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Circuit Reliability Review Santa Ana 2020
Transcript

Circuit Reliability Review

Santa Ana

2020

2

• Southern California Edison (SCE) is an Edison International company

• One of the nation’s largest electric utilities

• More than 130 years of history

• Headquartered in Rosemead, California

• Regulated by the California Public Utilities Commission (CPUC) and the Federal Energy Regulatory Commission (FERC)

• 50,000 square miles of SCE service area across Central, Coastal, and Southern California

• 15 million residents in service territory

• 5 million customer accounts in 445 cities and communities

Who We Are

Our Grid

To deliver power safely, reliably and affordably, we monitor and maintain a vast electricity system.

730,000 Transformers

119,000 Miles of Transmission and Distribution Lines

4,600 Circuits

1.5 Million Poles

50,000 Square Miles

3

Strengthening and Modernizing the Grid

• Infrastructure reliability – updating underground

cables, poles, switches, and transformers

• Wildfire mitigation – hardening infrastructure,

bolstering situational awareness capabilities, and

enhancing operational practices

• Transmission – connecting renewables, installing

new substations, and updating lines

• Grid readiness – updating the grid for impacts

from new technologies

• Long-term energy policy – supporting energy

storage, electric vehicles, and renewables

SCE plans to spend more than $5B each

year to maintain, improve, and harden

its infrastructure.

SCE’s investments support safe, reliable, affordable, and clean energy for our customers

2019 Capital Investments

179 miles of underground cable replaced

502 miles of overhead conductor replaced for public safety

16.4k distribution poles replaced

4.3k transmission poles replaced

71 underground structure replacements

4

PATHWAY 2045SCE’S vision to help California achieve a carbon neutral future

Carbon neutrality is achieved through deep decarbonization of

electricity, transportation and building electrification,

and the use of low-carbon fuels

Meeting California’s Climate Change Goals

5

• SCE filed its second Wildfire

Mitigation Plan in February 2020

• It builds on the progress made

in 2019 to reduce the risk of fire

ignitions caused by utility

infrastructure

• SCE crews will continue to work

to install hi-tech wildfire

mitigation tools and

technologies to make

communities safer, more

resilient, and to help reduce the

number of Public Safety Power

Shutoffs (PSPS)

Addressing Wildfire Risk

6

• De-energizing power lines to prevent ignitions

• Used during elevated fire conditions

• Primarily impacts circuits in high fire risk areas

• Use of multiple methods to notify people in affected areas before, during and after a de-energization event

Public Safety Power Shutoffs (PSPS)

7

4-7 DAYS AHEAD

3 DAYSAHEAD

2 DAYSAHEAD

1 DAY AHEAD POWER SHUTOFF

POWER RESTORATION

PLANNING AND MONITORING OUTAGE

*Erratic or sudden onset of conditions may impact our ability to provide advanced notice to customers.

Forecast Weather & Fire

Conditions

SCE Incident Management Team on Alert

County Operational Areas

informed of potential activation

SCE Incident Management

Team Activated

1st Notification PSPS Possible sent

to agencies and customers

2nd Notification PSPS

Possible

3rd Notification Power Shutoff

4th Notification Power Restored After Inspection

Reliability Overview

8

What is Reliability?

• In simplest terms:

Having dependable electricity when you need it.

• Outages:

• Maintenance outages (aka planned outages)

• Repair outages (aka unplanned outages)

• Sustained Outage = An outage lasting > 5 minutes

• Momentary Outage = An outage lasting ≤ 5 minutes

9

Major Event Day (MED) : A day in which the daily system SAIDI exceeds a threshold value. For the purposes of calculating daily system SAIDI, any interruption that spans multiple calendar days is accrued to the day on which the interruption began. Statistically, days having a daily system SAIDI greater than a threshold value are days on which the energy delivery system experienced stresses beyond that normally expected (such as severe weather).

Public Safety Power Shutoff (PSPS) : An operational protocol that SCE implements under extreme weather conditions in order to minimize the threat of wildfires and keep communities safe from potentially dangerous situations. These types of sustained outages are temporary and usually involve situations where high fire areas are experiencing adverse weather or public safety is at risk.

How Do We Measure Reliability?

SAIDI SAIFI MAIFI CAIDI

10

CityList1Communities in the SANTA ANA District

CITY OF ORANGE

GARDEN GROVE

SANTA ANA

TUSTIN

TUSTIN FOOTHILLS

VILLA PARK

ANAHEIM

11

*”Exclusions” are days which utilities are allowed to remove from their metrics because the outages on those days were caused by a severe acts of nature.**In the columns showing “Rank,” lower numbers indicate poorer performance.

12

CircuitList1Overview of Santa AnaThere are 109 circuits that serve Santa Ana 1

Circuit Type Customers Circuit Type Customers Circuit Type Customers Circuit Type Customers

ACME(12KV) 644 DOVER(4.16KV) 544 NATALIE(12KV) 1,701 SULLY(12KV) 724

AGENA(12KV) 1,199 EAGLE(12KV) 182 OFFSIDE(12KV) 1,331 SUNFLOWER(12KV) 26

ALLOY(12KV) 1,551 EDSEL(12KV) 2,055 OILWELL(12KV) 1,283 TACOMA(12KV) 1,062

ALMOND(12KV) 3,781 ENGLISH(12KV) 2,358 ORIOLE(12KV) 1,849 TETRIS(12KV) 1,845

ALUMINUM(12KV) 2,073 ESSEX(12KV) 1,994 PARROT(12KV) 864 THELMA(12KV) 2,478

ANAHURST(4.16KV) 973 EXPLORER(12KV) 218 PARTON(4.16KV) 683 TITANIUM(12KV) 504

ANTONE(12KV) 2,232 FARO(12KV) 21 PASS(12KV) 2,114 TITTLE(12KV) 2,575

BEECHNUT(12KV) 1,608 FILBERT(12KV) 408 PEANUT(12KV) 1,700 TOUCHDOWN(12KV) 878

BEERNUT(12KV) 3,240 FLINT(12KV) 2,042 PECAN(12KV) 342 URANIUM(12KV) 1,677

BEGONIA(12KV) 367 FLORES(12KV) 232 PELICAN(12KV) 108 VIPER(12KV) 1,366

BILLINGS(12KV) 135 FLOWER(4.16KV) 59 PENALTY(12KV) 2,378 VOYAGER(12KV) 296

BINGO(12KV) 593 HALEY(12KV) 36 PINOCHLE(12KV) 75 WILLETS(12KV) 2,417

BISMUTH(12KV) 2,417 HAWK(12KV) 2,520 PINON(12KV) 367 WINGNUT(12KV) 2,577

BRITTAN(12KV) 1,289 HAZELNUT(12KV) 1,288 PISTACHIO(12KV) 1,975 YAHTZEE(12KV) 276

BULLOCKS(12KV) 851 HEXNUT(12KV) 1,400 POKER(12KV) 2,261 YOUNGER(12KV) 3,745

BUTTERNUT(12KV) 1,627 JOAQUIN(12KV) 345 POLLARD(12KV) 339 YUMA(12KV) 496

CADMIUM(12KV) 1,377 KICK(12KV) 2,052 PUNT(12KV) 1,349 MCFADDEN(12KV) 536

CALICO(12KV) 3,507 KLINGON(12KV) 63 RAMBLER(12KV) 3,339 MENDOCINO(12KV) 1

CASSINI(12KV) 75 LEOPARD(12KV) 1,978 RAVEN(12KV) 1,239 WELLINGTON(4.16KV) 1

CATHY(12KV) 2,509 LISA ANNE(12KV) 1,462 REDHILL(12KV) 173 -

CHEETAH(12KV) 2,730 LOLA(12KV) 444 RUMMY(12KV) 93 -

CHRISTINE(12KV) 2,328 LYNX(12KV) 691 RUTH(12KV) 919 -

CLEAT(12KV) 1,251 MABLE(12KV) 952 SAKIOKA(12KV) 1,225 -

COBALT(12KV) 3,052 MACADAMIA(12KV) 605 SCRABBLE(12KV) 481 -

COCO(12KV) 563 MAIN ST.(4.16KV) 607 SEGERSTROM(12KV) 1,464 -

CORNNUT(12KV) 70 MARY(12KV) 2,436 SKYPARK(12KV) 59 -

CRIBBAGE(12KV) 157 MCKEEVER(12KV) 3,590 SOLITAIRE(12KV) 119 -

CUBBON(4.16KV) 658 MELISSA(12KV) 1,576 SPADES(12KV) 72 -

DELHI(12KV) 1,148 MIAMI(4.16KV) 892 SPARROW(12KV) 133 -

DORIS(12KV) 1,081 MONOPOLY(12KV) 119 SUGAR(12KV) 2,476 -

Grand Total 134,246

13

BarChart

SCE SYSTEMWIDE

**Data is as of 02/14/2020, data

can be slightly different due to

outage data validation process

Santa Ana

Reliability History of Circuits Serving Santa Ana (No Exclusions)

**“Exclusions” are days which

utilities are allowed to

remove from their metrics

because the outages on

those days were caused by

acts of nature.

107.497.6

76.2 78.0

134.5 139.7 136.8

178.0

0.0

50.0

100.0

150.0

200.0

2016 2017 2018 2019

SAIDI

(average

minutes of

sustained

interruptions)

1.0

0.80.7 0.7

1.11.2

0.9

1.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

SAIFI

(average

frequency of

sustained

interruptions)

1.31.4

1.31.1

1.6

1.8

1.4 1.4

0.0

0.5

1.0

1.5

2.0

MAIFI

(average

frequency of

momentary

interruptions)

14

SAIDIChart

SAIDI = the cumulative amount of time the average customer is interrupted by “sustained” outages each year.

Causes of Repair Outages in Santa Ana

2019

3rd Party

21.2%

Equipment Failure

55.2%

Operation

9.3%

Other

9.4%

Vegetation /Animal

2.3%

Weather /Fire

/Earthquake

2.6%

PSPS

0.0%

Contributions to SAIDI by Outage Cause

3rd Party

Equipment Failure

Operation

Other

Vegetation /Animal

Weather /Fire /Earthquake

PSPS

Equipment Failure

e.g., in-service failure of transformer, switch, or conductors

Vegetation/Animale.g., tree branch, rodent, or bird

causing a short circuit between conductors

Othere.g., patrolled but no cause found,

PSPS Operations

e.g., urgent maintenance w/o 3-daynotice

3rd Party e.g., balloon, car hit pole, dig-in

PSPS

e.g., Public Safety Power Shutoff

15

SAIFIChart

SAIFI = the number of times the average customer is interrupted by “sustained” outages each year

Causes of Repair Outages in Santa Ana

2019

3rd Party

16.4%

Equipment Failure

56.3%

Operation

12.5%

Other

6.1%

Vegetation /Animal

7.1%

Weather /Fire

/Earthquake

1.7%

PSPS

0.0%

Contributions to SAIFI by Outage Cause

3rd Party

Equipment Failure

Operation

Other

Vegetation /Animal

Weather /Fire /Earthquake

PSPS

Equipment Failure

e.g., in-service failure of transformer, switch, or conductors

Vegetation/Animale.g., tree branch, rodent, or bird

causing a short circuit between conductors

Othere.g., patrolled but no cause found

Operationse.g., urgent maintenance w/o 3-day

notice 3rd Party

e.g., balloon, car hit pole, dig-in

PSPS

e.g., Public Safety Power Shutoff

16

17

18

Back-up Slides

Reliability Histories of Circuits Serving Santa Ana

Updated through Dec 2019

19

CitySummary

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

107.4 1.0 1.3 97.6 0.8 1.4 76.2 0.7 1.3 29.4 0.3 0.4 9.3 0.1 0.1 21.9 0.2 0.2 17.5 0.2 0.4 78.0 0.7 1.1

3rd Party 17% 21% 41% 33% 35% 52% 20% 26% 33% 18% 13% 10% 47% 45% 45% 23% 13% 46% 12% 12% 13% 21% 16% 21%

Equipment Failure 43% 27% 25% 43% 35% 13% 45% 37% 15% 49% 59% 14% 34% 14% 13% 62% 61% 15% 69% 65% 55% 55% 56% 27%

Operation 10% 20% 14% 14% 20% 6% 9% 17% 19% 6% 11% 54% 16% 23% 30% 10% 17% 20% 11% 5% 1% 9% 12% 28%

Other 18% 20% 10% 2% 2% 19% 10% 9% 18% 23% 14% 21% - - 11% - - 2% 3% 4% 22% 9% 6% 17%

Vegetation/Animal 1% 2% 2% 1% 2% 2% 1% 1% 6% 1% 1% - 3% 18% - 5% 8% 17% 1% 11% 10% 2% 7% 7%

Weather/Fire/Earthquake 9% 9% 8% 7% 6% 8% 14% 9% 9% 4% 2% 2% - - - - - - 4% 4% - 3% 2% 1%

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SCE SYSTEMWIDE 134.5 1.1 1.6 139.7 1.2 1.8 136.8 0.9 1.4 28.1 0.3 0.4 18.9 0.2 0.4 31.8 0.2 0.3 99.3 0.3 0.3 178.0 1.0 1.4

2nd Qtr 2019 3rd Qtr 2019

109 Circuits Serving Santa Ana -- Total

Customers: 134,246

Average Reliability of 109 Circuits Serving Santa Ana

4th Qtr 2019 20192016 2017 2018 1st Qtr 2019

Notes:

No outages are excluded from the metrics.

Outage Causes: Other: e.g., patrolled but no cause could be foundOperations: e.g., urgent maintenance w/o 3-day notice to customers3rd Party: e.g., balloons, car hit pole, dig-inVegetation/Animal: e.g., tree branch, rodent, or bird causing short circuit across conductorsPSPS: e.g., Public Safety Power Shutoff

SAIDI (minutes) = the cumulative amount of time the average customer is interrupted by “sustained” (longer than 5 minutes) outages.

SAIFI (interruptions) = the number of times the average customer is interrupted by “sustained” outages.

MAIFI (interruptions) = the number of times the average customer is interrupted by “momentary " (lasting 5 minutes or less) outages.

20

CircuitHistory1

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

ACME(12KV) - Customers: 644 58.5 1.1 - - - 2.0 12.2 0.1 1.0 107.3 1.9 - - - - - - - - - - 107.3 1.9 -

3rd Party - - - - - 100% 100% 100% 100% - - - - - - - - - - - - - - -

Equipment Failure 78% 93% - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - 100% 100% - - - - - - - - - - 100% 100% -

Other 22% 7% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

AGENA(12KV) - Customers: 1,199 27.0 0.1 - 37.8 0.2 - 140.8 1.4 1.9 177.8 1.0 2.0 12.7 0.1 - 0.1 0.0 - - - - 190.6 1.1 2.0

3rd Party - - - - - - - - - - - - - - - 100% 100% - - - - 0% 0% -

Equipment Failure 90% 74% - 100% 100% - 50% 16% - 100% 100% 50% 100% 100% - - - - - - - 100% 100% 50%

Operation 10% 26% - - - - 48% 81% 50% - - - - - - - - - - - - - - -

Other - - - - - - - - - - - 50% - - - - - - - - - - - 50%

Vegetation/Animal - - - - - - 2% 3% 50% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ALLOY(12KV) - Customers: 1,551 - - 2.4 - - 2.0 12.3 0.1 - - - - 1.0 0.0 - 0.2 0.0 - 67.4 1.0 0.6 68.6 1.0 0.6

3rd Party - - 100% - - 100% 14% 62% - - - - 100% 100% - - - - - - - 2% 1% -

Equipment Failure - - - - - - 86% 38% - - - - - - - - - - 100% 100% 100% 98% 98% 100%

Operation - - - - - - - - - - - - - - - 100% 100% - 0% 0% - 0% 1% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ALMOND(12KV) - Customers: 3,781 177.1 3.1 4.1 83.5 1.0 4.1 116.0 1.2 1.1 5.1 0.1 - - - - 2.7 0.0 - - - 1.0 7.7 0.1 1.0

3rd Party 31% 33% 73% 99% 99% 100% 8% 8% 100% 100% 100% - - - - - - - - - - 66% 83% -

Equipment Failure 45% 32% 27% 1% 1% - 82% 91% - - - - - - - - - - - - 100% - - 100%

Operation 20% 34% - - - - - - - - - - - - - 30% 38% - - - - 10% 6% -

Other 2% 0% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - 70% 62% - - - - 24% 11% -

Weather/Fire/Earthquake 3% 0% - - - - 10% 1% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 1 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

21

CircuitHistory2

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

ALUMINUM(12KV) - Customers: 2,073 49.9 0.1 - 41.0 0.3 - - - - 0.4 0.0 - - - - - - - - - - 0.4 0.0 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - 91% 51% - - - - - - - - - - - - - - - - - - -

Operation - - - 9% 49% - - - - 100% 100% - - - - - - - - - - 100% 100% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ANAHURST(4.16KV) - Customers: 973 494.7 4.5 5.8 138.0 1.2 3.7 9.2 0.0 2.0 1.5 0.0 - 184.6 1.2 - - - 0.0 24.3 0.5 0.3 210.4 1.7 0.4

3rd Party 9% 4% 16% - - 55% - - 50% - - - 100% 100% - - - - - - - 88% 70% -

Equipment Failure 7% 22% 17% 26% 9% 21% 93% 72% 50% 100% 100% - - - - - - - - - - 1% 1% -

Operation 30% 22% 29% 2% 5% - 7% 28% - - - - - - - - - 100% - - - - - 4%

Other 26% 7% 23% - - 24% - - - - - - - - - - - - 100% 100% 100% 12% 30% 96%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 28% 44% 15% 71% 86% - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ANTONE(12KV) - Customers: 2,232 543.2 2.5 2.0 93.4 1.3 1.0 3.7 0.0 - - - 2.0 - - - - - - - - - - - 2.0

3rd Party - - 50% 5% 3% 100% - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - 75% 80% - 100% 100% - - - - - - - - - - - - - - - -

Operation - - - 8% 11% - - - - - - 100% - - - - - - - - - - - 100%

Other - - - 11% 6% - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - 50% - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BEECHNUT(12KV) - Customers: 1,608 4.2 0.0 1.0 32.4 0.3 - 56.5 1.0 1.0 - - - 134.8 0.3 - - - - - - 1.0 134.8 0.3 1.0

3rd Party 41% 39% - 88% 93% - 64% 99% - - - - 100% 100% - - - - - - - 100% 100% -

Equipment Failure 59% 61% - 12% 7% - 36% 1% - - - - - - - - - - - - 100% - - 100%

Operation - - - - - - - - 100% - - - - - - - - - - - - - - -

Other - - 100% - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

2019

Reliability Histories for Individual Circuits Serving Santa Ana - 2 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019

22

CircuitHistory3

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

BEERNUT(12KV) - Customers: 3,240 87.1 0.3 1.8 39.4 0.2 1.0 3.9 0.0 - 1.9 0.0 - 0.1 0.0 - 71.8 0.3 1.0 3.7 0.0 1.0 77.5 0.3 2.0

3rd Party - - - - - - - - - - - - - - - 92% 84% 100% - - - 85% 74% 49%

Equipment Failure 82% 80% 100% 16% 19% - 100% 100% - 100% 100% - - - - 4% 9% - 94% 91% 100% 11% 18% 51%

Operation 1% 3% - 72% 63% - - - - - - - 100% 100% - 4% 7% - 6% 9% - 4% 8% -

Other - - - - - 100% - - - - - - - - - - - - - - - - - -

Vegetation/Animal 17% 17% - 12% 19% - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BEGONIA(12KV) - Customers: 367 191.6 1.0 1.0 - - 1.9 272.9 2.8 0.7 6.3 0.5 - - - - - - - - - 1.0 6.3 0.5 1.0

3rd Party 99% 100% - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 1% 0% 100% - - 50% 30% 38% - 100% 100% - - - - - - - - - 100% 100% 100% 100%

Operation - - - - - - - - 100% - - - - - - - - - - - - - - -

Other - - - - - - 70% 62% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - 50% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BILLINGS(12KV) - Customers: 135 54.4 0.7 0.7 4.2 0.1 3.0 254.9 3.0 1.0 - - 1.0 - - - - - 1.0 - - - - - 2.0

3rd Party - - - - - - - - 100% - - - - - - - - - - - - - - -

Equipment Failure 100% 100% 100% - - - 35% 33% - - - 100% - - - - - - - - - - - 50%

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - 33% 43% 33% - - - - - - - - - 100% - - - - - 50%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - 67% 22% 33% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BINGO(12KV) - Customers: 593 - - - - - - 2.8 0.0 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 100% 100% - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 3 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

23

CircuitHistory4

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

BISMUTH(12KV) - Customers: 2,417 102.6 3.1 - 30.3 0.1 - 148.2 1.1 - - - - - - - - - - 44.3 0.4 0.4 44.3 0.4 0.4

3rd Party 0% 0% - - - - 94% 94% - - - - - - - - - - 100% 100% 100% 100% 100% 100%

Equipment Failure 31% 1% - 9% 24% - 5% 4% - - - - - - - - - - - - - - - -

Operation 4% 1% - 91% 76% - 2% 1% - - - - - - - - - - - - - - - -

Other 45% 33% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 20% 65% - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BRITTAN(12KV) - Customers: 1,289 11.6 0.0 3.1 - - 1.0 - - 0.8 - - 1.9 - - - 11.4 0.0 - - - - 11.4 0.0 1.9

3rd Party - - 26% - - 100% - - 100% - - - - - - - - - - - - - - -

Equipment Failure - - 48% - - - - - - - - - - - - 100% 100% - - - - 100% 100% -

Operation 100% 100% 26% - - - - - - - - 100% - - - - - - - - - - - 100%

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BULLOCKS(12KV) - Customers: 851 9.5 0.5 - - - 1.0 84.1 1.1 - - - 1.4 - - - - - - - - - - - 1.4

3rd Party - - - - - 100% 71% 87% - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 26% 9% - - - - - - - - - - - - - - - -

Operation 100% 100% - - - - - - - - - 100% - - - - - - - - - - - 100%

Other - - - - - - 3% 4% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

BUTTERNUT(12KV) - Customers: 1,627 90.6 0.3 0.1 88.8 2.2 0.8 15.8 0.5 - - - - 87.8 1.1 2.0 14.3 0.2 - 144.1 0.6 1.0 246.2 1.9 3.0

3rd Party - - - 67% 45% 14% - - - - - - - - - - - - - - - - - -

Equipment Failure 99% 92% 100% - - - - - - - - - 25% 6% - 91% 71% - 95% 79% 100% 70% 36% 33%

Operation 1% 8% - 5% 21% - - - - - - - 75% 94% 100% 9% 29% - 5% 21% - 30% 64% 67%

Other - - - - - - 100% 100% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - 27% 34% 86% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 4 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

24

CircuitHistory5

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

CADMIUM(12KV) - Customers: 1,377 - - - 3.7 0.0 1.0 228.4 2.1 - - - - 54.3 0.2 1.0 - - 1.0 0.8 0.1 - 55.1 0.3 2.0

3rd Party - - - 11% 7% - - - - - - - - - - - - 100% - - - - - 50%

Equipment Failure - - - - - - 50% 53% - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - 100% 100% 100% - - - 100% 100% - 100% 100% 50%

Other - - - - - 100% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - 89% 93% - 50% 47% - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CALICO(12KV) - Customers: 3,507 390.8 2.0 - 617.4 2.1 1.0 109.2 1.5 2.0 39.1 0.3 2.6 5.2 0.0 1.0 149.6 1.1 - - - 1.0 193.9 1.4 4.6

3rd Party 30% 12% - 56% 50% 100% 33% 47% 50% - - - - - 100% - - - - - 100% - - 44%

Equipment Failure - - - 44% 49% - 0% 0% - 99% 97% 31% 91% 48% - 100% 100% - - - - 99% 98% 17%

Operation 0% 1% - 0% 1% - 67% 53% 50% 1% 3% 69% 9% 52% - - - - - - - 1% 2% 39%

Other 69% 87% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CASSINI(12KV) - Customers: 75 133.6 1.0 1.8 - - - 36.7 1.1 - 26.3 1.0 - - - - - - - 131.8 0.2 0.8 158.1 1.2 0.8

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% 45% - - - 100% 100% - 100% 100% - - - - - - - 100% 100% 100% 100% 100% 100%

Operation - - 55% - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CATHY(12KV) - Customers: 2,509 69.4 1.0 1.0 0.3 0.0 - 21.6 0.1 3.0 117.4 0.4 1.0 16.3 0.1 - 0.1 0.0 - 1.3 0.0 - 135.1 0.5 1.0

3rd Party - - 100% - - - - - 67% - - - 2% 1% - - - - - - - 0% 0% -

Equipment Failure - - - - - - 83% 41% - - - - 84% 33% - - - - 100% 100% - 11% 5% -

Operation 3% 3% - 100% 100% - 1% 22% 33% - - - 14% 66% - 100% 100% - - - - 2% 9% -

Other 97% 97% - - - - 16% 36% - 68% 83% 100% - - - - - - - - - 59% 72% 100%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - 32% 17% - - - - - - - - - - 28% 14% -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 5 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

25

CircuitHistory6

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

CHEETAH(12KV) - Customers: 2,730 7.7 0.0 - 223.4 2.9 0.4 182.0 2.1 4.1 90.6 0.6 0.4 - - 1.0 139.1 0.6 1.4 148.7 1.1 0.9 378.4 2.2 3.8

3rd Party - - - 9% 35% - 15% 41% 5% 91% 95% 100% - - 100% 100% 99% 100% - - - 59% 51% 75%

Equipment Failure 100% 100% - 89% 63% 100% 77% 57% 22% - - - - - - - - - 81% 94% 47% 32% 44% 12%

Operation - - - 2% 1% - 8% 2% - 1% 1% - - - - 0% 1% - 19% 6% - 7% 3% -

Other - - - - - - - - 24% 9% 4% - - - - - - - - - 53% 2% 1% 13%

Vegetation/Animal - - - - - - - - 24% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - 24% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CHRISTINE(12KV) - Customers: 2,328 82.5 1.0 1.0 31.9 0.1 3.0 10.5 0.0 0.9 1.6 0.0 - - - - 5.9 0.0 - - - - 7.5 0.0 -

3rd Party 1% 0% 100% - - - 7% 22% - - - - - - - - - - - - - - - -

Equipment Failure 11% 2% - 17% 15% 33% 74% 37% - - - - - - - 78% 75% - - - - 62% 48% -

Operation 0% 0% - 68% 73% - 1% 7% 100% - - - - - - 22% 25% - - - - 17% 15% -

Other 88% 98% - - - - 18% 33% - 100% 100% - - - - - - - - - - 21% 37% -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 15% 12% 67% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CLEAT(12KV) - Customers: 1,251 152.6 2.1 2.3 13.2 0.0 - 211.6 1.0 0.4 - - - - - - - - - - - - - - -

3rd Party 28% 49% 44% - - - 85% 99% 100% - - - - - - - - - - - - - - -

Equipment Failure 51% 48% 56% - - - 15% 1% - - - - - - - - - - - - - - - -

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 21% 3% - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

COBALT(12KV) - Customers: 3,052 339.6 0.8 0.7 119.3 2.3 0.9 238.1 1.3 3.0 - - 0.1 28.5 0.1 - 0.1 0.0 - 7.2 0.1 - 35.7 0.1 0.1

3rd Party - - - 77% 94% 100% 1% 8% 33% - - - - - - - - - - - - - - -

Equipment Failure 81% 79% 100% 10% 1% - 89% 84% 67% - - 100% 91% 85% - - - - 100% 100% - 93% 90% 100%

Operation 19% 21% - 12% 4% - - - - - - - 9% 15% - 100% 100% - - - - 7% 10% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - 2% 1% - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 10% 8% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 6 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

26

CircuitHistory7

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

COCO(12KV) - Customers: 563 17.1 0.1 - 247.7 2.1 - 1.1 0.0 3.0 - - - 4.7 0.0 - - - - - - 1.0 4.7 0.0 1.0

3rd Party - - - - - - 19% 8% 33% - - - - - - - - - - - - - - -

Equipment Failure - - - 99% 99% - 81% 92% 33% - - - 100% 100% - - - - - - 100% 100% 100% 100%

Operation 100% 100% - 1% 1% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - 33% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CORNNUT(12KV) - Customers: 70 - - - 2.9 0.2 - - - - - - - - - 1.0 - - - - - 1.0 - - 2.1

3rd Party - - - - - - - - - - - - - - 100% - - - - - - - - 50%

Equipment Failure - - - - - - - - - - - - - - - - - - - - 100% - - 50%

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CRIBBAGE(12KV) - Customers: 157 70.3 1.0 0.9 1.7 0.0 - 2.6 0.2 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% 100% - - - - - - - - - - - - - - - - - - - - -

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 100% 100% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

CUBBON(4.16KV) - Customers: 658 134.0 2.1 0.9 495.1 3.1 7.4 665.6 1.0 1.0 345.1 1.1 1.1 - - - - - - - - - 345.1 1.1 1.1

3rd Party 50% 51% 100% 26% 32% 36% - - 100% - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation 1% 1% - 24% 35% 24% - - - - - - - - - - - - - - - - - -

Other 50% 48% - - - - - - - 100% 100% 100% - - - - - - - - - 100% 100% 100%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 50% 33% 40% 100% 100% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 7 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

27

CircuitHistory8

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

DELHI(12KV) - Customers: 1,148 63.1 0.2 - 114.5 0.3 - 9.7 1.0 1.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 99% 78% - 98% 50% - - - - - - - - - - - - - - - - - - -

Operation 1% 22% - 2% 50% - 100% 100% - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

DORIS(12KV) - Customers: 1,081 89.6 1.1 1.0 102.8 1.0 - 119.4 2.1 3.6 - - - 17.6 0.1 - - - - - - - 17.6 0.1 -

3rd Party - - 100% 100% 100% - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 99% 98% 44% - - - 100% 100% - - - - - - - 100% 100% -

Operation 23% 31% - - - - 1% 2% 28% - - - - - - - - - - - - - - -

Other 54% 59% - - - - - - 28% - - - - - - - - - - - - - - -

Vegetation/Animal 23% 10% - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

DOVER(4.16KV) - Customers: 544 34.0 0.9 1.0 250.5 3.0 6.0 562.0 3.7 9.5 - - - - - 0.6 130.6 1.1 0.6 - - - 130.6 1.1 1.1

3rd Party - - - 45% 33% 17% 55% 62% 65% - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 26% 7% 19% - - - - - - 97% 98% 100% - - - 97% 98% 50%

Operation 100% 100% - 10% 34% - - - - - - - - - - 3% 2% - - - - 3% 2% -

Other - - 100% 45% 33% 83% 19% 31% 12% - - - - - 100% - - - - - - - - 50%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - 3% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

EAGLE(12KV) - Customers: 182 165.9 1.6 1.0 170.7 2.0 1.9 - - - 480.5 2.0 1.0 - - - - - - - - - 480.5 2.0 1.0

3rd Party - - 100% - - - - - - 25% 50% 93% - - - - - - - - - 25% 50% 93%

Equipment Failure - - - 99% 100% 46% - - - 75% 50% 7% - - - - - - - - - 75% 50% 7%

Operation 100% 100% - 1% 0% - - - - - - - - - - - - - - - - - - -

Other - - - - - 54% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 8 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

28

CircuitHistory9

SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

EDSEL(12KV) - Customers: 2,055 - - 1.0 210.2 1.9 2.8 32.6 0.2 - 13.9 0.2 0.8 - - - - - - - - - 13.9 0.2 0.8

3rd Party - - - - - - 26% 70% - - - - - - - - - - - - - - - -

Equipment Failure - - - 99% 100% 100% 74% 30% - 1% 1% - - - - - - - - - - 1% 1% -

Operation - - 100% 1% 0% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - 99% 99% 100% - - - - - - - - - 99% 99% 100%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ENGLISH(12KV) - Customers: 2,358 4.7 0.1 1.0 12.8 0.1 2.0 106.3 1.1 - 32.7 0.2 2.0 1.0 0.0 - 1.8 0.0 - - - - 35.6 0.2 2.0

3rd Party - - 100% - - 50% 66% 86% - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 13% 5% - - - - 92% 81% - 100% 100% - - - - 8% 13% -

Operation - - - - - - - - - - - 100% 8% 19% - - - - - - - 0% 2% 100%

Other 100% 100% - - - 50% 22% 10% - 60% 71% - - - - - - - - - - 55% 60% -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 100% 100% - - - - 40% 29% - - - - - - - - - - 37% 24% -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ESSEX(12KV) - Customers: 1,994 62.2 0.1 1.0 19.9 1.0 1.0 3.9 0.0 - 1.5 0.0 - 3.4 0.1 1.0 83.9 0.9 1.0 1.2 0.0 - 90.0 1.0 2.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 75% 70% - 26% 2% - - - - - - - 100% 100% 100% - - - - - - 4% 9% 49%

Operation 25% 30% 100% 74% 98% 100% - - - - - - - - - 100% 100% 100% 100% 100% - 95% 91% 51%

Other - - - - - - 100% 100% - 100% 100% - - - - - - - - - - 2% 1% -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

EXPLORER(12KV) - Customers: 218 - - - - - - 0.3 0.0 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - 100% 100% - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 9 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory10SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

FARO(12KV) - Customers: 21 - - - - - - 63.7 0.1 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 100% 100% - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

FILBERT(12KV) - Customers: 408 7.6 0.0 - 0.2 0.0 - - - - - - - - - - 18.2 0.0 - 0.7 0.0 2.0 18.9 0.0 2.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - 100% 100% - - - - - - - - - - 100% 100% - - - 50% 96% 82% 50%

Operation - - - - - - - - - - - - - - - - - - 100% 100% 50% 4% 18% 50%

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

FLINT(12KV) - Customers: 2,042 64.1 2.1 2.0 20.9 0.2 - 64.7 0.6 1.0 4.0 0.0 - - - - 1.3 0.0 - 2.0 0.0 - 7.4 0.0 -

3rd Party 69% 51% 50% - - - 99% 99% 100% - - - - - - - - - 47% 46% - 13% 18% -

Equipment Failure 6% 0% - 19% 7% - 1% 1% - 100% 100% - - - - 100% 100% - 53% 54% - 87% 82% -

Operation - - - 81% 93% - - - - - - - - - - - - - - - - - - -

Other 25% 48% 50% - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

FLORES(12KV) - Customers: 232 - - - 482.0 3.6 3.9 - - 2.0 - - 1.0 - - - - - - 0.3 0.0 - 0.3 0.0 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 42% 44% - - - - - - 100% - - - - - - - - - - - 100%

Operation - - - 58% 56% 52% - - - - - - - - - - - - 100% 100% - 100% 100% -

Other - - - - - 26% - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - 22% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 10 of 28

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30

CircuitHistory11SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

FLOWER(4.16KV) - Customers: 59 491.2 3.1 3.9 49.4 1.1 6.0 39.2 1.1 6.8 - - - 3.2 0.0 - 10.4 0.2 0.6 - - - 13.6 0.2 0.6

3rd Party 57% 32% 77% - - 100% 67% 93% 44% - - - - - - 57% 10% 100% - - - 44% 8% 100%

Equipment Failure 37% 33% 23% - - - 9% 2% - - - - - - - - - - - - - - - -

Operation 2% 33% - 75% 7% - - - 29% - - - 100% 100% - 43% 90% - - - - 56% 92% -

Other 4% 2% - - - - 23% 5% 27% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 25% 93% - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

HALEY(12KV) - Customers: 36 - - 2.0 279.3 1.0 1.0 - - - - - - - - - - - - - - - - - -

3rd Party - - - 100% 100% 100% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - 100% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

HAWK(12KV) - Customers: 2,520 50.4 0.1 - 126.0 1.3 0.5 18.9 0.1 - 123.8 1.0 0.4 11.6 0.1 - 6.9 0.1 - 3.0 0.0 1.0 145.3 1.1 1.4

3rd Party - - - 25% 41% 100% - - - - - - - - - - - - - - - - - -

Equipment Failure 88% 66% - 70% 52% - 100% 100% - - - - - - - 100% 100% - - - - 5% 6% -

Operation 12% 34% - 5% 6% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - 100% 100% 100% - - - - - - - - - 85% 88% 30%

Vegetation/Animal - - - - - - - - - - - - 100% 100% - - - - 100% 100% 100% 10% 6% 70%

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

HAZELNUT(12KV) - Customers: 1,288 1.0 0.0 1.0 7.6 0.0 2.0 20.5 0.2 1.0 - - - 0.2 0.0 - - - - 36.2 0.1 1.0 36.4 0.1 1.0

3rd Party - - - - - 50% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 48% 79% - - - - - - - - - - - - - 100% 100% 100% 99% 75% 100%

Operation 100% 100% 100% - - - 81% 47% 100% - - - 100% 100% - - - - - - - 1% 25% -

Other - - - - - - 14% 47% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - 5% 6% - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 52% 21% 50% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 11 of 28

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CircuitHistory12SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

HEXNUT(12KV) - Customers: 1,400 0.3 0.0 - 141.1 1.6 0.9 18.4 0.6 - 10.1 0.0 1.0 - - 1.0 26.0 0.5 0.5 - - 1.0 36.1 0.5 3.5

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 96% 99% 100% 5% 2% - - - - - - - 82% 96% 100% - - 100% 59% 92% 44%

Operation 100% 100% - 1% 1% - - - - 100% 100% 100% - - - 18% 4% - - - - 41% 8% 28%

Other - - - - - - 95% 98% - - - - - - 100% - - - - - - - - 28%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 3% 1% - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

JOAQUIN(12KV) - Customers: 345 708.7 3.9 9.1 144.0 0.5 5.9 183.6 2.8 3.0 19.4 0.1 3.9 0.5 0.0 - - - 1.0 3.0 0.0 - 22.9 0.1 4.9

3rd Party - - - - - - 3% 3% 30% - - - - - - - - - - - - - - -

Equipment Failure 95% 92% 49% 95% 50% 17% 57% 32% - 100% 100% 23% - - - - - - 100% 100% - 98% 94% 19%

Operation 5% 6% - 3% 33% - - - - - - - 100% 100% - - - - - - - 2% 6% -

Other 0% 2% 51% - - 34% - - 67% - - 77% - - - - - 100% - - - - - 81%

Vegetation/Animal - - - 2% 17% 15% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - 34% 41% 64% 3% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

KICK(12KV) - Customers: 2,052 7.8 0.1 2.0 164.4 0.2 2.2 38.5 0.9 - 10.0 1.0 - - - - - - - - - - 10.0 1.0 -

3rd Party - - 50% 45% 31% 62% - - - - - - - - - - - - - - - - - -

Equipment Failure 61% 37% 50% - - - - - - 100% 100% - - - - - - - - - - 100% 100% -

Operation 39% 63% - - - - 100% 100% - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - 55% 69% 38% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

KLINGON(12KV) - Customers: 63 - - - - - - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 12 of 28

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CircuitHistory13SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

LEOPARD(12KV) - Customers: 1,978 27.7 0.1 - 10.8 0.1 - 196.1 1.7 - - - - 51.2 1.2 - 94.4 1.0 - - - 1.0 145.6 2.2 1.0

3rd Party - - - - - - - - - - - - 99% 99% - - - - - - - 35% 54% -

Equipment Failure 84% 43% - 26% 11% - 59% 97% - - - - - - - 100% 100% - - - - 65% 46% -

Operation 16% 57% - 74% 89% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - 100% - - 100%

Vegetation/Animal - - - - - - - - - - - - 1% 1% - - - - - - - 1% 0% -

Weather/Fire/Earthquake - - - - - - 41% 3% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

LISA ANNE(12KV) - Customers: 1,462 24.3 0.4 1.7 56.7 1.7 1.8 57.8 1.2 0.2 4.9 0.0 - 10.4 0.0 - 7.1 0.1 - - - - 22.4 0.1 -

3rd Party - - 60% - - 54% 67% 86% - - - - - - - - - - - - - - - -

Equipment Failure 22% 3% - 72% 37% 46% - - - - - - 100% 100% - - - - - - - 46% 15% -

Operation - - - 20% 61% - 33% 14% 100% - - - - - - 28% 43% - - - - 9% 34% -

Other - - - - - - - - - 100% 100% - - - - - - - - - - 22% 5% -

Vegetation/Animal - - - 9% 2% - - - - - - - - - - 72% 57% - - - - 23% 45% -

Weather/Fire/Earthquake 78% 97% 40% - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

LOLA(12KV) - Customers: 444 92.2 1.3 3.0 95.1 0.9 2.2 - - - - - - - - - - - - - - - - - -

3rd Party - - 33% 2% 11% - - - - - - - - - - - - - - - - - - -

Equipment Failure 59% 24% 33% 98% 89% 54% - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other 41% 76% 33% - - 46% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

LYNX(12KV) - Customers: 691 112.6 0.2 - 48.4 0.2 - 9.6 0.0 1.0 - - - - - - 55.9 0.1 1.0 - - - 55.9 0.1 1.0

3rd Party 100% 100% - - - - - - - - - - - - - - - 100% - - - - - 100%

Equipment Failure - - - - - - - - - - - - - - - 100% 100% - - - - 100% 100% -

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 100% 100% 100% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 13 of 28

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CircuitHistory14SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

MABLE(12KV) - Customers: 952 107.7 1.1 1.0 - - - - - 1.0 - - - 13.4 0.1 - 0.4 0.0 1.0 - - - 13.7 0.1 1.0

3rd Party - - 100% - - - - - - - - - 100% 100% - - - - - - - 97% 99% -

Equipment Failure 36% 11% - - - - - - - - - - - - - 100% 100% 100% - - - 3% 1% 100%

Operation - - - - - - - - 100% - - - - - - - - - - - - - - -

Other 64% 89% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MACADAMIA(12KV) - Customers: 605 10.9 0.0 - - - 1.0 92.1 2.0 1.1 - - - - - - - - - - - 1.1 - - 1.1

3rd Party - - - - - 100% 77% 70% 10% - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 1% 1% - - - - - - - - - - - - 100% - - 100%

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - 22% 30% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - 90% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 100% 100% - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MAIN ST.(4.16KV) - Customers: 607 142.7 2.0 2.0 95.4 0.1 2.0 164.1 2.9 2.8 17.9 0.0 1.2 - - - 5.4 0.0 - - - - 23.3 0.1 1.2

3rd Party 23% 50% - - - 50% 12% 3% 33% - - - - - - - - - - - - - - -

Equipment Failure 77% 50% - 100% 100% - 36% 31% - 100% 100% - - - - - - - - - - 77% 54% -

Operation - - - - - - 53% 67% 32% - - 100% - - - 100% 100% - - - - 23% 46% 100%

Other - - 100% - - 50% - - 35% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MARY(12KV) - Customers: 2,436 - - 1.1 98.0 1.1 1.5 73.1 1.0 1.0 35.1 0.5 0.5 13.8 0.1 - 72.7 1.5 2.0 - - - 121.7 2.1 2.5

3rd Party - - 100% - - 66% - - - - - - - - - 30% 33% 50% - - - 18% 24% 40%

Equipment Failure - - - 100% 100% 34% 99% 100% - 100% 100% 100% 100% 100% - 70% 67% 50% - - - 82% 76% 60%

Operation - - - - - - 1% 0% - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 14 of 28

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CircuitHistory15SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

MCFADDEN(12KV) - Customers: 536 - - - 104.9 1.1 1.1 215.1 1.1 1.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 100% 100% 100% 16% 7% 100% - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - 84% 93% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MCKEEVER(12KV) - Customers: 3,590 63.6 2.1 2.8 62.2 0.3 2.0 2.1 0.1 1.1 7.9 0.0 - - - - 123.9 1.1 0.0 - - - 131.8 1.2 0.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 91% 51% 64% 55% 27% - 100% 100% 5% 100% 100% - - - - 90% 90% 100% - - - 90% 90% 100%

Operation 9% 49% 36% 34% 43% - - - - - - - - - - 10% 10% - - - - 10% 10% -

Other - - - 11% 29% 100% - - 95% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MELISSA(12KV) - Customers: 1,576 255.0 2.1 2.6 75.9 0.5 - 6.9 0.1 4.0 1.1 0.0 - - - - 6.5 0.0 - 121.7 1.1 - 129.3 1.2 -

3rd Party 66% 49% 100% 14% 29% - 17% 46% 25% - - - - - - - - - - - - - - -

Equipment Failure 3% 3% - 83% 36% - 45% 19% - - - - - - - - - - 65% 90% - 61% 86% -

Operation - - - 1% 31% - - - 25% - - - - - - 100% 100% - - - - 5% 4% -

Other 28% 47% - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal 3% 2% - 2% 4% - 38% 36% 24% 100% 100% - - - - - - - - - - 1% 1% -

Weather/Fire/Earthquake - - - - - - - - 25% - - - - - - - - - 35% 10% - 33% 9% -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MENDOCINO(12KV) - Customers: 1 - - - - - - - - 1.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 15 of 28

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CircuitHistory16SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

MIAMI(4.16KV) - Customers: 892 178.7 1.2 3.8 242.9 1.1 2.0 115.9 0.9 2.7 - - - - - 0.5 10.4 0.0 - 25.3 0.1 - 35.7 0.1 0.5

3rd Party 4% 80% 26% - - 50% - - 50% - - - - - 100% - - - - - - - - 100%

Equipment Failure 94% 17% 47% 36% 7% - 3% 11% - - - - - - - - - - 100% 100% - 71% 69% -

Operation 2% 3% - 61% 90% - 7% 11% - - - - - - - 100% 100% - - - - 29% 31% -

Other - - 26% 3% 3% 50% 89% 78% 50% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

MONOPOLY(12KV) - Customers: 119 92.4 1.1 2.0 - - - - - - - - - 0.5 0.0 - - - - 233.1 0.5 - 233.7 0.5 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 94% 99% - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - 100% 100% - - - - 100% 100% - 100% 100% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal 6% 1% 100% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

NATALIE(12KV) - Customers: 1,701 - - 1.0 15.1 0.2 - 29.5 0.1 - - - 1.0 - - - - - - 116.1 1.0 2.0 116.1 1.0 3.0

3rd Party - - 100% - - - - - - - - 100% - - - - - - - - 50% - - 67%

Equipment Failure - - - - - - 100% 100% - - - - - - - - - - 100% 100% 50% 100% 100% 33%

Operation - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

OFFSIDE(12KV) - Customers: 1,331 2.6 0.0 2.0 7.2 0.3 - 315.7 2.0 1.8 - - 2.0 - - - - - - - - - - - 2.0

3rd Party 100% 100% 50% 87% 98% - 39% 60% 54% - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 43% 8% 46% - - - - - - - - - - - - - - -

Operation - - - 13% 2% - 18% 32% - - - - - - - - - - - - - - - -

Other - - 50% - - - - - - - - 100% - - - - - - - - - - - 100%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 16 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

36

CircuitHistory17SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

OILWELL(12KV) - Customers: 1,283 17.7 0.0 1.0 - - - - - 0.8 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% 100% - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

ORIOLE(12KV) - Customers: 1,849 9.3 1.4 - 17.4 1.4 1.7 54.8 1.7 4.0 30.1 0.0 1.0 - - - 13.0 0.0 - 63.6 0.8 3.0 106.6 0.9 4.0

3rd Party - - - 38% 5% - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 47% 70% 60% 20% 59% 50% 100% 100% 100% - - - - - - 100% 100% - 88% 95% 25%

Operation 100% 100% - 14% 25% 40% 47% 20% 33% - - - - - - - - - - - - - - -

Other - - - - - - 32% 20% 17% - - - - - - - - - - - 100% - - 75%

Vegetation/Animal - - - - - - - - - - - - - - - 100% 100% - - - - 12% 5% -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PARROT(12KV) - Customers: 864 - - - 118.5 1.0 1.0 14.0 0.2 2.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 89% 99% - 91% 20% 100% - - - - - - - - - - - - - - -

Operation - - - 11% 1% - 9% 80% - - - - - - - - - - - - - - - -

Other - - - - - 100% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PARTON(4.16KV) - Customers: 683 276.4 1.1 2.0 11.9 0.0 1.9 1.9 0.1 - 65.3 0.7 1.1 - - - - - - - - - 65.3 0.7 1.1

3rd Party - - 50% - - 53% - - - - - - - - - - - - - - - - - -

Equipment Failure - - 50% - - - - - - - - - - - - - - - - - - - - -

Operation 0% 1% - 100% 100% - 100% 100% - - - - - - - - - - - - - - - -

Other 100% 99% - - - 47% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - 100% 100% 100% - - - - - - - - - 100% 100% 100%

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 17 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

37

CircuitHistory18SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

PASS(12KV) - Customers: 2,114 - - - 10.7 0.0 1.0 8.5 0.0 - 27.6 2.0 - - - - - - - - - - 27.6 2.0 -

3rd Party - - - 100% 100% 100% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 100% 100% - 100% 100% - - - - - - - - - - 100% 100% -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PEANUT(12KV) - Customers: 1,700 161.2 4.1 2.0 42.6 0.1 - 62.8 1.0 1.0 0.1 0.0 - 6.8 1.0 - 37.6 1.0 - 53.6 1.0 - 98.0 3.0 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 19% 26% - 99% 88% - 99% 100% - - - - - - - 100% 100% - 99% 100% - 92% 67% -

Operation 8% 25% - 1% 12% - 0% 0% 0% - - - - - - - - - 1% 0% - 1% 0% -

Other 58% 25% 50% - - - - - - 100% 100% - - - - - - - - - - 0% 0% -

Vegetation/Animal - - - - - - - - - - - - 100% 100% - - - - - - - 7% 33% -

Weather/Fire/Earthquake 15% 25% 50% - - - 0% 0% 100% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PECAN(12KV) - Customers: 342 - - - - - - - - 1.0 - - - - - - - - - 171.6 1.0 1.0 171.6 1.0 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - 100% 100% 100% 100% 100% 100%

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PELICAN(12KV) - Customers: 108 185.5 1.1 - 415.7 1.8 - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Operation 100% 100% - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 18 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory19SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

PENALTY(12KV) - Customers: 2,378 71.4 0.2 1.8 151.6 2.0 2.5 106.6 1.2 1.0 7.0 0.0 - - - - 0.0 0.0 - 2.0 0.0 - 9.0 0.0 -

3rd Party 46% 47% 100% - - 39% 40% 9% - 5% 41% - - - - - - - - - - 4% 21% -

Equipment Failure 33% 15% - 6% 0% - 1% 1% - 88% 12% - - - - - - - - - - 68% 6% -

Operation 1% 2% - 35% 72% 40% - - - 7% 47% - - - - 34% 50% - 100% 100% - 28% 70% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal 20% 35% - - - - - - - - - - - - - 66% 50% - - - - 0% 3% -

Weather/Fire/Earthquake - - - 59% 27% 21% 59% 90% 100% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PINOCHLE(12KV) - Customers: 75 254.2 2.1 - - - - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PINON(12KV) - Customers: 367 33.0 1.0 - 75.3 1.1 0.9 503.2 2.3 1.0 128.1 1.0 - - - - - - - - - 1.0 128.1 1.0 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 14% 87% - 100% 100% 100% 100% 100% - - - - - - - - - 100% 100% 100% 100%

Operation 100% 100% - 86% 13% 100% - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PISTACHIO(12KV) - Customers: 1,975 22.1 0.3 2.7 12.6 0.0 - 4.2 0.1 3.0 0.2 0.0 - 0.2 0.0 - - - - 8.6 0.1 1.0 9.0 0.1 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 9% 8% 72% 60% 58% - 74% 70% - - - - 11% 6% - - - - 100% 100% 100% 96% 93% 100%

Operation 38% 12% - 40% 43% - 26% 30% 66% 100% 100% - 89% 94% - - - - - - - 4% 7% -

Other - - - - - - - - 34% - - - - - - - - - - - - - - -

Vegetation/Animal 53% 80% 28% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 19 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory20SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

POKER(12KV) - Customers: 2,261 76.9 2.0 1.0 89.7 1.3 3.7 84.1 1.1 1.0 - - - - - - - - - 7.9 0.1 - 7.9 0.1 -

3rd Party 3% 2% 100% 54% 93% 75% - - 90% - - - - - - - - - - - - - - -

Equipment Failure 1% 0% - - - - 1% 7% 3% - - - - - - - - - - - - - - -

Operation 0% 0% - 46% 7% - 4% 2% - - - - - - - - - - 100% 100% - 100% 100% -

Other 60% 49% - - - 25% 23% 5% - - - - - - - - - - - - - - - -

Vegetation/Animal 36% 49% - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 73% 86% 6% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

POLLARD(12KV) - Customers: 339 374.0 1.9 1.0 265.3 3.9 1.0 179.4 3.0 1.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 1% 0% - 93% 78% - 38% 66% - - - - - - - - - - - - - - - -

Operation 89% 54% - 7% 22% - - - - - - - - - - - - - - - - - - -

Other - - - - - 100% 62% 34% 100% - - - - - - - - - - - - - - -

Vegetation/Animal 10% 46% 100% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

PUNT(12KV) - Customers: 1,349 369.8 3.5 2.5 80.0 0.9 3.2 16.1 0.1 - - - - 0.7 0.0 - - - - 0.5 0.0 - 1.2 0.0 -

3rd Party - - - 43% 92% 68% - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 99% 100% 57% 8% - 100% 100% - - - - 59% 7% - - - - - - - 34% 3% -

Operation 0% 1% - - - - - - - - - - 41% 93% - - - - 100% 100% - 66% 97% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - 32% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

RAMBLER(12KV) - Customers: 3,339 146.4 1.9 3.7 100.5 1.0 - 6.1 0.0 1.3 96.0 1.1 - 5.1 0.0 - - - - - - - 101.1 1.1 -

3rd Party 46% 48% 25% 87% 95% - 22% 11% 78% - - - 100% 100% - - - - - - - 5% 2% -

Equipment Failure 29% 3% - - - - - - - 100% 100% - - - - - - - - - - 95% 98% -

Operation 25% 49% 25% 3% 3% - 61% 43% - - - - - - - - - - - - - - - -

Other - - - 10% 2% - - - 22% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - 50% - - - 18% 45% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

4th Qtr 2019 2019

Reliability Histories for Individual Circuits Serving Santa Ana - 20 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019

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CircuitHistory21SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

RAVEN(12KV) - Customers: 1,239 6.7 0.1 2.5 80.9 1.1 3.9 12.6 0.1 1.9 6.6 0.0 1.0 - - - 57.4 0.2 1.0 0.6 0.0 - 64.6 0.2 2.0

3rd Party - - 50% 64% 91% 24% 70% 71% - - - - - - - - - 100% - - - - - 50%

Equipment Failure 16% 10% - 27% 3% 76% - - - - - - - - - 97% 60% - 100% 100% - 87% 54% -

Operation 84% 90% 50% 9% 6% - 26% 16% 49% - - - - - - 3% 40% - - - - 3% 36% -

Other - - - - - - - - - 100% 100% 100% - - - - - - - - - 10% 9% 50%

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 4% 13% 51% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

REDHILL(12KV) - Customers: 173 - - - - - - - - 1.0 - - - - - - 44.1 1.0 - - - - 44.1 1.0 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - 100% 99% - - - - 100% 99% -

Operation - - - - - - - - - - - - - - - 0% 1% - - - - 0% 1% -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

RUMMY(12KV) - Customers: 93 - - - - - - - - - - - - - - - - - - - - 1.0 - - 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - 100% - - 100%

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

RUTH(12KV) - Customers: 919 122.6 1.1 3.0 108.3 0.9 1.2 70.7 1.3 1.0 265.7 0.3 - - - - - - - - - - 265.7 0.3 -

3rd Party 56% 93% 64% - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 100% 100% 14% 67% 76% 100% 100% 100% - - - - - - - - - - 100% 100% -

Operation 44% 7% 2% - - - 33% 24% - - - - - - - - - - - - - - - -

Other - - - - - 86% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - 33% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 21 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory22SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

SAKIOKA(12KV) - Customers: 1,225 80.1 1.8 1.0 370.1 2.5 7.2 387.1 2.0 1.0 - - - - - - 7.5 0.0 - 75.4 1.0 2.4 82.9 1.0 2.4

3rd Party 88% 50% - - - - 7% 45% - - - - - - - - - - - - - - - -

Equipment Failure - - - 82% 59% 3% 51% 10% - - - - - - - 100% 100% - 89% 55% 59% 90% 56% 59%

Operation - - - - - 28% - - - - - - - - - - - - - - - - - -

Other 11% 50% - - - 56% 41% 45% - - - - - - - - - - - - 41% - - 41%

Vegetation/Animal 1% 0% 100% 18% 41% 14% - - 100% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 11% 45% - 10% 44% -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SCRABBLE(12KV) - Customers: 481 100.9 1.1 2.0 82.0 1.0 1.0 128.7 0.2 1.8 - - - - - - - - - - - - - - -

3rd Party - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Equipment Failure 94% 87% 100% - - - 100% 100% 100% - - - - - - - - - - - - - - -

Operation 6% 13% - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - 100% - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SEGERSTROM(12KV) - Customers: 1,464 - - - - - - 263.7 1.9 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - 59% 60% - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - 41% 40% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SKYPARK(12KV) - Customers: 59 170.5 1.0 1.7 - - - - - 1.0 - - - - - - - - - 109.1 1.0 - 109.1 1.0 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% 40% - - - - - - - - - - - - - - - 100% 100% - 100% 100% -

Operation - - 60% - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 22 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

42

CircuitHistory23SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

SOLITAIRE(12KV) - Customers: 119 - - - - - - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SPADES(12KV) - Customers: 72 173.6 1.8 - - - - 167.3 1.2 0.2 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - - - - 100% 100% 100% - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SPARROW(12KV) - Customers: 133 5.8 0.0 - 10.9 0.0 - 18.6 0.1 1.0 1.9 0.0 - 314.8 1.0 1.0 - - - 1165.8 2.7 - 1482.5 3.7 1.0

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - 100% 100% - 100% 100% 100% - - - 46% 63% - 58% 73% 100%

Operation 100% 100% - 100% 100% - 100% 100% 100% - - - - - - - - - 54% 37% - 42% 27% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SUGAR(12KV) - Customers: 2,476 - - 1.0 55.2 0.2 1.1 166.9 1.2 1.0 2.5 0.2 1.8 4.5 0.0 - 4.4 0.0 - 1.8 0.0 1.0 13.3 0.3 2.8

3rd Party - - 100% - - 100% 0% 0% - - - - - - - - - - - - - - - -

Equipment Failure - - - 3% 2% - 97% 15% - - - - 45% 47% - 100% 100% - 100% 100% - 62% 23% -

Operation - - - 72% 42% - 3% 85% - 100% 100% 100% 55% 53% - - - - - - - 38% 77% 64%

Other - - - 17% 36% - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - 9% 20% - - - - - - - - - - - - - - - 100% - - 36%

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 23 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory24SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

SULLY(12KV) - Customers: 724 379.1 2.0 2.0 0.4 0.0 3.0 - - 2.0 14.0 1.0 1.9 - - - - - - - - - 14.0 1.0 1.9

3rd Party 10% 49% - - - 33% - - - - - - - - - - - - - - - - - -

Equipment Failure 90% 50% 100% - - - - - - - - - - - - - - - - - - - - -

Operation 0% 1% - 100% 100% - - - - 100% 100% 100% - - - - - - - - - 100% 100% 100%

Other - - - - - 67% - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

SUNFLOWER(12KV) - Customers: 26 - - - 117.2 1.0 - 301.8 2.8 - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 100% 100% - - - - - - - - - - - - - - - - - - -

Operation - - - - - - 0% 1% - - - - - - - - - - - - - - - -

Other - - - - - - 100% 99% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

TACOMA(12KV) - Customers: 1,062 - - - 209.6 1.1 - - - 1.0 83.7 0.3 - - - - 180.2 1.0 - - - - 263.9 1.3 -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 100% 100% - - - - 100% 100% - - - - 100% 100% - - - - 100% 100% -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

TETRIS(12KV) - Customers: 1,845 - - - - - 1.0 - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - 100% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 24 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory25SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

THELMA(12KV) - Customers: 2,478 148.2 1.0 1.1 143.7 2.1 2.0 20.3 0.1 2.0 39.3 0.1 - 19.4 0.0 - 40.6 0.8 2.0 7.9 0.0 - 107.3 1.0 2.0

3rd Party - - 100% - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 53% 6% - 59% 48% 50% 70% 71% - 90% 79% - 100% 100% - - - - - - - 51% 11% -

Operation 6% 3% - 39% 51% - 30% 29% 50% 10% 21% - - - - - - - 100% 100% - 11% 5% -

Other 41% 91% - 2% 1% - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - 50% - - - - - - 100% 100% 100% - - - 38% 83% 100%

Weather/Fire/Earthquake - - - - - 50% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

TITANIUM(12KV) - Customers: 504 24.5 1.0 - 179.1 1.6 0.9 - - 1.0 - - - - - - - - - 46.4 0.9 0.3 46.4 0.9 0.3

3rd Party - - - - - - - - 100% - - - - - - - - - - - - - - -

Equipment Failure - - - 97% 93% 100% - - - - - - - - - - - - 100% 100% 100% 100% 100% 100%

Operation 100% 100% - 3% 7% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

TITTLE(12KV) - Customers: 2,575 331.5 1.5 1.4 28.6 0.1 1.3 - - 1.0 76.1 1.1 1.0 24.5 0.0 - 0.3 0.0 - - - - 100.9 1.2 1.0

3rd Party 13% 32% - - - 70% - - - 8% 11% 100% - - - - - - - - - 6% 11% 100%

Equipment Failure 8% 5% - 8% 15% - - - - 92% 89% - 100% 100% - 100% 100% - - - - 94% 89% -

Operation 1% 32% 49% 92% 85% 30% - - - - - - - - - - - - - - - - - -

Other - - - - - - - - 100% - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 78% 31% 51% - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

TOUCHDOWN(12KV) - Customers: 878 250.5 1.6 2.0 143.7 1.9 1.1 - - 1.0 - - - - - - - - - - - - - - -

3rd Party 4% 4% - 57% 53% - - - - - - - - - - - - - - - - - - -

Equipment Failure 74% 29% - 0% 0% 88% - - 100% - - - - - - - - - - - - - - -

Operation 9% 3% 50% 0% 0% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 13% 64% 50% 42% 46% 12% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 25 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory26SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

URANIUM(12KV) - Customers: 1,677 41.3 0.2 3.0 45.4 0.7 - 97.3 1.2 4.0 0.1 0.0 - - - - - - - 101.1 1.2 - 101.2 1.2 -

3rd Party - - 67% - - - 1% 14% 50% - - - - - - - - - 96% 86% - 95% 86% -

Equipment Failure 17% 12% - 30% 8% - 38% 5% - 100% 100% - - - - - - - 4% 14% - 4% 14% -

Operation 83% 88% - 70% 92% - 1% 1% - - - - - - - - - - 1% 1% - 1% 1% -

Other - - 33% - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 61% 80% 50% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

VIPER(12KV) - Customers: 1,366 71.9 1.3 - 243.7 1.3 - 72.2 1.3 1.0 - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - 68% 19% - 100% 100% 100% - - - - - - - - - - - - - - -

Operation - - - 32% 81% - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

VOYAGER(12KV) - Customers: 296 - - 1.0 - - - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - 100% - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

WELLINGTON(4.16KV) - Customers: 1 - - - - - - - - - - - - - - - - - - - - - - - -

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - - - - - - -

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 26 of 28

2016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019 4th Qtr 2019 2019

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CircuitHistory27SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

WILLETS(12KV) - Customers: 2,417 24.4 0.8 - 412.7 3.0 5.0 79.0 1.2 1.3 13.8 0.4 1.7 - - - 3.2 0.0 - 59.3 1.5 - 76.3 1.9 1.7

3rd Party 31% 11% - 84% 76% 94% 35% 15% - - - - - - - - - - - - - - - -

Equipment Failure 15% 1% - 15% 23% 6% 4% 0% - - - - - - - 12% 11% - 40% 22% - 32% 17% -

Operation 54% 88% - 0% 0% - 61% 84% 100% 33% 78% 100% - - - 12% 13% - 1% 0% - 7% 18% 100%

Other - - - - - - - - - - - - - - - - - - 26% 6% - 20% 5% -

Vegetation/Animal - - - - - - - - - 67% 22% - - - - 76% 77% - 18% 68% - 29% 59% -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 15% 2% - 12% 2% -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

WINGNUT(12KV) - Customers: 2,577 112.1 1.2 1.0 - - - 18.3 0.1 1.0 165.6 1.1 - - - - - - - - - 1.0 165.6 1.1 1.0

3rd Party - - 100% - - - 92% 77% 100% 96% 94% - - - - - - - - - - 96% 94% -

Equipment Failure 68% 83% - - - - 2% 16% - - - - - - - - - - - - 100% - - 100%

Operation 32% 17% - - - - 6% 7% - 4% 6% - - - - - - - - - - 4% 6% -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

YAHTZEE(12KV) - Customers: 276 - - - - - - 238.3 1.0 3.9 - - - - - - - - - 13.2 0.3 1.7 13.2 0.3 1.7

3rd Party - - - - - - - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - - - - - - - - - - 100% 100% 100% 100% 100% 100%

Operation - - - - - - - - - - - - - - - - - - - - - - - -

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 100% 100% 100% - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

YOUNGER(12KV) - Customers: 3,745 53.8 1.5 1.0 93.7 0.1 1.9 46.9 0.3 2.0 56.9 0.9 - 6.4 0.1 - 19.1 0.5 1.0 3.0 0.0 - 85.4 1.6 1.0

3rd Party 82% 98% - 84% 62% 100% 14% 17% 100% - - - 100% 100% - 24% 6% - - - - 13% 8% -

Equipment Failure 18% 2% - 16% 34% - 44% 62% - 100% 100% - - - - 16% 3% - 13% 11% - 71% 60% -

Operation - - 100% - - - 0% 0% - 0% 0% - - - - 60% 91% 100% 87% 89% - 17% 32% 100%

Other - - - - - - 1% 1% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - 0% 4% - 2% 2% - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - 40% 17% - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 27 of 28

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CircuitHistory28SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI

YUMA(12KV) - Customers: 496 7.1 0.1 - - - 2.0 - - - 152.1 1.0 1.0 - - - - - - - - - 152.1 1.0 1.0

3rd Party - - - - - 100% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - - - - - 1% 0% - - - - - - - - - - 1% 0% -

Operation 100% 100% - - - - - - - 99% 100% 100% - - - - - - - - - 99% 100% 100%

Other - - - - - - - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving Santa Ana - 28 of 28

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