1. SPV SPV Working Group Taimore Afzal (Sellafield) – Chair Alan Wattling (EDF) Luis Yague (Confrentes – Iberdrola) Lubos Herak (Slovenské elektrárne) Ulf Johansson (Vattenfall) Sam Harvey (EPRI) Alessandro Sarish (Electrabel) Mario Gluhak (Krsko)

2. SPV Aim of the working group Identify single point vulnerabilities and manage the associated risk

3. SPV Objectives Assess the maturity of the community Share learning and process best practice Share specific practical (equipment) examples Produce implementation guidance

4. SPV How would we develop in practice Benchmarking/Maturity questionnaire Produce a form to help capture equipment examples Produce implementation guidance

5. SPV Survey

6. SPV Survey Results 9 Responses –Sellafield, CNNO,FENOC, Daya Bay, KHNP, Krsko NNP, EDF x 2, Borssele NNP Best/Good Practice recommendations from –EDF Energy –Daya Bay –KHNP

7. SPV Template

8. SPV Methodology SPV Definition (What?) Analysis (How?) Mitigation/Elimination Strategy (What?) Implementation (How?)

9. SPV SPV Definition Power reduction threshold at which an SPV is designated –20%, 10%, 5%, > 2% ? –Short duration limited conditions of operation (LCO) –12 hour delay in returning to full power after refuelling Graduated calibration Action – collate all definitions and formulate a positioning paper (T. Afzal)

10. SPV Analysis (How deep do you go?) Definition of LRU (Lowest Replaceable Unit); referring to the lowest maintainable item, which in some cases may be a large module Designation at ‘Large’ component level and mitigation targeted at sub component level Action – Develop guidance on Analysis (A. Sarich)

11. SPV Actions Communicate Definition and develop guidance (All – 1 month) Guidance on Analysis (A. Sarich – 1 month) Guidance on mitigation (U. Johansson – 1 month) Guidance on Optioneering (T. Afzal – 1 month) Guidance on day-to-day management (A. Wattling - 1 month) Develop story board (A. Watling – 1 month) Development of Loss data template (L. Yague – 1 month) Disseminate Example template for ALL to contribute