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International Equipment Reliability Index (I-ERI) Subcommittee Update International ERWG Subcommittee Helsinki, November 2016 1 International Equipment Reliability Index (I-ERI) Subcommittee Update International ERWG Subcommittee Helsinki, November 2016 1

 James Purss – (EDF – UK) Miroslav Zelenay – (Slovenske elektrarne – Slovakia) James Purss – (EDF – UK) Miroslav Zelenay – (Slovenske elektrarne – Slovakia) Marko Leino (Fortum - Finland) Fernando Mirallas (ANAV - Spain) Ren Hebin (CGN – China) I-ERI Subcommittee Team in Helsinki Dagmar Jurova (CEZ – Czech Republic) Ondrej Zlamal (CEZ – Czech Republic) Matti Vaaheranta (TVO – Finland) Yuril Sheiko (Energoatom - Ukraine) Alberto Porras – (CNAT) Jane Antoine (ERWG chair) Susan Van Wyk (ESKOM – South Africa) Kenny Christian (INPO) Mark White (INPO – USA) Jan Sinke (Borselle) Ulrich Mezui – (EDF – France) 2

 Provide an International Equipment Reliability Index which provides a stable platform for measuring Provide an International Equipment Reliability Index which provides a stable platform for measuring key performance areas Allow Benchmarking of worldwide ER performance I-ERI Subcommittee I-ERI to utilise best practise identified from ERWG and utilities internal measures Objectives Work towards updating WANO PI manual for an automated I-ERI Publish a guidance document summarising work (Revision 001 currently on Nuclear Community) 3

Summary Table for “Lagging” I-ERI Sub-Indicators • ERI Sub-Indicators • No. • Points • Summary Table for “Lagging” I-ERI Sub-Indicators • ERI Sub-Indicators • No. • Points • Data Type • Statio n / Unit Forced Loss Rate (WANO FLR) WANO 1. 1 7 Lagging Unit Unplanned Total Scrams Per 7, 000 Hours Critical (WANO US 7) I-ERI Indicators • Source WANO 10 Lagging Unit 5 Lagging Unit 8 Lagging Unit Unplanned Shutdown LCO Entries ≤ 72 hours (in Last 3 months) – have added to WANO PI manual Safety System Unavailability (WANO Indicators) 1. 2 INPO 2. 1 WANO 3. 1 • Summary Table for “Leading” I-ERI Sub-Indicators Deficient Critical Work Backlog (Online) INPO Deferral of Critical PM’s (as per ERWG rev 0 – Jan 16) INPO Critical PM’s Open in 2 nd Half of Grace (does this include plant testing? ) INPO Work Week Critical Scope Survival INPO ER Project Delivery Effectiveness Age of Red & Yellow Systems Chemistry Performance (WANO CPI) 4. 1 8 Leading Unit 10 Leading Station 5. 1 10 Leading Station INPO 6. 1 12 Leading Station INPO 6. 2 15 Leading Unit WANO 7. 1 7 Leading Unit 4. 2 4. 3 4

 Each sub-measure discussed within the group and agreed as appropriate for revision 002 Each sub-measure discussed within the group and agreed as appropriate for revision 002 of the I-ERI document Helsinki discussions Focus to agree sub-measures which are clearly defined to remove any subjective interpretation Distribution of points between lagging and leading indicators changed to a 30/70 split to focus on leading indicators Points re-distribution discussed with sub-measures ranked and given points to give a total of 100 Ways to improve committee working away from IERWG meeting Sub-measures leads agreed Routine teleconference with wider comms to all IERWG members 5

 Leads agreed for sub-measures as follows: Next Steps 1 – Electrical Generation - Leads agreed for sub-measures as follows: Next Steps 1 – Electrical Generation - Ondrej 2 – Challenge to Operations - James 3 – System Health - Ondrej 4 – Maintenance - Fernando 5 – Work Management - Fernando 6 – Long Term Planning - Miroslav 7 – Monitoring & Trending – Marco Monthly teleconferences to be held on second last Thursday of each month in the afternoon – meetings to be advertised and everyone is welcome to dial in!! 6

 Publish rev 002 of I-ERI guidance document (90% complete during this meeting) – Publish rev 002 of I-ERI guidance document (90% complete during this meeting) – Nov 16 Setup monthly teleconferences and publicise to IERWG members – Nov 16 Helsinki actions Produce a survey and distribute before year end to establish next areas of focus for additional sub-measures – Dec 16 Publish results of survey to allow Prague face to face meeting to discuss IERWG next focus areas for sub-measures – Feb 17 Collect plant data where available for agreed 11 sub-measures from utilities – Mar 17 Review scoring thresholds of sub-measures against Fortum results of implementation of I-ERI rev 002 – March 2017 7

Questions? 8 Questions? 8