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

Nuno Ferreira– Portugal – Session 3 – Paper ID:561

UTILITIES RESPONSE TO EXTREME CONDITION EVENTS

EDP DISTRIBUIÇÃO CASE


Evolution of TIEPI from 2000 to 2010 in Portugal

626 min/year

116 min/year

81% decrease


Impact of adverse weather conditions ondaily indicators

“West zone” Storm23-Dec-2009

Xynthia Storm27-Fev-2010

5-Dec-2010


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


The trigger to a serious reflection

December,232009Storm

December,232009Storm

number of simultaneous tripped feeders, from 23 to 26 of December, 2009


Response to critical events




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


Dedicated Weather Forecast Tool

BE PREPARED


Increase and broaden Training

Achieve closer relations with National Authorities for Civil Protection

BE PREPARED




Effective response

Increase the availability of emergency generators

LV/MV mobile power transformers that can supply an island of MV/LV substations


Effective response

Mobile DC supply solutions

Autonomy of communications and mobile communication suppliers in critical situations


Effective response

Solutions that can by-pass the unavailable assets of the damaged network

14


Effective response

Fast solutions for broken or fallen poles


Effective response

Relations with media

Software tool that can be a source of information to several levels of decision


Multi-function truck: manage the network, operational and media centre near affected areas.

Effective response


Effective response Changes in dispatch centres organization

Operational Center Pivot

MaintenancePivot

AutomationPivot

N3/TPE

FIELDCREWS

SCADA/DMS Operation

Dispatch Center Pivot

Manage means

Repairment crews

Manage means/repair

Crisis Cabinet

OMS Operation

Situation Monitoring

High Voltage Dispatch center


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




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


Response to critical days

•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


There is always something to improve...

..after all, the next storm can be on its way

Thank You

Documents

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