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

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May 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

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May 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 based solution

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May 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

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May Interface Reference Model

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May 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 Common Information Model

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

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

G. Suter CH Session 3 – Block 2 – 4 th Question Barcelona May IEC 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 will play a main role in communication between DM and other systems Conclusions