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Circuit Reliability Review San Bernardino District 2 2020

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Circuit Reliability Review

San Bernardino District 2

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

CityList1Cities /Areas in San Bernardino District 2

ARROWBEAR

BLUE JAY

CEDAR GLEN

CEDARPINES PARK

CRESTLINE

DEVORE

ALTA LOMA

RIMFOREST

RUNNING SPRINGS

SAN ANTONIO HEIG

ETIWANDA

FREDALBA

FONTANA

GREEN VALLEY LAKE

MT. BALDY

RANCHO CUCAMONGA

LAKE ARROWHEAD

LYTLE CREEK

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 San Bernardino District 2There are 79 circuits that serve San Bernardino District 2 1

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

ACOSTA(12KV) 1,064 GRILLEY(12KV) 1,311 SEELEY(2.4KV) 750 -

ALLVIEW(2.4KV) 302 HEAPS PEAK(33KV) 6 SELLERS(12KV) 1,971 -

ALPINE(2.4KV) 681 HIGH SCHOOL(2.4KV) 330 SEYMOUR(33KV) 3 -

AMETHYST(12KV) 1,527 HOOK CREEK(2.4KV) 310 SKYLAND(2.4KV) 853 -

BAMBOO(12KV) 312 HOPE(12KV) 835 SNOW VALLEY(12KV) 982 -

BELUSHI(12KV) 1,205 ICE HOUSE(2.4KV) 11 SPEEDWAY(12KV) 129 -

BENNY(12KV) 16 JEEP(12KV) 2,070 SQUINT(12KV) 1,189 -

BIG RIGG(12KV) 1,684 JOB(2.4KV) 337 TAGGERT(12KV) 627 -

BLUE CUT(12KV) 299 KAISER(12KV) 1,208 TETLEY(12KV) 868 -

BROOKINGS(4.16KV) 1 KIMBERLY(2.4KV) 50 TOKAY(12KV) 2,439 -

CABLE(12KV) 2,119 KUFFEL(2.4KV) 561 TORONTO(12KV) 845 -

CALABASH(12KV) 94 LA GRANDE(12KV) 1,629 TRACTOR(12KV) 333 -

CAMP BALDY(2.4KV) 164 LURING(2.4KV) 368 TULLY(12KV) 1,051 -

CATAWBA(12KV) 1,093 MANNING(12KV) 1,297 TWIN PEAKS(33KV) 2 -

CEDAR GLEN(12KV) 937 MARBLE(12KV) 361 VALLEY OF THE MOON(2.4KV) 628 -

CEDAR PINES(2.4KV) 240 MARX(12KV) 1,478 VERDEMONT(33KV) 11 -

CHILLON(2.4KV) 570 MONTREAL(12KV) 1,073 WAHLSTROM(12KV) 2,580 -

CITROW(12KV) 748 MORITZ(12KV) 2,050 ZIMMER(12KV) 1,467 -

CLUB OAKS(33KV) 2 NORTH BAY(2.4KV) 199 CHEVELLE(12KV) 2,942 -

COTTAGE GROVE(2.4KV) 432 NORTH SHORE(12KV) 1,137 - -

COULTER(2.4KV) 3 NORTHPARK(12KV) 2,188 - -

CRAM(12KV) 1,314 OAK KNOLL(2.4KV) 507 - -

CRESTLINE(2.4KV) 754 PENSTOCK(12KV) 1,948 - -

DALBA(2.4KV) 590 PRYOR(12KV) 2,710 - -

DANGERFIELD(12KV) 1,491 RANGER(2.4KV) 710 - -

DIXON(12KV) 1,396 REDWOOD(12KV) 1,515 - -

FANO(12KV) 1,317 RIM(12KV) 1,923 - -

FERRARA(12KV) 1,766 ROWCO(12KV) 1,258 - -

FIELDS(12KV) 570 SAMPRAS(12KV) 97 - -

GREEN BEAR(2.4KV) 677 SANBER(12KV) 3,468 - -

Grand Total 75,983

13

BarChart

SCE SYSTEMWIDE

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

can be slightly different due to

outage data validation process

San Bernardino District 2

Reliability History of Circuits Serving San Bernardino District 2 (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.

350.4 353.9

78.6

1325.2

134.5 139.7 136.8 178.0

0.0

200.0

400.0

600.0

800.0

1000.0

1200.0

1400.0

2016 2017 2018 2019

SAIDI

(average

minutes of

sustained

interruptions)

1.5

2.1

1.0

3.7

1.1 1.20.9

1.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

SAIFI

(average

frequency of

sustained

interruptions)

3.3 3.4

1.7

3.6

1.61.8

1.4 1.4

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

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 San Bernardino District 2

2019

3rd Party

0.5%

Equipment Failure

16.4%

Operation

8.0%

Other

26.2%

Vegetation /Animal

0.4%

Weather /Fire

/Earthquake

41.7%

PSPS

7.0%

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 San Bernardino District 2

2019

3rd Party

1.4% Equipment Failure

26.3%

Operation

16.2%

Other

27.4%

Vegetation /Animal

10.3%

Weather /Fire

/Earthquake

16.4%

PSPS

2.0%

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 San Bernardino District 2

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

350.4 1.5 3.3 353.9 2.1 3.4 78.6 1.0 1.7 119.8 0.9 1.1 30.3 0.3 0.8 36.4 0.7 0.3 1138.7 1.8 1.4 1325.2 3.7 3.6

3rd Party 5% 11% 17% 4% 5% 18% 12% 9% 16% 3% 4% 8% 4% 1% 11% 2% 2% 17% 0% 0% 0% 0% 1% 6%

Equipment Failure 26% 32% 8% 26% 26% 21% 29% 30% 19% 25% 53% 34% 21% 14% 14% 54% 29% 18% 14% 15% 5% 16% 26% 17%

Operation 7% 14% 0% 8% 29% 2% 17% 38% 20% 12% 13% 8% 25% 20% - 18% 10% 4% 7% 20% 6% 8% 16% 5%

Other 8% 16% 58% 13% 16% 37% 26% 14% 21% 20% 16% 31% 46% 61% 68% 12% 4% 50% 27% 36% 79% 26% 27% 59%

Vegetation/Animal 0% 3% 4% 0% 0% 5% 2% 1% 24% 0% 0% 5% 0% 0% 6% 11% 53% 7% 0% 0% 4% 0% 10% 5%

Weather/Fire/Earthquake 54% 25% 13% 49% 24% 18% 15% 9% 1% 40% 15% 15% 4% 3% - 3% 2% 5% 44% 25% 6% 42% 16% 7%

PSPS - - - - - - 0% 0% - - - - - - - - - - 8% 4% - 7% 2% -

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

Average Reliability of 79 Circuits Serving San Bernardino District 2

4th Qtr 2019 20192016 2017 2018 1st Qtr 2019 2nd Qtr 2019 3rd Qtr 2019

79 Circuits Serving San Bernardino District 2 --

Total Customers: 75,983

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

ACOSTA(12KV) - Customers: 1,064 263.1 1.3 1.0 74.5 0.4 0.0 17.0 0.0 0.0 78.7 1.0 0.0 228.6 2.1 1.0 - - - 3647.7 4.0 - 3955.1 7.1 1.1

3rd Party - - - 42% 72% - - - - - - - - - - - - - - - - - - -

Equipment Failure 84% 76% - 42% 2% 100% - - - 91% 99% - 100% 100% 100% - - - 2% 22% - 9% 56% 98%

Operation 3% 23% - 3% 4% - 100% 100% - 2% 0% - - - - - - - 0% 0% - 0% 0% -

Other 13% 1% 100% 13% 22% - - - 100% 8% 1% 100% - - - - - - 0% 0% - 0% 0% 2%

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

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

PSPS - - - - - - - - - - - - - - - - - - 98% 78% - 91% 43% -

ALLVIEW(2.4KV) - Customers: 302 2647.0 5.3 6.0 1002.4 8.1 12.9 19.5 1.0 2.0 41.1 2.0 4.0 - - 1.0 7.0 1.0 - 1181.3 3.0 4.0 1229.4 6.0 9.0

3rd Party 1% 6% 17% - - 8% - - - - - - - - - - - - - - - - - -

Equipment Failure 64% 56% 17% 4% 25% 39% 59% 4% - 41% 50% 25% - - - - - - - - - 1% 17% 11%

Operation - - - 2% 25% - 41% 96% 50% - - - - - - - - - 0% 1% - 0% 0% -

Other - - 50% 8% 25% 46% - - - 59% 50% 50% - - 100% - - - 100% 99% 100% 98% 66% 78%

Vegetation/Animal - - - - - - - - 50% - - - - - - 100% 100% - - - - 1% 17% -

Weather/Fire/Earthquake 34% 37% 17% 86% 26% 8% - - - - - 25% - - - - - - - - - - - 11%

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

ALPINE(2.4KV) - Customers: 681 1375.0 3.5 8.6 754.9 4.0 7.8 19.5 1.2 3.3 17.1 1.0 1.0 43.5 0.3 1.0 405.2 3.7 0.8 3143.0 3.5 4.5 3608.8 8.4 7.3

3rd Party 11% 29% 12% - - 13% - - - - - - - - - - - - - - - - - -

Equipment Failure 14% 29% - 49% 37% 18% - - - 100% 100% 100% 3% 4% - 72% 27% - - - - 9% 24% 14%

Operation 3% 5% - 2% 25% - 93% 100% 40% - - - 36% 26% - 16% 14% - 0% 1% 22% 2% 7% 14%

Other 1% 12% 70% - - 44% 7% 0% 30% - - - 62% 70% 100% 9% 4% 100% 16% 45% 78% 16% 22% 73%

Vegetation/Animal - - - - - - - - 30% - - - - - - 3% 54% - - - - 0% 24% -

Weather/Fire/Earthquake 71% 26% 18% 49% 38% 25% - - - - - - - - - - - - 84% 55% - 73% 23% -

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

AMETHYST(12KV) - Customers: 1,527 15.5 1.0 - 141.7 0.3 1.0 150.8 2.2 1.1 31.5 0.1 - 0.0 0.0 - 0.5 0.0 - 1451.9 1.1 - 1484.0 1.2 -

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

Equipment Failure - - - 90% 73% - 93% 98% 99% 100% 100% - - - - - - - 2% 3% - 4% 13% -

Operation - - - 9% 20% - 2% 1% - - - - - - - 100% 100% - 0% 3% - 0% 3% -

Other - - - 1% 7% - 0% 0% - - - - 100% 100% - - - - - - - 0% 0% -

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

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

PSPS - - - - - - 4% 0% - - - - - - - - - - 98% 95% - 96% 84% -

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 1 of 20

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

BAMBOO(12KV) - Customers: 312 64.8 1.0 8.7 73.6 1.1 4.0 2.5 0.0 3.0 - - - - - - - - - - - - - - -

3rd Party - - 23% 21% 90% 25% - - 35% - - - - - - - - - - - - - - -

Equipment Failure 7% 1% - 2% 1% - 100% 100% - - - - - - - - - - - - - - - -

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

Other 93% 99% 77% - - 50% - - 65% - - - - - - - - - - - - - - -

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

Weather/Fire/Earthquake - - - 77% 10% 25% - - - - - - - - - - - - - - - - - -

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

BELUSHI(12KV) - Customers: 1,205 44.2 0.5 1.0 10.7 0.0 1.0 - - - 0.8 0.0 - - - - 5.5 0.0 - - - - 6.3 0.0 -

3rd Party - - - 81% 92% - - - - - - - - - - - - - - - - - - -

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

Operation - - - 19% 8% 100% - - - - - - - - - - - - - - - - - -

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

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

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

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

BENNY(12KV) - Customers: 16 32.1 0.1 - 24.5 0.1 - 155.1 0.8 0.3 - - - - - - - - - - - - - - -

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

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

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

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

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

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

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

BIG RIGG(12KV) - Customers: 1,684 25.8 0.0 1.0 78.8 1.1 1.0 3.4 0.0 3.0 0.2 0.0 1.0 - - - - - - - - - 0.2 0.0 1.0

3rd Party - - - 22% 88% 100% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 0% 0% - 89% 56% 67% - - - - - - - - - - - - - - -

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

Other 100% 100% 100% 59% 11% - 11% 44% 33% 100% 100% 100% - - - - - - - - - 100% 100% 100%

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

Weather/Fire/Earthquake - - - 18% 2% - - - - - - - - - - - - - - - - - - -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 2 of 20

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

BLUE CUT(12KV) - Customers: 299 12672.5 7.6 5.0 2212.6 7.8 6.1 253.1 2.0 5.2 81.4 0.8 1.0 9.7 0.1 1.2 251.3 2.0 - 1373.3 2.4 1.4 1715.7 5.3 3.5

3rd Party 2% 25% 38% 9% 25% - - - 39% - - - - - - - - - - - - - - -

Equipment Failure 3% 39% 22% 53% 33% 42% 18% 3% - - - - 94% 83% 100% 95% 50% - 0% 0% 0% 15% 20% 33%

Operation 1% 11% - 0% 0% 3% 26% 4% - - - 100% 6% 17% - 5% 50% - 0% 0% - 1% 19% 28%

Other 3% 10% 39% 2% 13% 55% 56% 93% 61% - - - - - - - - - 11% 35% 100% 9% 16% 39%

Vegetation/Animal - - - - - - - - - - - - - - - - - - 0% 30% - 0% 14% -

Weather/Fire/Earthquake 92% 15% - 36% 28% - - - - 100% 100% - - - - - - - 88% 34% - 75% 31% -

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

BROOKINGS(4.16KV) - Customers: 1 1419.0 5.0 5.0 115.0 4.0 6.0 878.0 2.0 2.0 1623.0 1.0 2.0 - - 1.0 7.0 1.0 - 1480.0 2.0 3.0 3110.0 4.0 6.0

3rd Party - - 20% - - 17% - - - - - - - - - - - - - - - - - -

Equipment Failure 26% 80% - 45% 25% 67% - - - - - 50% - - - - - - - - - - - 17%

Operation - - - 11% 25% - 95% 50% 50% - - - - - - - - - - - - - - -

Other - - 60% 13% 25% - - - - - - 50% - - 100% - - - 100% 100% 100% 48% 50% 83%

Vegetation/Animal - - - - - - - - 50% - - - - - - 100% 100% - - - - 0% 25% -

Weather/Fire/Earthquake 74% 20% 20% 30% 25% 17% 5% 50% - 100% 100% - - - - - - - - - - 52% 25% -

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

CABLE(12KV) - Customers: 2,119 143.4 1.1 1.6 22.6 1.0 4.0 7.9 0.0 1.0 112.5 1.0 - 0.1 0.0 1.0 159.6 2.0 3.6 118.1 2.1 3.0 390.3 5.1 7.6

3rd Party - - - - - - - - 100% 100% 100% - - - - - - - - - - 29% 19% -

Equipment Failure 57% 94% 100% 73% 4% - 100% 100% - - - - 100% 100% - 100% 100% 44% 14% 3% - 45% 41% 21%

Operation 41% 5% - 0% 0% - - - - - - - - - - - - - 7% 48% 33% 2% 20% 13%

Other - - - 26% 96% - - - - - - - - - - - - 56% 80% 48% - 24% 20% 26%

Vegetation/Animal 1% 2% - - - 100% - - - - - - - - 100% - - - - - 67% - - 40%

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

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

CALABASH(12KV) - Customers: 94 - - 2.1 - - - - - - - - - - - - - - - - - - - - -

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

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

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

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

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

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

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 3 of 20

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

CAMP BALDY(2.4KV) - Customers: 164 1725.2 3.0 3.0 611.1 3.1 6.0 1744.8 2.0 - 71.8 0.1 1.0 75.3 0.2 - - - - 2634.2 2.1 2.1 2781.4 2.4 3.0

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

Equipment Failure 11% 33% - - - - 4% 50% - 74% 30% - - - - - - - 1% 1% 50% 3% 3% 34%

Operation 36% 33% - - - - - - - 26% 70% - 54% 59% - - - - 16% 50% - 17% 51% -

Other - - 100% 23% 35% 17% 96% 50% - - - - 46% 41% - - - - 83% 50% 50% 80% 46% 34%

Vegetation/Animal - - - - - - - - - - - 100% - - - - - - - - - - - 32%

Weather/Fire/Earthquake 53% 34% - 77% 65% 83% - - - - - - - - - - - - - - - - - -

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

CATAWBA(12KV) - Customers: 1,093 10.4 0.0 - 10.5 1.0 1.0 91.4 1.1 1.0 - - - - - - 9.3 0.0 - 29.9 0.1 - 39.2 0.1 -

3rd Party - - - - - - 7% 5% 94% - - - - - - - - - 3% 4% - 2% 3% -

Equipment Failure 100% 100% - - - - 78% 93% 6% - - - - - - - - - - - - - - -

Operation - - - 24% 1% - - - - - - - - - - - - - 97% 96% - 74% 65% -

Other - - - - - - 15% 1% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - 100% 100% - - - - 24% 32% -

Weather/Fire/Earthquake - - - 76% 99% 100% - - - - - - - - - - - - - - - - - -

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

CEDAR GLEN(12KV) - Customers: 937 1125.3 3.3 5.7 717.0 6.9 12.2 101.1 2.2 3.8 106.7 1.6 1.0 1.0 0.0 2.0 60.5 1.6 - 523.7 1.9 3.0 692.0 5.2 6.0

3rd Party - - 17% - - 8% - - - - - - 73% 76% - - - - - - - 0% 0% -

Equipment Failure - - - 85% 74% 28% 5% 6% - 55% 69% 99% 27% 24% - - - - 10% 34% - 16% 34% 17%

Operation 3% 18% - 3% 16% - 7% 38% 26% 31% 15% 1% - - - 12% 2% - 3% 14% - 8% 10% 0%

Other 38% 38% 73% - - 25% 89% 57% 47% - - - - - 100% 8% 2% - 87% 52% 100% 66% 20% 83%

Vegetation/Animal - - - - - - - - 26% - - - - - - 12% 61% - - - - 1% 19% -

Weather/Fire/Earthquake 59% 44% 10% 12% 10% 39% - - - 13% 16% - - - - 68% 35% - - - - 8% 16% -

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

CEDAR PINES(2.4KV) - Customers: 240 279.0 4.0 5.0 753.2 4.1 3.5 351.9 5.4 1.0 268.7 2.0 2.0 29.3 1.0 2.0 21.5 2.2 0.7 4025.2 9.0 3.0 4344.8 14.2 7.8

3rd Party - - 20% - - 29% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 27% 25% 43% 85% 38% - 9% 51% 50% - - 50% - - - 52% 55% - 49% 42% 26%

Operation - - - 3% 26% - 5% 37% - - - - - - - 66% 54% 100% 12% 11% - 11% 15% 9%

Other 5% 25% 80% 61% 25% 29% - - - - - 50% 100% 100% 50% 2% 0% - 4% 11% 67% 5% 14% 52%

Vegetation/Animal - - - - - - - - 100% - - - - - - 32% 46% - - - - 0% 7% -

Weather/Fire/Earthquake 95% 75% - 9% 25% - 10% 25% - 91% 49% - - - - - - - 31% 22% 33% 35% 21% 13%

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 4 of 20

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

CHEVELLE(12KV) - Customers: 2,942 - - - - - - - - - - - - - - - - - - 36.4 0.3 0.1 36.4 0.3 0.1

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

Equipment Failure - - - - - - - - - - - - - - - - - - 24% 25% - 24% 25% -

Operation - - - - - - - - - - - - - - - - - - 55% 49% - 55% 49% -

Other - - - - - - - - - - - - - - - - - - 21% 25% 100% 21% 25% 100%

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

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

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

CHILLON(2.4KV) - Customers: 570 6.0 1.0 4.0 27.4 1.0 2.0 41.7 3.3 5.0 627.6 4.0 1.0 42.5 2.0 3.0 73.8 2.2 1.0 7737.2 5.3 7.1 8481.2 13.5 12.1

3rd Party - - 25% - - 50% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 42% 2% 50% 66% 39% 60% 26% 50% 100% - - 33% 6% 4% - 5% 4% - 6% 17% 17%

Operation - - - 58% 98% - 34% 61% - 74% 50% - 29% 2% - 84% 50% - 5% 19% - 11% 31% -

Other 100% 100% 75% - - - - - 20% - - - 71% 98% 67% - - 100% 21% 29% 100% 19% 26% 83%

Vegetation/Animal - - - - - - - - 20% - - - - - - 9% 46% - - - - 0% 7% -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 69% 48% - 63% 19% -

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

CITROW(12KV) - Customers: 748 1.2 0.0 1.0 79.3 2.8 2.0 1.6 0.0 - 3.8 0.0 0.6 - - - - - - - - - 3.8 0.0 0.6

3rd Party - - 100% - - 49% - - - - - - - - - - - - - - - - - -

Equipment Failure 10% 11% - 3% 1% - 100% 100% - 100% 100% 100% - - - - - - - - - 100% 100% 100%

Operation 90% 89% - 1% 0% - - - - - - - - - - - - - - - - - - -

Other - - - - - 51% - - - - - - - - - - - - - - - - - -

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

Weather/Fire/Earthquake - - - 96% 99% - - - - - - - - - - - - - - - - - - -

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

CLUB OAKS(33KV) - Customers: 2 22.0 1.0 2.0 - - 3.0 591.8 1.6 2.2 66.5 0.5 - - - - - - 1.1 8196.3 6.5 4.4 8262.9 7.1 5.5

3rd Party - - 50% - - - 2% 67% 50% - - - - - - - - - - - - - - -

Equipment Failure 100% 100% - - - - 98% 33% - - - - - - - - - - 0% 17% - 0% 15% -

Operation - - - - - 33% - - - 100% 100% - - - - - - - 28% 33% 25% 29% 38% 20%

Other - - 50% - - 67% - - - - - - - - - - - 100% - - 75% - - 80%

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

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 12% 17% - 12% 15% -

PSPS - - - - - - - - - - - - - - - - - - 59% 33% - 59% 31% -

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 5 of 20

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

COTTAGE GROVE(2.4KV) - Customers: 432 40.0 1.2 6.0 235.0 5.1 12.0 24.0 2.0 2.0 191.9 2.0 1.0 55.2 0.2 2.0 11.6 1.0 - 3923.7 3.9 2.8 4182.5 7.1 5.8

3rd Party - - 17% - - 8% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 48% 59% 25% - - - 9% 50% 100% 7% 24% - - - - - - - 1% 15% 17%

Operation - - - 15% 21% - 33% 50% 50% - - - 91% 62% - 40% 3% - 2% 23% - 3% 15% -

Other 22% 83% 83% - - 33% 67% 50% - - - - 2% 14% 100% - - - 69% 52% 100% 65% 29% 83%

Vegetation/Animal - - - - - - - - 50% - - - - - - 60% 97% - - - - 0% 14% -

Weather/Fire/Earthquake 78% 17% - 38% 20% 33% - - - 91% 50% - - - - - - - 29% 25% - 32% 28% -

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

COULTER(2.4KV) - Customers: 3 1552.0 6.0 6.0 1921.0 8.0 15.0 - - 2.0 827.0 4.0 4.0 - - 1.0 7.0 1.0 - 1672.0 4.0 4.0 2506.0 9.0 9.0

3rd Party 4% 17% 33% - - 13% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 20% - - - 2% 25% 25% - - - - - - - - - 1% 11% 11%

Operation 5% 33% - 3% 25% - - - 50% - - - - - - - - - - - - - - -

Other - - 50% 6% 38% 60% - - - 21% 50% 50% - - 100% - - - 100% 100% 100% 74% 67% 78%

Vegetation/Animal - - - - - - - - 50% - - - - - - 100% 100% - - - - 0% 11% -

Weather/Fire/Earthquake 92% 50% 17% 91% 38% 7% - - - 77% 25% 25% - - - - - - - - - 25% 11% 11%

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

CRAM(12KV) - Customers: 1,314 437.4 3.6 1.0 364.3 0.9 1.1 87.4 1.3 1.0 0.2 0.0 - - - - 66.1 0.3 - - - - 66.3 0.3 -

3rd Party - - - - - - 78% 78% 100% - - - - - - - - - - - - - - -

Equipment Failure 85% 81% - 94% 73% 100% 21% 12% - 31% 50% - - - - 97% 69% - - - - 97% 69% -

Operation 15% 19% - 6% 27% - 1% 10% - 69% 50% - - - - 3% 31% - - - - 3% 31% -

Other 0% 0% 100% - - 0% - - - - - - - - - - - - - - - - - -

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

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

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

CRESTLINE(2.4KV) - Customers: 754 592.8 0.8 5.1 92.2 1.2 3.0 6.4 0.8 2.0 166.3 1.6 1.0 130.8 2.1 3.0 28.7 0.8 - 6987.6 5.0 2.0 7313.4 9.5 6.0

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

Equipment Failure 4% 4% - 20% 2% 33% - - - 16% 65% 100% 1% 1% 33% - - - 2% 19% - 2% 21% 34%

Operation 0% 28% - 14% 80% - 100% 100% 50% - - - 1% 1% - 8% 4% - 5% 20% - 5% 11% -

Other - - 79% - - 31% - - - - - - 18% 50% 67% 74% 6% - 2% 20% 100% 3% 22% 66%

Vegetation/Animal - - - - - - - - 50% - - - - - - 18% 91% - - - - 0% 8% -

Weather/Fire/Earthquake 96% 68% 2% 66% 18% 3% - - - 84% 35% - 81% 49% - - - - 91% 40% - 90% 38% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 6 of 20

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

DALBA(2.4KV) - Customers: 590 1585.6 6.5 6.0 1945.5 5.9 9.2 9.7 1.0 2.0 40.8 2.0 3.9 16.1 0.1 0.4 36.5 1.2 - 1274.8 3.1 3.0 1368.2 6.4 7.3

3rd Party - - 17% - - 11% - - - - - - - - - - - - - - - - - -

Equipment Failure 13% 31% - - - 33% 18% 1% - 41% 49% 25% - - - 1% 3% - - - - 1% 16% 13%

Operation - - - 1% 25% - 82% 99% 50% - - - 45% 62% - 76% 11% - 0% 0% - 3% 3% -

Other 11% 5% 67% 2% 24% 56% - - - 59% 51% 50% 55% 38% 100% 4% 1% - 100% 100% 100% 95% 65% 73%

Vegetation/Animal - - - - - - - - 50% - - - - - - 19% 86% - - - - 1% 16% -

Weather/Fire/Earthquake 76% 64% 17% 96% 50% - - - - - - 25% - - - - - - - - - - - 13%

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

DANGERFIELD(12KV) - Customers: 1,491 32.8 0.2 0.6 204.8 1.0 - 37.7 0.4 - - - - 40.1 0.3 - - - - - - - 40.1 0.3 -

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

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

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

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

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

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

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

DIXON(12KV) - Customers: 1,396 209.4 0.9 6.0 16.7 1.0 - 89.7 0.8 0.5 1.6 0.0 - - - - 41.6 0.8 1.0 0.8 0.0 - 43.9 0.8 1.0

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

Equipment Failure 100% 97% 50% 49% 2% - 62% 78% 100% - - - - - - 1% 0% - - - - 1% 0% -

Operation 0% 3% - 51% 98% - 38% 22% - - - - - - - - - - - - - - - -

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

Vegetation/Animal - - 17% - - - - - - - - - - - - - - - - - - - - -

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

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

FANO(12KV) - Customers: 1,317 118.7 1.2 1.0 394.6 4.4 4.6 251.7 1.4 - 9.4 0.1 1.0 10.7 0.1 - 1.1 0.0 - - - 1.0 21.2 0.1 2.0

3rd Party - - - 54% 23% - - - - - - - - - - - - - - - - - - -

Equipment Failure 6% 3% - 23% 23% - 11% 4% - - - - - - - 100% 100% - - - - 5% 4% -

Operation 74% 87% - 12% 41% - - - - 3% 3% - - - - - - - - - - 1% 1% -

Other 20% 9% 100% - - - 6% 2% - 79% 48% - 78% 49% - - - - - - 100% 74% 46% 50%

Vegetation/Animal - - - 3% 3% 22% 24% 21% - 18% 49% 100% 22% 51% - - - - - - - 19% 48% 50%

Weather/Fire/Earthquake - - - 7% 10% 78% 60% 73% - - - - - - - - - - - - - - - -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 7 of 20

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

FERRARA(12KV) - Customers: 1,766 105.3 0.1 2.2 29.5 0.2 0.2 290.8 2.3 1.0 120.2 0.2 1.2 356.4 0.8 1.0 0.0 0.0 1.0 349.2 0.2 1.0 825.8 1.2 4.2

3rd Party - - - - - - - - - - - - - - - - - 100% - - - - - 24%

Equipment Failure - - - 42% 9% 5% 50% 91% 100% 2% 3% - 2% 1% - - - - 0% 0% - 1% 1% -

Operation 62% 76% - - - - 1% 3% - 83% 70% - 12% 15% - 100% 100% - 11% 39% - 22% 27% -

Other 0% 0% 56% 58% 91% 95% 47% 4% - 15% 25% 18% 86% 84% - - - - 1% 2% 98% 39% 60% 29%

Vegetation/Animal - - - - - - 1% 2% - - - 82% - - 100% - - - - - - - - 47%

Weather/Fire/Earthquake 38% 24% 44% - - - - - - 1% 2% - 0% 0% - - - - 89% 59% 2% 38% 12% 0%

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

FIELDS(12KV) - Customers: 570 - - - - - - 87.1 1.1 1.0 - - 2.0 0.1 0.0 - - - - - - - 0.1 0.0 2.0

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

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

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

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

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

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

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

GREEN BEAR(2.4KV) - Customers: 677 1304.1 5.1 6.0 1944.0 7.2 14.0 56.8 1.7 2.0 1199.4 6.0 4.0 0.8 0.0 1.0 60.2 1.2 - 1753.6 5.1 3.0 3014.1 12.3 8.0

3rd Party 4% 20% 34% - - 7% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 21% 86% 41% - 1% 17% 25% - - - - - - - - - 1% 8% 13%

Operation 5% 39% - 4% 17% - 14% 59% 50% - - - 56% 62% - 84% 12% - - - - 2% 1% -

Other 22% 4% 50% 6% 42% 64% - - - 28% 50% 50% 44% 38% 100% 4% 2% - 95% 79% 100% 67% 57% 75%

Vegetation/Animal - - - - - - - - 50% - - - - - - 12% 86% - - - - 0% 8% -

Weather/Fire/Earthquake 68% 38% 17% 90% 42% 7% - - - 71% 33% 25% - - - - - - 5% 21% - 31% 25% 12%

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

GRILLEY(12KV) - Customers: 1,311 156.7 2.0 - 11.2 0.0 - 0.0 0.0 - - - - 0.7 0.0 - - - - - - 1.0 0.7 0.0 1.0

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

Equipment Failure 93% 50% - 96% 50% - - - - - - - 100% 100% - - - - - - - 100% 100% -

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

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

Vegetation/Animal 7% 50% - - - - - - - - - - - - - - - - - - - - - -

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

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 8 of 20

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

HEAPS PEAK(33KV) - Customers: 6 4506.0 4.3 11.0 5991.3 3.2 7.2 - - 3.0 696.4 3.2 16.0 - - 1.0 407.0 1.7 - 3241.3 4.3 4.0 4344.7 9.2 21.0

3rd Party - - 9% - - 14% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 14% - - - 16% 37% 6% - - - - - - - - - 2% 13% 5%

Operation - - - 0% 32% - - - 33% - - - - - - 97% 40% - - - - 9% 7% -

Other 100% 100% 91% 96% 63% 49% - - 33% 84% 63% 88% - - 100% - - - 5% 23% 50% 17% 33% 81%

Vegetation/Animal - - - - - - - - 33% - - - - - - 3% 60% - - - - 0% 11% -

Weather/Fire/Earthquake - - - 3% 5% 23% - - - - - 6% - - - - - - 95% 77% 50% 71% 36% 14%

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

HIGH SCHOOL(2.4KV) - Customers: 330 644.2 3.8 8.1 37.5 2.0 5.0 37.7 1.8 2.9 219.4 2.1 1.3 624.4 2.0 1.0 158.5 1.5 - 1968.1 2.6 3.0 2970.5 8.2 5.3

3rd Party - - 12% - - 20% - - - 1% 2% - - - - - - - - - - 0% 1% -

Equipment Failure 55% 25% 1% 64% 50% 20% 7% 1% - 8% 49% 79% - - - - - - 26% 11% 2% 18% 16% 20%

Operation 3% 20% - 36% 50% - 28% 59% 33% - - - 65% 50% - 3% 2% - 7% 2% - 18% 13% -

Other 30% 52% 75% - - 60% 7% 1% 33% - - 21% 35% 50% 100% 28% 18% - 18% 38% 98% 21% 28% 80%

Vegetation/Animal - - 12% - - - - - 33% - - - - - - 69% 80% - - - - 4% 15% -

Weather/Fire/Earthquake 12% 3% - - - - 58% 39% - 91% 49% - - - - - - - 50% 49% - 40% 28% -

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

HOOK CREEK(2.4KV) - Customers: 310 1898.7 4.0 5.6 3200.2 4.0 6.0 83.0 2.3 2.0 - - 1.0 60.5 0.1 1.0 14.1 1.0 - 1878.5 4.0 3.0 1953.0 5.1 5.0

3rd Party - - 18% - - 17% - - - - - - - - - - - - - - - - - -

Equipment Failure 9% 26% - 3% 26% 67% - - - - - 100% 85% 34% - - - - 17% 25% - 19% 20% 20%

Operation 3% 25% - 0% 25% - 10% 43% 50% - - - - - - 50% 4% - 4% 25% - 4% 20% -

Other - - 64% 0% 25% - - - - - - - 15% 66% 100% - - - 79% 50% 100% 76% 40% 80%

Vegetation/Animal - - - - - - - - 50% - - - - - - 50% 96% - - - - 0% 19% -

Weather/Fire/Earthquake 89% 49% 18% 96% 25% 17% 90% 57% - - - - - - - - - - - - - - - -

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

HOPE(12KV) - Customers: 835 - - - - - - - - - - - - - - - 0.1 0.0 - 96.6 0.2 - 96.7 0.2 -

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

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

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

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

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

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

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 9 of 20

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

29

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

ICE HOUSE(2.4KV) - Customers: 11 586.4 0.9 1.9 9884.7 2.1 1.0 668.8 3.0 - - - 1.0 2047.7 1.0 - - - - 5879.2 2.0 2.0 7926.9 3.0 3.0

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

Equipment Failure - - - - - - 12% 33% - - - - - - - - - - - - - - - -

Operation 100% 100% - 99% 52% - - - - - - - 100% 100% - - - - 7% 50% - 31% 67% -

Other - - 100% 1% 48% 100% 65% 33% - - - - - - - - - - - - 100% - - 67%

Vegetation/Animal - - - - - - 24% 33% - - - 100% - - - - - - - - - - - 33%

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 93% 50% - 69% 33% -

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

JEEP(12KV) - Customers: 2,070 863.2 5.4 7.5 170.8 2.1 7.1 36.4 1.8 3.4 24.2 1.0 2.4 2.3 0.0 1.4 16.0 1.1 - 2942.3 8.9 5.1 2984.8 11.1 8.9

3rd Party - - 13% - - 14% - - 29% - - - - - - - - - - - - - - -

Equipment Failure 66% 53% 13% 2% 0% 14% 2% 0% - 100% 100% 42% - - - 12% 2% - 9% 34% 30% 10% 37% 28%

Operation 1% 20% - 16% 51% - 79% 77% 29% - - - 100% 100% - 44% 9% - 5% 27% - 6% 23% -

Other 13% 18% 62% 64% 24% 34% 19% 23% 12% - - 58% - - 100% - - - 34% 17% 70% 34% 13% 72%

Vegetation/Animal - - 13% - - - - - 29% - - - - - - 44% 90% - - - - 0% 9% -

Weather/Fire/Earthquake 19% 9% - 18% 25% 38% - - - - - - - - - - - - 52% 22% - 51% 18% -

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

JOB(2.4KV) - Customers: 337 605.0 4.1 6.0 735.4 8.7 4.0 113.9 4.4 2.0 335.5 1.7 2.4 68.0 1.1 3.0 134.2 3.7 0.2 8080.6 7.8 1.2 8618.4 14.3 6.8

3rd Party - - 17% - - 23% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 43% 21% 27% 45% 33% 50% 7% 59% 41% 2% 1% 33% 2% 1% - 34% 27% - 32% 22% 29%

Operation 93% 50% 16% 26% 51% 25% 14% 45% - - - - 7% 6% - 90% 72% 100% 9% 18% - 9% 29% 3%

Other 2% 24% 67% 12% 12% 23% - - - - - 41% 91% 93% 67% 3% 1% - 56% 29% 100% 53% 23% 62%

Vegetation/Animal 2% 1% - - - - - - 50% - - - - - - 5% 27% - - - - 0% 7% -

Weather/Fire/Earthquake 2% 24% - 18% 16% 3% 41% 22% - 93% 41% 18% - - - - - - 1% 26% - 5% 19% 6%

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

KAISER(12KV) - Customers: 1,208 133.0 0.6 1.0 1.9 0.0 - - - - 156.4 1.2 - - - - - - - - - - 156.4 1.2 -

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

Equipment Failure 81% 79% - - - - - - - 100% 100% - - - - - - - - - - 100% 100% -

Operation 19% 21% - 100% 100% - - - - - - - - - - - - - - - - - - -

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

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

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

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 10 of 20

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

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

KIMBERLY(2.4KV) - Customers: 50 401.4 2.0 2.0 17.4 0.0 2.0 1138.0 2.0 2.0 120.6 1.0 - 39.1 0.1 - - - 1.0 5386.6 6.0 2.0 5546.3 7.1 3.0

3rd Party - - 50% - - - 1% 50% 49% - - - - - - - - - - - - - - -

Equipment Failure 27% 50% - 100% 100% - 99% 50% - - - - 99% 83% - - - - 0% 17% - 1% 16% -

Operation - - - - - - - - - 100% 100% - 1% 17% - - - - 1% 34% 50% 3% 42% 33%

Other - - 50% - - 100% - - - - - - - - - - - 100% - - 50% - - 67%

Vegetation/Animal - - - - - - - - 51% - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 73% 50% - - - - - - - - - - - - - - - - 18% 17% - 17% 14% -

PSPS - - - - - - - - - - - - - - - - - - 82% 33% - 80% 28% -

KUFFEL(2.4KV) - Customers: 561 1740.5 5.8 7.0 1720.4 8.8 13.0 106.9 3.4 3.0 16.9 1.0 1.0 - - 2.0 110.7 2.1 - 523.0 2.1 4.0 650.6 5.2 7.0

3rd Party - - 14% - - 8% 13% 0% - - - - - - - - - - - - - - - -

Equipment Failure 57% 33% - 17% 68% 31% 45% 12% - 100% 100% 100% - - - - - - 5% 48% - 7% 38% 14%

Operation 1% 19% - 83% 32% - 26% 58% 34% - - - - - - 28% 5% - 3% 5% - 7% 4% -

Other 1% 17% 71% - - 23% 15% 30% 33% - - - - - 100% 13% 1% - 92% 48% 75% 76% 20% 71%

Vegetation/Animal - - - - - - - - 34% - - - - - - 6% 47% - - - - 1% 19% -

Weather/Fire/Earthquake 41% 31% 14% - - 38% - - - - - - - - - 53% 47% - - - 25% 9% 19% 14%

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

LA GRANDE(12KV) - Customers: 1,629 45.4 0.3 - 120.3 1.8 2.5 37.3 1.1 3.0 - - - - - - - - - 53.9 0.9 1.0 53.9 0.9 1.0

3rd Party - - - 26% 35% 19% 0% 2% 33% - - - - - - - - - - - - - - -

Equipment Failure 13% 5% - 31% 7% - 100% 98% 33% - - - - - - - - - - - - - - -

Operation 82% 91% - 0% 1% 40% - - - - - - - - - - - - - - - - - -

Other - - - 42% 57% 40% - - 33% - - - - - - - - - - - - - - -

Vegetation/Animal 5% 4% - 1% 1% - - - - - - - - - - - - - - - - - - -

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

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

LURING(2.4KV) - Customers: 368 1087.9 3.9 5.0 1740.6 6.0 9.0 9.1 1.0 3.0 47.4 2.9 4.0 - - 1.0 10.5 1.0 - 1202.7 4.0 3.0 1260.6 7.9 8.0

3rd Party - - 20% - - 11% - - - - - - - - - - - - - - - - - -

Equipment Failure 19% 50% - - - 33% 13% 2% - 36% 35% 25% - - - 33% 2% - - - - 2% 13% 12%

Operation - - - 3% 33% - 87% 98% 33% 13% 31% - - - - - - - 2% 25% - 2% 24% -

Other - - 59% 4% 33% 55% - - 33% 51% 35% 50% - - 100% - - - 98% 75% 100% 96% 51% 75%

Vegetation/Animal - - - - - - - - 33% - - - - - - 67% 98% - - - - 1% 13% -

Weather/Fire/Earthquake 81% 50% 20% 92% 33% - - - - - - 25% - - - - - - - - - - - 13%

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 11 of 20

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

31

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

MANNING(12KV) - Customers: 1,297 272.3 3.0 5.9 64.5 1.0 1.0 54.6 1.4 1.3 - - - 4.0 0.0 - 53.1 1.0 - 7.3 0.0 - 64.4 1.0 -

3rd Party 39% 33% 15% - - - 77% 93% 45% - - - 100% 100% - - - - - - - 6% 1% -

Equipment Failure 34% 33% 51% 89% 95% - 16% 2% - - - - - - - 100% 100% - 100% 100% - 94% 99% -

Operation 0% 0% - 11% 5% - 8% 5% 55% - - - - - - - - - - - - - - -

Other - - 17% - - 100% - - - - - - - - - - - - - - - - - -

Vegetation/Animal - - 17% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake 27% 33% - - - - - - - - - - - - - - - - - - - - - -

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

MARBLE(12KV) - Customers: 361 73.4 0.1 1.0 65.4 0.2 2.0 87.2 0.5 0.6 76.2 1.1 - 25.4 0.0 - 54.9 1.0 - - - - 156.5 2.2 -

3rd Party 91% 78% - - - - - - - 89% 99% - - - - - - - - - - 43% 52% -

Equipment Failure 9% 22% 100% 91% 88% 50% 1% 1% - - - - 100% 100% - 100% 100% - - - - 51% 47% -

Operation - - - 9% 13% - 99% 99% 100% 11% 1% - - - - - - - - - - 6% 0% -

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

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

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

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

MARX(12KV) - Customers: 1,478 - - - 1.7 0.0 - - - - - - - 73.2 0.3 - - - - - - - 73.2 0.3 -

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

Equipment Failure - - - - - - - - - - - - 24% 35% - - - - - - - 24% 35% -

Operation - - - 100% 100% - - - - - - - 76% 65% - - - - - - - 76% 65% -

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

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

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

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

MONTREAL(12KV) - Customers: 1,073 36.7 0.9 7.7 1298.8 5.3 7.5 9.3 0.6 3.0 187.3 2.0 3.0 - - 1.0 77.6 1.7 - 1768.0 2.2 2.8 2032.9 5.9 6.8

3rd Party - - 14% - - 13% 25% 0% - - - 33% - - - - - - - - - - - 15%

Equipment Failure 2% 0% - 27% 31% 19% 22% 3% - 2% 1% 33% - - - - - - 1% 3% - 1% 1% 15%

Operation - - - 1% 19% - 53% 96% 33% 43% 50% - - - - 19% 4% - 1% 4% 17% 5% 20% 7%

Other - - 72% 68% 31% 54% - - 33% - - - - - 100% 16% 3% - 35% 64% 83% 31% 24% 49%

Vegetation/Animal - - - - - - - - 33% - - - - - - 65% 94% - - - - 2% 27% -

Weather/Fire/Earthquake 98% 100% 14% 4% 19% 13% - - - 55% 50% 33% - - - - - - 64% 28% - 61% 27% 15%

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 12 of 20

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

32

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

MORITZ(12KV) - Customers: 2,050 52.2 1.3 5.6 27.4 1.0 2.0 71.6 2.3 5.9 456.2 5.0 5.2 56.3 2.1 3.7 136.3 1.8 - 6620.7 6.8 2.9 7269.5 15.7 11.8

3rd Party 25% 18% 18% - - 50% 11% 6% 1% - - - - - - - - - - - - - - -

Equipment Failure 14% 4% - - - 50% 48% 51% 64% 35% 59% 25% 15% 3% 27% 82% 42% - 38% 8% 2% 38% 27% 20%

Operation 6% 2% - 70% 98% - 30% 38% 16% 40% 38% 46% 26% 3% - 11% 3% - 15% 27% 10% 16% 24% 23%

Other 36% 69% 57% - - - 12% 5% 0% - - 24% 59% 94% 73% 2% 1% - 21% 21% 88% 19% 22% 55%

Vegetation/Animal - - - - - - - - 17% - - - - - - 5% 54% - - - - 0% 6% -

Weather/Fire/Earthquake 20% 7% 25% 30% 2% - - - 2% 26% 4% 5% - - - - - - 27% 44% - 26% 20% 2%

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

NORTH BAY(2.4KV) - Customers: 199 41.8 1.0 4.9 254.5 4.0 4.0 874.5 3.5 3.0 130.3 2.0 2.0 - - 1.0 38.3 1.1 - 1450.5 2.0 2.9 1619.0 5.1 5.9

3rd Party - - 20% - - 25% 74% 22% - - - - - - - - - - - - - - - -

Equipment Failure - - - 76% 25% 25% - - - - - 50% - - - - - - - - - - - 17%

Operation - - - 5% 25% - 1% 29% 33% 31% 50% - - - - 81% 9% - 0% 1% - 5% 22% -

Other - - 61% 6% 25% 25% - - 33% - - - - - 100% - - - 100% 99% 100% 89% 39% 66%

Vegetation/Animal - - - - - - - - 33% - - - - - - 19% 91% - - - - 0% 20% -

Weather/Fire/Earthquake 100% 100% 20% 13% 25% 25% 25% 49% - 69% 50% 50% - - - - - - - - - 6% 19% 17%

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

NORTH SHORE(12KV) - Customers: 1,137 371.9 4.3 8.3 45.3 2.0 6.0 2.9 0.3 3.0 199.7 2.0 1.0 47.5 1.0 2.3 12.9 1.0 - 2075.6 4.2 4.9 2335.6 8.3 8.2

3rd Party - - 13% - - 17% 23% 4% - - - - - - - - - - - - - - - -

Equipment Failure 8% 17% 2% 53% 50% 17% - - - 8% 50% 100% - - - - - - 4% 21% - 4% 23% 12%

Operation 10% 20% - 47% 50% - 77% 96% 33% - - - 3% 2% - 31% 2% - 0% 7% - 1% 4% -

Other 83% 63% 72% - - 67% - - 33% 2% 0% - 97% 98% 100% 15% 2% - 17% 24% 80% 18% 25% 76%

Vegetation/Animal - - 13% - - - - - 33% - - - - - - 54% 97% - - - - 0% 12% -

Weather/Fire/Earthquake - - - - - - - - - 89% 50% - - - - - - - 79% 48% 20% 78% 36% 12%

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

NORTHPARK(12KV) - Customers: 2,188 116.4 1.7 1.7 207.5 2.4 0.8 48.5 0.5 1.3 5.5 0.1 - 59.0 2.2 - 12.0 1.0 0.2 22.2 1.0 - 98.7 4.4 0.2

3rd Party 27% 59% 42% 0% 0% - 4% 0% 20% - - - - - - 3% 3% 100% - - - 0% 1% 100%

Equipment Failure 19% 2% - 33% 43% - 26% 15% - - - - 1% 1% - 2% 0% - 1% 0% - 1% 0% -

Operation 25% 17% - 5% 3% 3% 27% 74% - - - - 20% 53% - 6% 0% - - - - 13% 27% -

Other - - - 46% 33% 97% 34% 8% 80% 2% 1% - 79% 47% - - - - 95% 100% - 69% 46% -

Vegetation/Animal - - - - - - - - - - - - - - - 90% 96% - - - - 11% 23% -

Weather/Fire/Earthquake 29% 22% 58% 16% 20% - 9% 3% - 98% 99% - - - - - - - 4% 0% - 6% 3% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 13 of 20

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

33

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

OAK KNOLL(2.4KV) - Customers: 507 910.1 2.0 6.0 2590.0 5.0 7.0 8.4 1.0 2.0 2216.7 4.9 5.0 12.2 1.0 1.0 8.1 1.0 - 1214.9 3.1 3.0 3451.9 10.0 9.0

3rd Party - - 17% - - 14% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 29% 7% 0% - 1% 21% 20% - - - - - - - - - 1% 10% 11%

Operation - - - 1% 20% - 93% 100% 50% - - - 100% 100% - 14% 2% - 3% 3% - 2% 11% -

Other - - 67% 13% 40% 57% - - - 99% 79% 60% - - 100% - - - 97% 97% 100% 98% 69% 78%

Vegetation/Animal - - - - - - - - 50% - - - - - - 86% 98% - - - - 0% 10% -

Weather/Fire/Earthquake 100% 100% 16% 87% 40% - - - - - - 20% - - - - - - - - - - - 11%

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

PENSTOCK(12KV) - Customers: 1,948 287.2 1.3 2.2 44.2 0.2 0.3 32.9 0.2 0.2 4.7 0.1 0.1 0.5 0.0 - 1.7 0.0 1.0 151.7 0.3 0.2 158.6 0.4 1.3

3rd Party - - - - - - 80% 73% 3% - - - 14% 10% - 82% 81% - - - - 1% 2% -

Equipment Failure 38% 80% 46% 20% 67% - 16% 25% 28% - - - 30% 40% - - - - 6% 24% 33% 6% 17% 4%

Operation 62% 20% 2% - - - - - - 100% 100% 100% 41% 40% - 18% 19% - 0% 1% - 4% 27% 8%

Other - - 52% - - 69% 3% 1% 69% - - - 14% 10% - - - 100% 0% 0% 67% 0% 0% 88%

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

Weather/Fire/Earthquake - - - 80% 33% 31% - - - - - - - - - - - - - - - - - -

PSPS - - - - - - - - - - - - - - - - - - 94% 75% - 90% 53% -

PRYOR(12KV) - Customers: 2,710 - - - - - - - - 1.0 - - - 0.1 0.0 - 53.8 1.0 - - - - 54.0 1.0 -

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

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

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

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

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

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

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

RANGER(2.4KV) - Customers: 710 1195.0 5.9 5.5 3148.2 8.7 13.0 428.8 2.5 3.0 184.1 2.1 2.0 2.0 0.0 2.0 9.7 1.0 - 569.6 3.2 3.4 765.5 6.4 7.4

3rd Party - - 18% - - 8% - - - - - - - - - - - - - - - - - -

Equipment Failure 67% 17% - 97% 65% 31% 0% 1% - 13% 53% 50% 61% 56% - - - - 14% 6% - 13% 21% 14%

Operation 3% 17% - 1% 12% - 56% 59% 33% - - 50% 39% 44% - - - - 18% 61% - 13% 31% 14%

Other 8% 33% 82% - - 23% 43% 40% 34% - - - - - 100% 28% 4% - 67% 31% 100% 50% 16% 73%

Vegetation/Animal - - - - - - - - 33% - - - - - - 72% 96% - - - - 1% 16% -

Weather/Fire/Earthquake 22% 33% - 2% 23% 38% - - - 87% 47% - - - - - - - 2% 2% - 23% 17% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 14 of 20

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

34

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

REDWOOD(12KV) - Customers: 1,515 - - 0.7 283.4 4.4 1.7 144.8 1.4 2.0 3.0 0.0 - - - 0.9 1.5 0.0 - 116.7 0.2 1.0 121.2 0.2 1.9

3rd Party - - - 17% 9% 97% 89% 75% - - - - - - - - - - 8% 10% - 8% 8% -

Equipment Failure - - - 55% 45% 2% 9% 24% - - - - - - - 100% 100% - 0% 1% - 2% 5% -

Operation - - - 26% 45% 1% - - - - - - - - - - - - 35% 45% 100% 34% 36% 52%

Other - - 100% 2% 1% - - - 100% 100% 100% - - - 100% - - - 56% 45% - 57% 51% 48%

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

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

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

RIM(12KV) - Customers: 1,923 210.5 1.4 6.4 208.0 2.9 6.3 29.8 1.2 2.9 93.7 1.2 1.2 56.6 0.2 2.4 207.5 4.0 1.8 2048.1 3.2 4.3 2405.9 8.5 9.7

3rd Party 21% 22% 16% - - 16% 5% 17% - 8% 1% - - - - - - - 0% 0% - 0% 0% -

Equipment Failure 54% 41% 14% 12% 34% 16% 2% 0% - 71% 86% 84% 1% 3% - 77% 55% 21% 1% 0% 9% 10% 38% 18%

Operation 0% 0% - 7% 35% - 24% 77% 35% - - - 99% 97% - 6% 2% - 7% 29% 7% 9% 14% 3%

Other 24% 36% 66% 29% 13% 60% 60% 6% 30% 21% 13% 16% - - 100% 13% 10% 79% 7% 32% 70% 8% 18% 72%

Vegetation/Animal - - - - - - 9% 0% 35% - - - - - - 4% 33% - - - - 0% 15% -

Weather/Fire/Earthquake 1% 0% 5% 53% 17% 9% - - - - - - - - - - - - 85% 38% 14% 72% 14% 6%

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

ROWCO(12KV) - Customers: 1,258 1132.3 4.1 6.7 717.8 6.6 11.7 73.5 0.8 2.0 41.2 2.0 6.0 25.5 0.1 1.5 7.0 1.0 - 1183.3 3.0 3.7 1257.1 6.1 11.2

3rd Party 0% 0% 15% - - 9% 88% 14% - - - 17% - - - - - - - - - - - 9%

Equipment Failure 20% 50% 11% 13% 21% 34% 1% 2% - 41% 50% 17% 80% 85% - 1% 1% - 0% 0% - 3% 18% 9%

Operation 0% 1% - 13% 18% - 7% 83% 50% - - - - - - 0% 0% - 0% 1% - 0% 0% -

Other - - 59% 11% 30% 49% 4% 1% - 59% 50% 50% 20% 15% 100% - - - 100% 99% 100% 96% 66% 73%

Vegetation/Animal - - - - - - - - 50% - - - - - - 99% 99% - - - - 1% 16% -

Weather/Fire/Earthquake 80% 49% 15% 64% 30% 9% - - - - - 17% - - - - - - - - - - - 9%

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

SAMPRAS(12KV) - Customers: 97 19.1 1.0 1.0 119.6 1.0 2.0 252.2 1.1 1.0 - - - - - - - - - - - - - - -

3rd Party 100% 100% 100% 100% 100% - 74% 89% - - - - - - - - - - - - - - - -

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

Operation - - - - - - 26% 11% - - - - - - - - - - - - - - - -

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

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

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

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 15 of 20

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

35

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

SANBER(12KV) - Customers: 3,468 35.5 0.1 9.0 102.5 2.2 5.7 79.5 0.7 1.3 9.3 0.0 1.0 8.8 0.0 2.0 0.6 0.0 - 10.3 0.0 - 29.0 0.1 3.0

3rd Party 1% 2% 11% - - 53% 5% 5% 77% - - - - - 100% - - - - - - - - 67%

Equipment Failure 83% 59% - 41% 4% - 10% 3% - 20% 32% - - - - 100% 100% - - - - 9% 19% -

Operation 1% 5% - 7% 1% 12% - - - 67% 63% - - - - - - - 100% 100% - 57% 54% -

Other 5% 16% 33% - - 18% 85% 92% 23% - - - 100% 100% - - - - - - - 30% 24% -

Vegetation/Animal 10% 16% 11% - - - - - - - - - - - - - - - - - - - - -

Weather/Fire/Earthquake - - 45% 53% 95% 18% - - - 13% 5% 100% - - - - - - - - - 4% 3% 33%

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

SEELEY(2.4KV) - Customers: 750 1.5 0.0 5.0 22.4 1.2 2.0 62.8 0.4 2.0 16.9 1.0 1.0 27.7 1.3 3.2 75.4 1.2 0.7 7318.4 5.8 1.6 7438.4 9.3 6.5

3rd Party - - 20% - - 50% 55% 10% - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 50% - - - 100% 100% 100% - - 31% 2% 1% - 1% 2% - 1% 12% 30%

Operation 100% 100% - 62% 82% - 3% 57% 51% - - - 11% 2% - 72% 12% 100% 5% 18% - 6% 13% 11%

Other - - 80% 38% 18% - 42% 33% - - - - 89% 98% 69% 17% 6% - 2% 18% 100% 3% 25% 58%

Vegetation/Animal - - - - - - - - 49% - - - - - - 9% 81% - - - - 0% 11% -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 92% 62% - 90% 39% -

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

SELLERS(12KV) - Customers: 1,971 - - - 0.2 0.0 - 18.9 0.1 1.0 81.7 1.2 0.2 - - - - - - - - - 81.7 1.2 0.2

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

Equipment Failure - - - - - - 89% 93% - 100% 100% 100% - - - - - - - - - 100% 100% 100%

Operation - - - 100% 100% - 11% 7% - - - - - - - - - - - - - - - -

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

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

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

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

SEYMOUR(33KV) - Customers: 3 2429.0 2.0 1.0 1683.0 5.0 3.0 58.4 0.9 - - - - 799.5 1.0 - - - - 191.1 3.0 - 990.6 4.0 -

3rd Party 25% 50% - 1% 20% - - - - - - - 100% 100% - - - - - - - 81% 25% -

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

Operation - - - 42% 40% - 100% 100% - - - - - - - - - - - - - - - -

Other - - 100% 57% 40% 100% - - - - - - - - - - - - - - - - - -

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

Weather/Fire/Earthquake 75% 50% - - - - - - - - - - - - - - - - 100% 100% - 19% 75% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 16 of 20

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

SKYLAND(2.4KV) - Customers: 853 195.2 0.8 4.5 1560.9 1.8 3.6 - - 2.0 541.2 3.4 3.3 22.7 1.0 3.0 60.0 1.3 - 5587.5 5.7 6.9 6211.3 11.4 13.2

3rd Party - - 22% - - 27% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - - - 32% - - - 95% 70% 69% - - 33% 1% 1% - 30% 13% 7% 35% 28% 29%

Operation - - - 1% 57% - - - 50% - - - 4% 2% - 66% 15% - 7% 19% - 7% 12% -

Other 91% 98% 78% - - 27% - - - - - - 96% 98% 67% 21% 5% - 3% 35% 93% 3% 27% 64%

Vegetation/Animal - - - - - - - - 50% - - - - - - 12% 79% - - - - 0% 9% -

Weather/Fire/Earthquake 9% 2% - 99% 43% 13% - - - 5% 30% 31% - - - - - - 61% 32% - 55% 25% 8%

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

SNOW VALLEY(12KV) - Customers: 982 970.7 3.1 6.5 2179.4 7.2 13.6 8.7 0.5 2.0 472.0 4.1 6.2 23.6 0.0 1.0 8.1 1.0 - 1433.2 3.5 3.0 1936.9 8.7 10.3

3rd Party 2% 15% 23% 0% 0% 7% - - - - - 16% 72% 59% - - - - - - - 1% 0% 10%

Equipment Failure 0% 0% - 1% 3% 22% 1% 0% - 16% 25% 16% 17% 21% - - - - - - - 4% 12% 10%

Operation 2% 20% - 1% 14% - 44% 98% 50% 2% 2% 2% - - - 14% 1% - 0% 0% - 1% 1% 1%

Other - - 62% 13% 42% 63% 55% 2% 0% 40% 49% 49% 11% 21% 100% - - - 100% 100% 100% 84% 64% 69%

Vegetation/Animal - - - - - - - - 50% - - - - - - 86% 99% - - - - 0% 11% -

Weather/Fire/Earthquake 96% 65% 15% 85% 41% 8% - - - 42% 24% 16% - - - - - - - - - 10% 12% 10%

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

SPEEDWAY(12KV) - Customers: 129 257.3 2.1 12.4 325.8 1.0 7.9 230.8 1.0 2.9 - - 3.2 - - - - - - 1.3 0.0 0.9 1.3 0.0 4.1

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

Equipment Failure 79% 51% 2% - - - 2% 1% - - - - - - - - - - - - - - - -

Operation - - - 0% 2% 12% - - - - - - - - - - - - 100% 100% 100% 100% 100% 22%

Other - - 74% 0% 2% 25% 98% 99% 100% - - 33% - - - - - - - - - - - 26%

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

Weather/Fire/Earthquake 21% 49% 25% 100% 96% 63% - - - - - 67% - - - - - - - - - - - 52%

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

SQUINT(12KV) - Customers: 1,189 1087.5 3.0 3.5 48.7 1.6 6.8 5.4 0.6 2.0 17.0 1.0 1.0 - - 1.0 132.4 1.8 - 1887.5 3.8 3.0 2036.8 6.5 5.0

3rd Party 17% 36% 27% - - 15% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 3% 0% 15% 20% 2% - 100% 100% 100% - - - 1% 1% - 5% 5% - 6% 18% 20%

Operation 9% 2% 13% 31% 65% - 80% 98% 50% - - - - - - 18% 3% - 20% 54% - 19% 32% -

Other 9% 32% 60% - - 15% - - - - - - - - 100% 76% 40% - 58% 27% 100% 58% 26% 80%

Vegetation/Animal - - - - - - - - 50% - - - - - - 5% 56% - - - - 0% 15% -

Weather/Fire/Earthquake 64% 30% - 66% 35% 56% - - - - - - - - - - - - 18% 14% - 16% 8% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 17 of 20

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

TAGGERT(12KV) - Customers: 627 911.0 2.0 6.9 2604.1 5.0 7.0 12.3 1.0 3.0 3207.5 4.1 6.0 25.3 1.0 1.0 13.8 1.0 - 1224.0 3.1 3.0 4470.5 9.3 10.0

3rd Party - - 14% 1% 0% 14% - - - - - 17% - - - - - - - - - - - 10%

Equipment Failure - - - 0% 0% 29% - - - 12% 26% 17% - - - 43% 2% - 0% 1% - 9% 12% 10%

Operation 0% 2% - 0% 20% - 62% 98% 33% - - - 100% 100% - - - - 4% 4% - 2% 12% -

Other - - 71% 12% 39% 57% 38% 2% 33% 4% 48% 50% - - 100% 6% 0% - 96% 96% 100% 29% 54% 70%

Vegetation/Animal - - - - - - - - 33% - - - - - - 51% 98% - - - - 0% 11% -

Weather/Fire/Earthquake 100% 98% 14% 87% 40% - - - - 84% 26% 17% - - - - - - - - - 60% 11% 10%

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

TETLEY(12KV) - Customers: 868 198.7 1.7 5.6 598.4 4.0 4.1 151.1 2.0 3.9 24.1 1.0 2.0 103.2 1.1 3.0 103.7 2.3 - 5775.0 9.2 4.8 6006.0 13.7 9.8

3rd Party - - 18% - - 23% - - - - - - 75% 8% - - - - - - - 1% 1% -

Equipment Failure - - - 48% 27% 52% 21% 24% 47% 100% 100% 51% - - 33% 0% 1% - 49% 52% 21% 48% 43% 31%

Operation 0% 7% - 3% 25% - 19% 49% 14% - - - - - - 40% 45% - 8% 11% 1% 8% 15% 0%

Other 2% 21% 82% 38% 24% 25% 7% 1% - - - 49% 25% 92% 67% 48% 12% - 6% 11% 37% 7% 17% 49%

Vegetation/Animal - - - - - - - - 26% - - - - - - 12% 42% - 1% 1% - 1% 7% -

Weather/Fire/Earthquake 97% 72% - 10% 24% - 54% 26% 14% - - - - - - - - - 35% 25% 41% 34% 17% 20%

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

TOKAY(12KV) - Customers: 2,439 26.5 0.0 2.0 72.5 1.8 1.0 0.4 0.0 - - - 1.0 0.0 0.0 - 0.4 0.0 - - - - 0.4 0.0 1.0

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

Equipment Failure 86% 61% - 73% 57% - 100% 100% - - - - - - - - - - - - - - - -

Operation - - - 27% 43% - - - - - - - 100% 100% - 100% 100% - - - - 100% 100% -

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

Vegetation/Animal 14% 39% - - - - - - - - - - - - - - - - - - - - - -

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

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

TORONTO(12KV) - Customers: 845 277.8 2.2 5.0 919.9 4.5 6.3 170.6 2.3 2.0 5.8 0.0 1.1 20.3 0.1 1.0 79.8 1.6 - 1622.9 4.0 3.0 1728.9 5.8 5.0

3rd Party - - 20% - - 16% 4% 1% - - - - - - - - - - 1% 1% - 1% 1% -

Equipment Failure 62% 14% - 37% 35% 54% - - - - - 94% 89% 95% 0% 0% 0% - 2% 0% - 3% 2% 20%

Operation 8% 40% - 2% 22% - 9% 9% 50% - - - - - - 81% 36% - 5% 49% - 9% 44% -

Other - - 60% 20% 1% 16% - - - - - 4% 11% 5% 100% 10% 1% - 90% 49% 100% 85% 35% 80%

Vegetation/Animal - - - - - - - - 50% - - - - - - 9% 63% - - - - 0% 17% -

Weather/Fire/Earthquake 30% 46% 20% 42% 42% 15% 87% 90% - 100% 100% 2% - - - - - - 1% 0% - 2% 1% 0%

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 18 of 20

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

38

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

TRACTOR(12KV) - Customers: 333 3.1 0.0 - 64.4 3.2 1.0 7.5 0.0 1.0 2.1 0.0 1.0 - - - - - - 17.8 0.0 1.0 19.9 0.0 2.0

3rd Party - - - - - 100% - - 100% - - - - - - - - - - - 100% - - 51%

Equipment Failure - - - 84% 68% - 100% 100% - - - - - - - - - - 3% 25% - 3% 22% -

Operation 100% 100% - 16% 32% - - - - - - - - - - - - - 97% 75% - 86% 67% -

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

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

Weather/Fire/Earthquake - - - - - - - - - 100% 100% 100% - - - - - - - - - 11% 11% 49%

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

TULLY(12KV) - Customers: 1,051 - - 3.0 60.2 0.3 2.0 332.8 1.2 1.1 100.4 0.5 1.0 - - - - - 2.0 0.1 0.0 1.0 100.5 0.5 4.0

3rd Party - - - 64% 75% 43% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 28% 15% - - - - - - - - - - - - - - - - - - -

Operation - - - 5% 7% - 3% 16% - 62% 64% - - - - - - - 100% 100% - 62% 65% -

Other - - 100% - - 50% 1% 1% 12% 38% 36% 1% - - - - - 51% - - 100% 38% 35% 50%

Vegetation/Animal - - - 2% 3% 6% - - 88% - - 99% - - - - - - - - - - - 25%

Weather/Fire/Earthquake - - - - - - 95% 83% - - - - - - - - - 49% - - - - - 25%

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

TWIN PEAKS(33KV) - Customers: 2 1658.0 3.0 7.0 104.0 2.0 6.0 - - 2.0 17.0 1.0 1.0 891.5 3.0 1.0 374.6 3.0 - 2539.8 5.0 2.0 3822.9 12.0 4.0

3rd Party - - 14% - - 17% - - - - - - - - - - - - - - - - - -

Equipment Failure 6% 33% - - - 17% - - - 100% 100% 100% 76% 33% - 67% 33% - 14% 40% - 34% 42% 25%

Operation 94% 67% - 13% 50% - - - 50% - - - 7% 33% - 32% 33% - - - - 5% 17% -

Other - - 86% - - 67% - - - - - - 17% 33% 100% - - - 5% 20% 100% 7% 17% 75%

Vegetation/Animal - - - - - - - - 50% - - - - - - 2% 33% - - - - 0% 8% -

Weather/Fire/Earthquake - - - 88% 50% - - - - - - - - - - - - - 81% 40% - 54% 17% -

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

VALLEY OF THE MOON(2.4KV) - Customers: 628 7.4 1.0 4.0 17.7 1.0 4.1 168.3 4.3 4.0 243.2 3.0 2.0 34.1 2.0 2.0 10.2 1.0 - 5699.6 7.8 3.4 5987.0 13.9 7.4

3rd Party - - 25% - - 24% - - - - - - - - - - - - - - - - - -

Equipment Failure - - - 7% 0% 24% 13% 24% 75% 68% 67% 50% - - 50% - - - - - - 3% 15% 27%

Operation 18% 1% - 93% 100% - 87% 76% - 32% 33% - 12% 1% - 18% 1% - 7% 13% - 8% 15% -

Other 82% 99% 75% - - 52% - - - - - 50% 88% 99% 50% 13% 1% - 7% 26% 100% 7% 29% 73%

Vegetation/Animal - - - - - - - - 25% - - - - - - 69% 98% - - - - 0% 7% -

Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 86% 61% - 82% 34% -

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

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 19 of 20

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

39

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

VERDEMONT(33KV) - Customers: 11 5254.6 1.6 1.6 1037.5 4.2 2.6 195.4 1.2 4.2 - - - 9.5 1.2 3.0 639.0 1.6 - - - 1.0 648.5 2.8 4.0

3rd Party 7% 88% 25% 34% 33% 23% 92% 17% 29% - - - - - - - - - - - - - - -

Equipment Failure - - - 20% 10% 38% - - - - - - 73% 83% 67% 77% 63% - - - - 77% 71% 50%

Operation - - - 4% 10% - - - - - - - 27% 17% - 23% 38% - - - - 23% 29% -

Other - - 75% 4% 24% 38% 8% 83% 71% - - - - - - - - - - - 100% - - 25%

Vegetation/Animal - - - - - - - - - - - - - - 33% - - - - - - - - 25%

Weather/Fire/Earthquake 93% 13% - 38% 24% - - - - - - - - - - - - - - - - - - -

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

WAHLSTROM(12KV) - Customers: 2,580 192.9 2.1 1.0 70.5 1.7 3.0 203.0 1.7 1.5 4.3 0.0 - 3.8 0.0 - - - - 2.2 0.0 - 10.2 0.1 -

3rd Party 77% 53% 99% 34% 2% 33% - - 70% - - - 48% 84% - - - - - - - 18% 40% -

Equipment Failure 22% 46% - 2% 0% - - - - 100% 100% - 52% 16% - - - - - - - 61% 22% -

Operation 1% 1% 1% 64% 98% - 52% 49% - - - - - - - - - - - - - - - -

Other - - - - - 33% 48% 51% 30% - - - - - - - - - - - - - - -

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

Weather/Fire/Earthquake - - - - - 33% - - - - - - - - - - - - 100% 100% - 22% 38% -

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

ZIMMER(12KV) - Customers: 1,467 8.1 0.1 2.0 70.2 2.1 1.0 161.5 1.4 1.1 17.3 0.2 0.8 3.4 0.0 - - - 1.0 3.3 0.0 - 24.0 0.2 1.8

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

Equipment Failure - - - - - - 99% 85% - 98% 100% 100% 100% 100% - - - - 100% 100% - 98% 100% 46%

Operation 100% 100% - 96% 99% - - - - - - - - - - - - - - - - - - -

Other - - - 3% 1% - 1% 15% - - - - - - - - - - - - - - - -

Vegetation/Animal - - - - - - - - - - - - - - - - - 100% - - - - - 54%

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

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

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - -

Reliability Histories for Individual Circuits Serving San Bernardino District 2 - 20 of 20

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

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