Oncor Presentation

8/14/2019 Oncor Presentation

1/14

Oncor Electric Delivery

OncorSnowstormPower

RestorationEfforts


2/14

Oncor Electric Delivery

Unprecedented winter storm event

All Data is Preliminary

A record

Snowfall inD/FW Area

12.5 inchesin 24 hours

Wet Snow

(1 cubic footweighs 25 lbs)


3/14

2

Fourth Worst Storm In Oncors History

Outagesoverthecourseofthestorm: 572,682

Total Customer Outages Dallas: 185,710

Maximum Customers Out: 234,225 Fri 2/12 9:00 AMDallas - 80,211 Fri 2/12 2:00 AM

RestorationPersonnel:

3,159

1026CompanyEmployees

including203DamageEvaluators

184MutualAssistanceCrews

649

Contract

Distribution

resources

1,300VegetationManagement

Contractors

SafetyStatistics:

4SafetyIncidents

1Vehicleaccident Dallas



4/14

3

Oncors response


EarlyplanningforthestormcommencedonThursdaymorning. Emergencyresources,

bothon

system

and

off

system,

were

placed

on

standby

and

began

arriving

Friday

and

Saturdaytoescalatetherestorationeffortalreadyunderway.


5/14

4

Oncors Storm Restoration Process is a Proven Process

Process: Damage evaluators and first

responders collect storm damage informationfor Command Center to determine workersand materials needed for restoration.

Restoration Priority:Critical loads: hospitals, police stations, firestations, critical water and wastewaterfacilities, and customers with special in-houselife-sustaining equipment.

Next: Repair equipment that will restore powerto the most customers as quickly and safely

as possible.

Feeders (1,000s)

Line Fuses (100s)

Transformers (2-10)

Service Lines (1) All Data is Preliminary


6/145

The new outage management system and smart meters will soon provide Oncor moreautomated outage data and restoration information.

Technology and Customer Calls Play a Key Role in OutageRestoration

Dallas


Operation Center

Troublemen

WORK ORDER

Call Center

ComputerSystems

Operation Center


7/146

How Oncor Locates Power Outages

Alerts

Number and LocationCustomer Calls


8/147

0

2

4

6

8

10

12

14

0

50

100

150

200

250

Thu2/1112AM Thu2/11Noon Fri2/1212AM Fri2/12Noon Sat2/1312AM Sat2/13Noon Sun2/1412AM Sun2/14Noon Mon2/1512AM Mon2/15Noon Tue2/1612AM Tue2/16Noon

CumulativeSnowfallinInches

Cust

omersOut(000)

Feb2010SystemandDallas CustomerOutagebyHour

OncorCustomersOut(preliminary) DallasCustomersOut(preliminary) InchesCumulativeSnowfall(NOAADFWStation)

MaxDallas CustomerOutagecount

of80,211occuredFriday,2/12at

2:00AM


70% of the Dallas region outageswere due to trees


9/148

Vegetation Management program played acrucial role in reducing potential outages

Distributionfeederswhichhavehad

vegetationpruningintheproceedingfour

yearsexperiencedapproximately1/3the

numberofoutagesasthosenotprunedin

thepriorfouryears.


Theimpactofthestormcouldhave

beenmuchworse.Recentpruning of

mainlinesdramaticallyreducedthe

likelihoodofafeederoutage.

Additional

post

storm

pruning

will

take

placeinthecomingweeksinareaswhere

treescausedpoweroutages.

Contractorswillremovebrushfromthe

pruningbutitmaynotbeatthetimeof

pruning.


10/149

Communication with City During the Storm

Initialcommunicationfocusedonprovidinganoverallstormimpact

assessmentandtobegincoordinatingwithcityemergency

managementandpublicworksrepresentativestoidentifycritical

customers(suchassewerliftstations,waterpumpfacilities,hospitalsandothercriticalcustomers)whowerewithoutpower.

OncoremployeesstaffedpositionsattheOncorEmergency

OperationsCenters

and

the

City

of

Dallas

Emergency

Operations

Center.

Oncorrepresentativesalsospentsignificanttimerespondingto

electedofficials,

community

leaders

and

city

staff

to

provide

press

releasesandfollowupwithcustomersasrequested.



11/1410All Data is Preliminary

Call Center Volumes were Significant

AgentCalls IVR/TFCC*

TotalCalls

55,999 640,905

OverallHighestHourofCalls

2/11/201045PM 1,863 2/12/1089AM 39,270

DailyPeak

Hours

2/11 4

5PM 1,863 910PM 20,623

2/12 910AM 1,575 89AM 39,270

2/13 1011AM 856 910AM 9,666

2/14 910AM 583 9

10AM 3,377

AverageCallsPerHour

2/11 842 5,897

2/12 840 15,382

2/13 411 3,810

2/14 240 1,615

Call Volumes

0

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

Thu 2-11 Fri 2-12 Sat 2-13 Sun 2-14

Agent Only IVR/TFCC

* Interactive Voice Response and out-of-state peakvolume call center resources


12/1411

Unprecedented winter storm event


Critical Load including pumping stations,hospitals and police stations restoredwithout significant incidents

Schools were restored in time for Monday classes

Tree pruning significantly reduced outages Elected officials were able to reach Oncor contacts

for escalated issues

What went right?

What needs improvement?

Communication, Communication, Communication- About

- our restoration process and progress

- estimated restoration timeframes

- With- Customers- City Officials

- Media


13/1412

Process Changes Underway based on Lessons Learned


Communication

- Interactive Voice Response System improvements- Greater Access to live agents- More effective outbound messaging- Improved wire down communication with customers

More information on restoration process and progress- More timely updates on critical load- High level work area information- Estimated restoration time frames

Near Term

Already Planned for 2011 and BeyondA new outage management system and smart meterswill provide more timely information regarding outages and restoration progress


14/1413

Thank you for your support and patience during thisunprecedented winter storm event!


D/FW Metroplex

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