Frankfurt (Germany), 6-9 June 2011 Nuno Ferreira– Portugal – Session 3 – Paper ID:561 UTILITIES RESPONSE TO EXTREME CONDITION EVENTS EDP DISTRIBUIÇÃO CASE

Frankfurt (Germany), 6-9 June 2011 Evolution of TIEPI from 2000 to 2010 in Portugal 626 min/year 116 min/year 81% decrease

Frankfurt (Germany), 6-9 June 2011 Impact of adverse weather conditions on daily indicators “West zone” Storm 23-Dec-2009 Xynthia Storm 27-Fev Dec-2010

Frankfurt (Germany), 6-9 June 2011  Monetary penalties due to regulatory legislation  Company’s Quality of Service indicators  Energy not sold and financial costs of damaged assets  Public image of the company  Dissatisfaction of clients among others intangible damages…. Impact of adverse weather condition days

Frankfurt (Germany), 6-9 June 2011 The trigger to a serious reflection December, Storm December, Storm number of simultaneous tripped feeders, from 23 to 26 of December, 2009

Frankfurt (Germany), 6-9 June 2011 Response to critical events Be prepared Effective response Analyze and learn

Frankfurt (Germany), 6-9 June 2011 Response to critical events Be prepared Effective response Analyze and learn

Frankfurt (Germany), 6-9 June 2011  Improve Crisis Operational Actuation Plan More emphasis on the Alert Phase Company mobilization  Broaden third-party contracts and get their commitment in the Alert Phase BE PREPARED

Frankfurt (Germany), 6-9 June 2011  Dedicated Weather Forecast Tool BE PREPARED

Frankfurt (Germany), 6-9 June 2011  Increase and broaden Training  Achieve closer relations with National Authorities for Civil Protection BE PREPARED

Frankfurt (Germany), 6-9 June 2011 Response to critical events Be prepared Effective response Analyze and learn

Frankfurt (Germany), 6-9 June 2011 Effective response  Increase the availability of emergency generators  LV/MV mobile power transformers that can supply an island of MV/LV substations

Frankfurt (Germany), 6-9 June 2011 Effective response  Mobile DC supply solutions  Autonomy of communications and mobile communication suppliers in critical situations

Frankfurt (Germany), 6-9 June 2011 Effective response  Solutions that can by-pass the unavailable assets of the damaged network 14

Frankfurt (Germany), 6-9 June 2011 Effective response  Fast solutions for broken or fallen poles

Frankfurt (Germany), 6-9 June 2011 Effective response  Relations with media  Software tool that can be a source of information to several levels of decision

Frankfurt (Germany), 6-9 June 2011  Multi-function truck: manage the network, operational and media centre near affected areas. Effective response

Frankfurt (Germany), 6-9 June 2011 Effective response  Changes in dispatch centres organization

Frankfurt (Germany), 6-9 June 2011 Effective response – long term measures Optimization of the planning criteria for the Medium Voltage network, namely, the re-evaluation of maximum feeder length and maximum Installed Power X nº of MV/LV substations per feeder; Re-evaluation of the performance of the current workforce management tool in critical situations;  Re-evaluation of the current criteria applied to critical assets and infrastructures  Re-evaluation of the current level of performance in the connection between the EDP’s Call-Centre and the HV/MV/LV Dispatch Centres.  Analysis of the behaviour of the metal and concrete poles during the last storms and re-evaluate the specifications in use nowadays.  Re-evaluation of the current practices in vegetation maintenance in high and medium voltage overhead lines

Frankfurt (Germany), 6-9 June 2011 Response to critical events Be prepared Effective response Analyze and learn

Frankfurt (Germany), 6-9 June 2011 Analyze and learn  After critical days, a deep analysis is done and detailed reports are issued  Every involved areas of the company are consulted  Recommendations are made, based on the analysis, and quick implementation is required

Frankfurt (Germany), 6-9 June 2011 Response to critical days Be prepared Effective response Analyze and learn Foresee weather conditions Mobilise whole company and third- party to an ALERT STATE Have a proper Crisis Operational Actuation Plan Much and better training Prompt solutions to reduce repair time Alternative ways to supply energy Caution with critical facilities and reliability of the communications Special attention to Media Analyze as deep as possible the whole events Establish recommendations and implement them quickly

Frankfurt (Germany), 6-9 June 2011 There is always something to improve.....after all, the next storm can be on its way Thank You