Strom Response - ESB Networks

Irish National Committee Training Day

Stephen Treacy – ESB Networks

Jarlath Doyle – ESB Networks

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Introduction

I. Introduction

II. Part A

• Recent Storm Events

• Historical Storm Events

III. Part B

• Storm Ophelia

J.Doyle & S.Treacy

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Winter Storms – Nov 13 to Feb 14 (Darwin)

• “Shannon Airport reported its highest winter

mean windspeed in 31 years with 12.3 knots (23

km/h), while some stations in the South had their

highest mean windspeeds in 24 years. The

highest gust of the season was 86 knots (159

km/h) at Shannon Airport on the 12th February,

its highest for winter on record (68 years)” Met

Éireann Winter 13/14 Report

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Winter Storms – Nov 13 to Feb 14

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Poleset 200 –Cashla-Ennis

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Poleset 200 –Cashla-Ennis

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Tarbert-Tralee 2 [129 & 130]

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Summary of failures & faults - Darwin

1. Collapse of seven transmission 110

kV Poles

2. Five other 110 kV OHL also tripped

out on earth faults across both

events

3. Severe damage to distribution

system

4. Approx. 260,000 ESB customers

were without power at peak

5. Immediate restoration work ~ 2

weeks

6. Full repair – 6 months

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Historical Storm Events - Typical Siemens Tower Failure

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Siemens 110kV Tower Failures

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Historical Storm Events – 400 kV in Cahermurphy

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Part B: Storm Ophelia

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Storm Ophelia

At its peak 385,000 homes and businesses had no

electricity

– South West 224,000

– Dublin South and South East 55,000

– Mid West 59,000

– Dublin North/Dundalk 36,000

– North West 11,000

There were over 5,500 individual fault locations

It resulted in 11.7m Customer Hours Lost

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Today

Safety Information Restoration

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Before the storm…

Day -4: Thursday Forecasts

Day -3: 2pm on Friday - Emergency Plan Invoked

Day -2: ESB Networks Crisis Management Meetings

Saturday morning and evening (Request assistance from UK on Saturday

9am)

Day -1: 3pm Sunday

Networks Emergency Management Team Convene in Leopardstown

Met Éireann Advisory issued on Thursday afternoon:

A combination of a vigorous Atlantic weather system and the remnants of Hurricane Ophelia will pass close to

Ireland on Monday, and has the potential to be a high-impact event in parts of the country. There is a lot of

uncertainty as to the exact evolution and movement of this weather system during the coming four days, but

storm-force winds, outbreaks of heavy rain, and very high seas are threatened. Met Éireann will maintain a

close watch on the evolution and issue further advisories and warnings as these are warranted.

Saturday 14/10/17

Level Red for southwest & west (5 counties), orange for the rest of country.

Ex-hurricane Ophelia is expected to bring severe winds and stormy conditions on Monday. Mean wind speeds in excess of 80 km/h and gusts in excess of 130km/h are expected, potentially causing structural damage and disruption, with dangerous marine conditions due to high seas and potential flooding.

J.Doyle & S.Treacy

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National Co-Ordination

● NECG convenes Sunday 15th 10am

● Closure of Schools

● Extension of Red Warning to entire country

● Safety and Information

● ESB is a leader in this area

J.Doyle & S.Treacy

Storm Ophelia

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During Ophelia - Monday 16th October – Day 0

Safety

● Public Safety

– Stay Safe Stay Clear

– Contact us

● Staff Safety

● Wait until the wind has passed

Information

● NECG meeting @10am/2pm/4pm

● Network Storm Co-ord group meet 8am/2pm/7pm

● Forecasted customer outage of 450k

● Signal intent for the rest of the week

Restoration

● First fault at 07:45 Co. Cork

● No work during the storm - remote operations via Control Centre

● Work commenced at 4 pm

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Storm Ophelia - Customer Outage Volume

Outages Customers without SupplyJ.Doyle & S.Treacy

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Safety

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Restoration

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Data Analytics – See what you can do…

Data Analytics team

deployed to the Control

Centre where they had

access to data from live

operations systems and their

own data tools

Then redeployed to affected

areas

J.Doyle & S.Treacy

Mutual Aid NIE 187

Northern PowerGrid 16

WPD 37

Manx 5

Scottish Power 20

UK Power Networks 24

Electricity North-West 38

ENEDIS (France) 27

Morrison Utility

Services15

Total 359

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Information

Date Day Messages

15-Oct -1Public Safety Preparedness

16-Oct 0Public Safety Expectations Damage Assessment What will come tomorrow

17-Oct 1Public Safety Restoration Prioritisation Stakeholder Information What will come tomorrow

18-Oct 2Public Safety Estimated Restoration Times What will come tomorrow

19-Oct 3Public Safety Geographic Report What will come tomorrow

20-Oct 4Public Safety Updated ERTs Storm Brian

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Information

J.Doyle & S.Treacy

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Shoulders of Giants

• Resources

• Nothing gets done without people

• Army

• NEWSAC

• Contractors

• Organisation

• Staff Safety and Welfare

• Mobile drying units

• Daily Safety presentations & Safety Performance

• Food for depots

• Inductions in Training Centre

• Safety Briefings & Warnings to Public about fallen wires

• Stock of PPE

• Materials Management

• Emergency Management

• Responsibility splitting – stakeholder, operations, media, welfare, action log & lessons learned,

resources, information, communications, customer, safety

• Devolved Control & Splitting areas

• Daily SMT conference calls + SMT experienced in weather events

• Help, support and interest from other parts of ESB

• Customer and Stakeholder Management

• Leixlip Contact Centre open early

• Information management

• Managing politicians

• Regular media & stakeholder briefings

• Media

• Extent of media interest

• IT and Social Media

• New OMS

• Data Analytics

• Depot, Worksite & MPRN Apps

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From Customers to Families

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The Future

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Continual Improvement

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Ophelia vs. Darwin

Darwin Opheia

J.Doyle & S.Treacy

Thank You