The experience of managing natural hazards in the electrical sector in Spain

Emergency Val d’Aran18-6-2013

Oxford5/4/2016

Francesc Alemany

2

Enel: Energy distribution

5/2/2016

Enel Group in Spain: 19% customers and 24% energy

1,31,82,52,86,6

Italia

11,9(19%)

RumaníaLATAM

31,6(52%)

2,7(4%)

España

15,0(25%)

Distributed Energy (TWh)

2 continents

8 countries

61,2 million customers

417 TWh distributed energy

816191423

15(3%)

Rumanía

98(24%)

226(54%)

Italia España LATAM

79(19%)

Customers (million)

BrasilColombiaArgentinaChilePerú

BrasilColombiaArgentinaChilePerú

3

ENDESA RED Situation

5/2/2016

EDE is the biggest distributor in Spain

5 big companies

28 million energy supply points

EDE + IBD + GNF represent more than 90% market share

More then 300 little distribution companies with only one million supply points

Endesa (EDE)Iberdrola (IBD)GN Fenosa (GNF)ViesgoHidrocantábrico

3,7(13%)

10,7(37%)

11,9(42%)

0,7(2%)

0,7(2%)

231274

23 18109

clientes(million)

Network length(thousands km)

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EMERGENCY VAL D’ARAN

5/2/2016

June 18th 2013

• Causes• Initial situation• Affected infrastructures• Emergency operation structure• Material and human resources• Supply restoration• Economic cost

Visión General ERed (Barcelona) 5

ENDESA RED Situation

5/2/2016

What’s Val d’Aran?

Val d’Aran : Installed power: 124.600 kVA

Customers: 12.769

Catalonia

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EMERGENCY VAL D’ARAN

5/2/2016

Causes

Exceptional snow acumulation

Temperature increase

More than 100mm rain episode

Thaw and flash floods

+ +

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EMERGENCY VAL D’ARAN

5/2/2016

Customers impact

MunicipioClientestotal

Clientesafectados

Arres 79 79Bausen 6 6Bòrdes, Es 298 298Bossòst 251 251Canejan 25 25Les 679 679Naut Aran 4877 3051Vielha e Mijaran 6392 6369Vilamòs 162 162Total 12769 10920

Customers without supply evolution

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EMERGENCY VAL D’ARAN

5/2/2016

Initi

al s

ituat

ion

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EMERGENCY VAL D’ARAN

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At 10:57 on June 18th. 4411 customers affected ( 37% of total customers) 7 MV lines and 89 Secondary substations MV/LV

Municipio Clientes Totales

Afectación MT   % Afectación

Vielha e Mijaran 6392 1689   26%Naut Aran 4877 2180   45%Bòrdes, Es 298 298   100%

Bossòst 251 3   1%Vilamòs 162 162   100%

Arres 79 79   100%Total 4411   37%

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EMERGENCY VAL D’ARAN

5/2/2016

What is the magnitude of the disaster?

After the first attempts to restore the supply through the Control Center, we need to know the affected infrastructures.

Difficulties:- Roads cut, flooded or destroyed.-Weather conditions .- Comunications.

Information sources: Helicopter Authorities. Customers. Emercency Managers. Security forces

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EMERGENCY VAL D’ARAN

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Affected infrastructures

Line 25kV double circuit Vielha1-2

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EMERGENCY VAL D’ARAN

5/2/2016

Affected infrastructures

Line 25kV Salardu Line 25kV Gausac

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EMERGENCY VAL D’ARAN

5/2/2016

Affected infrastructures

HV Line 110kV double circuit Arties-Vielha

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EMERGENCY VAL D’ARAN

5/2/2016

Affected infrastructures

MEDIUM VOLTAGE(MV)Aerial network: 5km

Underground network: 0,5kmSupports: 35

Secondary substations: 3

LOW VOLTAGE (LV)Aerial network: 5km

Underground network: 0,5kmSupports: 23

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EMERGENCY VAL D’ARAN

5/2/2016

Emergency operation structure

OPERATIVE UNIT IN VAL D´ARAN • Operative coordination of field force, auxiliary

generators, helicopters, contractors…•Inspection of affected infrastructures

• Priority analisys• Communication and permanent contact with local

government• Operative coordination with Endesa Generation • Customers office, and supply estate information

CRISIS COMMITTEE DIVISION CATALUNYA OCCIDENTAL EDE•Coordination with the Administration (CECAT, DGEiM, …)

• Report to ENDESA top management• Logistic coordination• Media comunications

CONTROL ROOM IN BARCELONA• Real time network information

• Specific operation of Val d’Aran Network• Systems information update

• Network operation to saefety works•Operative coordination with Endesa

Generation Control Room

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EMERGENCY VAL D’ARAN

5/2/2016

Material and human resources

Endesa move to Val d’Aran:

2 helicopters 18 emergency generators 3 heads of EDE with vehicles 7 engineer of EDE with vehicles 15 technicians of EDE with vehicles 66 contractor specialists(from 9 companies) with vehicles 11 SAT mobiles

Moving around the affected area was carried out in coordination with Civil Protection and Mossos d’Esquadra(Catalonia police) and Fireman. With the helicopters could recognize the inaccessible affected areas and access to inaccessible places without risk, moving staff to maneuver, recognize line sections, and isolate sections of installations affected.

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EMERGENCY VAL D’ARAN

5/2/2016

Material and human resources

From 2nd day we have the next additional resourcces:2 Army Helicopters form UME (Unidad Militar de Emergencias) to transport heavy emergency generators, more than 2.500kg.

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EMERGENCY VAL D’ARAN

5/2/2016

Supply restoration

1st PHASE (36H) Emergency Phase. Target: supply recovery

• TARGET: 100% Supply recovery with maximun safety and as fas as posible.• Definition of emergency resources (human, material and auxiliary)• Air and ground observation of the affected area.• Manual operation with air and land travel.• Isolation of damaged infrastructures• Recovery service lines unaffected.• Air transport and connection of emergency generators.• Some customers can be prioritized by authorities demands ( Hospitals,Town Hall..).

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EMERGENCY VAL D’ARAN

5/2/2016

Supply restoration

2nd PHASE (7 days) Temporary repair

•TARGET: Temporary reconstruction of HV, MV and LV lines to disconnect emergency generators• Transport and placement of concrete blocks and wooden supports• Provisional laying overhead and underground sections MT, performing marking, fencing,

tapes, plates of danger, informing municipalities and individuals affected.• BT braided cable laying• Installing mobile secondary substations MV/LV

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EMERGENCY VAL D’ARAN

5/2/2016

Supply restoration

2nd PHASE (7 days) Temporary repair

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EMERGENCY VAL D’ARAN

5/2/2016

Supply restoration

•OBJETIVO: Definitive reconstruction• Development of facilities construction projects urgently.• Obtaining all official permits and individuals• Budget approval• Final construction• Final permisions to put on service by the DGEiM(Local energy government)

3th PHASE (> 60 Días) Definitive construction

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EMERGENCY VAL D’ARAN

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Economic cost

TOTAL COST 1,6 M€

Most of the costs incurred in phases 1 and 2 can not be recovered from the insurance company.

The insurance company, in phase 3, only accept the reconstruction costs, no improvements.

Build safer facilities often need a more complex legal process that simple reconstruction.

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EMERGENCY VAL D’ARAN

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Material and human resources

ZERO ACCIDENTSZERO OPERATING ERRORS

Our first objective and

our main success

Questions?

Thank you and thanks to every one who helped us to keep the “ligths on”