1. Business Process Analysis 2. Use Cases 3. Logical Data Model 4. Message Type Definitions 5. Information Exchange Models 6. Application Interfaces IEC 61968 Methodology

9. G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona 12-15 May 2003 9 IEC 61968 incorporate a large expertise « Head start » for faster integration projects Solid framework for solution’s entire lifecycle Ascertains re-usable components Reduces risks and TCO of integration projects  Yes, IEC 61968 will play a main role in communication between DM and other systems Conclusions