Upload
lamdan
View
218
Download
3
Embed Size (px)
Citation preview
Circuit Reliability Review Santa Clarita
January 2018
Building a Smarter Grid for Southern California
• Southern California Edison is developing an electric grid to support California’s transition to a clean and sustainable future that meets the needs and expectations of our customers.
• We are investing more than $13 billion in the power distribution grid over three years (2017-19). Our main investment goal is to increase power reliability through significant upgrades. The investments include:
• Upgrading cables, poles, switches and transformers
• Updating the grid so it can accommodate new technologies, such as smart inverters that will allow for the two-way flow of solar energy
• Adapting the power system to accommodate future California policy related to energy storage, electric transportation and renewable energy
• Providing enhanced automation and monitoring devices to allow us to better respond to changes on the grid
• Our investments in local communities will help ensure that customers receive safe, reliable, and affordable electricity now and in the future.
• Learn more at edison.com/innovation
2
Understanding Your Reliability Report
• As your electric utility, we want you to always have power when you need it. To
get there, we constantly track and monitor electric outages across our service
territory, and we measure our “system reliability” from this data.
• The two metrics we rely on are common in the electric utility industry: the
System Average Interruption Duration Index (SAIDI) and the System Average
Interruption Frequency Index (SAIFI). Both are described in more detail on the
next page.
• Replacing and upgrading our infrastructure will help SCE maintain or improve
SAIDI and SAIFI measurements.
• This report provides historical reliability data for the circuits that serve your
jurisdiction and our proposed infrastructure upgrades for the current year.
• To view other reliability reports, visit sce.com>Outage Center>Maintaining
Reliable Service
3
Reliability Metrics
MOMENTARY OUTAGES:
OUTAGES LASTING 5 MINUTES OR LESS
MAIFI:
o The number of times the average customer is interrupted by Momentary outages each year.
SUSTAINED OUTAGES:
OUTAGES LASTING LONGER THAN 5 MINUTES
SAIFI:
o The number of times the average customer is interrupted by Sustained outages each year.
SAIDI:
o The cumulative amount of time the average customer is interrupted by Sustained outages each year.
4
CityList1Cities in the VALENCIA DistrictVAL VERDE PARK
AGUA DULCE
BOUQUET CANYON
CANYON COUNTRY
CASTAIC
ESCONDIDO CANYON
FILLMORE
ACTON
TICK CANYON
UNIVERSAL CITY
LOPEZ CANYON
MINT CANYON
NEWHALL
NORTH FORK SADDLE
FOREST PARK
FRIENDLY VALLEY
HASKELL CANYON
HASLEY CANYON
SLEEPY VALLEY
SOLEDAD CANYON
SOLEMINT
VALENCIA
VASQUEZ CANYON
WARM SPRINGS CANYON
PLACERITA CANYON
SAN FERNANDO
SAN FRANCISQUITO CANYON
SAND CANYON
SANTA CLARITA
SAUGUS
NORTH OAKS
PACOIMA CANYON
PICO CANYON
PINE MOUNTAIN CLUB
PINON PINES
PIRU
LAKE OF THE WOODS
LITTLE TUJUNGA
HONBY
KAGEL CANYON
5
*”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.
6
CircuitList1Overview of Santa ClaritaThere are 55 circuits that serve Santa Clarita 1
Circuit Type Customers Circuit Type Customers Circuit Type Customers Circuit Type Customers
ANACONDA(16KV) 1,693 MAXIMUS(16KV) 2,773 - -
ARLENE(16KV) 1,563 MCBEAN(16KV) 2,880 - -
BERMITE(16KV) 664 MENTRY(16KV) 2,317 - -
BLACKBIRD(16KV) 1,466 MINT CANYON(16KV) 1,213 - -
BOA(16KV) 1,697 MOCCASIN(16KV) 1,428 - -
BOUQUET(16KV) 740 MORRIE(16KV) 283 - -
BUCKHORN(16KV) 2,443 NEARGATE(16KV) 1,626 - -
CAESAR(16KV) 1,970 NERO(16KV) 2,069 - -
CALGROVE(16KV) 1,894 NIGHTHAWK(16KV) 342 - -
CENTURION(16KV) 2,149 ORION(16KV) 3,153 - -
CHARIOT(16KV) 2,620 PLACERITA(16KV) 1,369 - -
COBRA(16KV) 1,745 POWELL(16KV) 2,243 - -
CONSTANTINE(16KV) 2,092 PYTHON(16KV) 1,442 - -
COPPERHEAD(16KV) 800 RACER(16KV) 722 - -
COTTONMOUTH(16KV) 3,400 RATTLER(16KV) 3,082 - -
CRABTREE(16KV) 1,530 RINER(16KV) 1,177 - -
CROSS(16KV) 1,331 ROMANUS(16KV) 2,109 - -
DEWITT(16KV) 1,185 SAND CANYON(16KV) 2,305 - -
DIAMONDBACK(16KV) 2,139 STARFIGHTER(16KV) 3,566 - -
DRY CANYON(16KV) 1,710 TIPS(16KV) 637 - -
ELECTRA(16KV) 282 TOGA(16KV) 2,118 - -
GAVIN(16KV) 1,204 VAL VERDE(16KV) 128 - -
GUITAR(16KV) 243 VASQUEZ(16KV) 2,225 - -
HILLFIELD(16KV) 2,059 WILDWOOD(16KV) 2,182 - -
JBSHERMAN(16KV) 2,718 WILEY(16KV) 2,487 - -
JULIUS(16KV) 3,078 - - -
LYONS(16KV) 3,580 - - -
MAGIC(16KV) 172 - - -
MAMBA(16KV) 2,148 - - -
MARCUS(16KV) 1,399 - - -
Grand Total 97,590
7
BarChart
SCE SYSTEMWIDE
**Data is as of 02/20/2018, data
can be slightly different due to
outage data validation process
Santa Clarita
Reliability History of Circuits Serving Santa Clarita (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.
80.767.6
106.9
146.7
112.1 114.8
134.5 139.7
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
2014 2015 2016 2017
SAIDI
(average
minutes of
sustained
interruptions)
0.50.6
1.0
1.2
1.0 0.9
1.11.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
SAIFI
(average
frequency of
sustained
interruptions)
0.80.9
1.5
1.21.4 1.4
1.61.8
0.0
0.5
1.0
1.5
2.0
MAIFI
(average
frequency of
momentary
interruptions)
8
SAIDIChart
SAIDI = the cumulative amount of time the average customer is interrupted by “sustained” outages each year.
Causes of Repair Outages in Santa Clarita
2017
3rd Party
7.4%
Equipment Failure
52.1%Operation
10.3%
Other
16.9%
Vegetation
/Animal
1.4%
Weather /Fire
/Earthquake
12.0%
Contributions to SAIDI by Outage Cause
3rd Party
Equipment Failure
Operation
Other
Vegetation /Animal
Weather /Fire /Earthquake
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
9
SAIFIChart
SAIFI = the number of times the average customer is interrupted by “sustained” outages each year
Causes of Repair Outages in Santa Clarita
2017
3rd Party
10.8%
Equipment Failure
42.8%
Operation
15.8%
Other
15.2%
Vegetation /Animal
5.2%
Weather /Fire
/Earthquake
10.2%
Contributions to SAIFI by Outage Cause
3rd Party
Equipment Failure
Operation
Other
Vegetation /Animal
Weather /Fire /Earthquake
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
10
11
12
Back-up Slides
Reliability Histories of Circuits Serving Santa Clarita
Updated through Dec 2017
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
80.7 0.5 0.8 67.6 0.6 0.9 106.9 1.0 1.5 11.9 0.1 0.3 28.4 0.2 0.3 20.7 0.2 0.3 85.7 0.6 0.4 146.7 1.2 1.2
3rd Party 1% 1% 13% 9% 8% 12% 11% 9% 3% 5% 11% 1% 15% 18% 41% 9% 8% 4% 5% 9% 19% 7% 11% 16%
Equipment Failure 72% 67% 22% 58% 60% 34% 51% 43% 7% 69% 36% 18% 75% 63% 29% 78% 75% 31% 36% 28% 25% 52% 43% 25%
Operation 4% 7% 5% 8% 6% 7% 10% 16% 6% 14% 7% - 7% 10% - 8% 15% 2% 11% 20% 0% 10% 16% 1%
Other 0% 0% 18% 5% 6% 16% 9% 13% 15% 0% 0% 46% 1% 0% 21% 5% 3% 12% 27% 27% 33% 17% 15% 29%
Vegetation/Animal 4% 5% 36% 1% 5% 13% 7% 14% 67% 1% 13% 1% 2% 7% 9% - - 13% 2% 4% 23% 1% 5% 12%
Weather/Fire/Earthquake 19% 20% 6% 19% 15% 17% 13% 5% 3% 11% 33% 34% 1% 2% - 0% 0% 38% 19% 11% - 12% 10% 17%
SCE SYSTEMWIDE 112.1 1.0 1.4 114.8 0.9 1.4 134.5 1.1 1.6 42.6 0.3 0.5 23.6 0.2 0.4 29.2 0.2 0.4 44.3 0.4 0.5 139.7 1.2 1.8
Average Reliability of 55 Circuits Serving Santa Clarita
4th Qtr 2017 20172014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017
55 Circuits Serving Santa Clarita -- Total
Customers: 97,590
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 conductors
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.
14
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
ANACONDA(16KV) - Customers: 1,693 15.3 0.0 1.0 6.1 0.0 - 21.5 0.1 1.0 33.5 0.2 - 49.9 0.1 - 25.4 0.1 0.1 - - - 108.8 0.4 0.1
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 100% 100% 100% - 100% 100% - - - - 86% 71% - - - - - - - 39% 22% -
Operation - - - - - - - - - 100% 100% - 14% 29% - - - 100% - - - 37% 55% 100%
Other - - - - - - - - - - - - - - - 100% 100% - - - - 23% 23% -
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
ARLENE(16KV) - Customers: 1,563 46.9 0.3 0.1 61.2 0.2 0.0 34.0 0.7 4.0 - - - - - - 34.0 0.1 1.0 3.7 0.0 - 37.7 0.2 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 17% 12% 41% 100% 100% 100% 25% 7% - - - - - - - 66% 72% - 100% 100% - 69% 76% -
Operation 82% 87% 59% - - - 75% 93% - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - 28% 25% - - - - 25% 21% -
Vegetation/Animal 1% 1% - - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - 6% 3% 100% - - - 6% 3% 100%
BERMITE(16KV) - Customers: 664 17.1 0.0 - 9.2 0.1 2.0 94.5 1.7 1.0 92.6 1.0 - 6.4 0.0 1.0 - - - - - - 98.9 1.0 1.0
3rd Party - - - - - - - - - - - - 77% 25% - - - - - - - 5% 1% -
Equipment Failure 100% 100% - 73% 42% 50% - - - 100% 100% - - - - - - - - - - 94% 98% -
Operation - - - - - - - - - - - - - - - - - - - - - - - -
Other - - - 27% 58% - 93% 79% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - 50% 7% 21% 100% - - - 23% 75% 100% - - - - - - 2% 2% 100%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
BLACKBIRD(16KV) - Customers: 1,466 - - - 6.7 0.1 - 18.3 0.1 1.0 2.9 0.0 - 2.1 0.0 - - - - 356.1 3.6 2.5 361.0 3.6 2.5
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - - - - - - - - - - - - - 53% 22% 50% 52% 22% 50%
Operation - - - 100% 100% - 100% 100% - 100% 100% - 100% 100% - - - - 15% 28% - 16% 29% -
Other - - - - - - - - - - - - - - - - - - 32% 50% 9% 31% 50% 9%
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - 41% - - 41%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 1 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
15
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
BOA(16KV) - Customers: 1,697 17.9 0.1 - 2.4 0.0 - 19.4 0.1 1.0 - - - - - 1.0 - - - 0.6 0.0 0.0 0.6 0.0 1.0
3rd Party 96% 43% - - - - - - - - - - - - - - - - 100% 100% 100% 100% 100% 0%
Equipment Failure - - - 100% 100% - 100% 100% - - - - - - - - - - - - - - - -
Operation 4% 57% - - - - - - - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 100% - - - - - 100% - - - - - - - - 100%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
BOUQUET(16KV) - Customers: 740 108.9 1.3 3.0 30.8 0.8 1.3 267.2 2.1 5.4 - - - 0.2 0.0 - 10.2 0.1 1.0 61.8 1.0 - 72.3 1.1 1.0
3rd Party - - - - - - 68% 52% - - - - - - - - - 100% - - - - - 100%
Equipment Failure 27% 8% 1% 7% 1% 71% 10% 24% 11% - - - 58% 50% - - - - - - - 0% 0% -
Operation - - - 85% 97% 20% - - - - - - 42% 50% - 100% 100% - - - - 14% 11% -
Other 5% 4% - - - 9% 22% 24% 11% - - - - - - - - - - - - - - -
Vegetation/Animal 0% 0% 66% - - - - - 79% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 68% 89% 33% 8% 2% - - - - - - - - - - - - - 100% 100% - 85% 89% -
BUCKHORN(16KV) - Customers: 2,443 39.1 0.1 1.1 250.9 2.0 2.0 27.0 0.1 1.1 - - 1.1 197.1 1.3 0.0 19.1 0.3 1.1 - - 1.1 216.2 1.6 3.2
3rd Party 2% 2% - 1% 0% 51% - - - - - - - - - - - - - - - - - -
Equipment Failure 98% 97% - 8% 2% - 29% 46% - - - - 98% 97% - 47% 12% - - - - 93% 83% -
Operation 0% 1% - 1% 1% - 2% 4% - - - - - - - 48% 86% - - - - 4% 14% -
Other - - 97% 0% 0% 2% - - 100% - - 100% - - 100% 5% 1% 7% - - 7% 0% 0% 38%
Vegetation/Animal - - - - - - 5% 3% - - - - - - - - - 93% - - 93% - - 62%
Weather/Fire/Earthquake - - 3% 90% 97% 47% 65% 46% - - - - 2% 3% - - - - - - - 2% 3% -
CAESAR(16KV) - Customers: 1,970 142.3 0.8 1.6 75.8 0.7 0.3 121.8 1.6 0.4 - - - - - - - - - 60.5 1.0 - 60.5 1.0 -
3rd Party 1% 2% 63% 100% 100% 100% - - - - - - - - - - - - 100% 100% - 100% 100% -
Equipment Failure 99% 98% 37% - - - 86% 97% 100% - - - - - - - - - - - - - - -
Operation - - - - - - 2% 1% - - - - - - - - - - - - - - - -
Other - - - - - - 12% 2% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 2 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
16
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
CALGROVE(16KV) - Customers: 1,894 94.7 1.4 1.0 111.8 0.5 3.3 7.8 0.1 1.0 18.8 0.1 - 1.2 0.0 0.0 - - - - - 1.0 20.0 0.1 1.0
3rd Party - - - 6% 3% - - - - - - - - - - - - - - - 100% - - 98%
Equipment Failure 6% 1% - 55% 10% 0% 81% 98% 1% 100% 100% - 100% 100% 50% - - - - - - 100% 100% 1%
Operation 7% 30% 4% 18% 30% 31% - - - - - - - - - - - - - - - - - -
Other - - 1% 22% 58% 69% 19% 2% - - - - - - 50% - - - - - - - - 1%
Vegetation/Animal - - 95% - - - - - 99% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 87% 69% - - - - - - - - - - - - - - - - - - - - - -
CENTURION(16KV) - Customers: 2,149 118.0 0.5 0.5 111.7 0.5 1.7 44.3 1.6 0.0 - - - - - - 45.8 0.5 1.0 - - - 45.8 0.5 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 99% 96% 100% 94% 93% 100% 73% 6% 100% - - - - - - 100% 100% 100% - - - 100% 100% 100%
Operation 1% 4% - 6% 7% - 27% 94% - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
CHARIOT(16KV) - Customers: 2,620 182.8 1.8 1.0 7.2 0.1 1.1 133.6 0.4 0.7 15.1 0.1 - - - - 139.6 1.1 - - - 1.0 154.7 1.2 1.0
3rd Party - - - 85% 92% - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 100% - - - - - - - - - - - - 99% 93% - - - 100% 90% 87% 100%
Operation - - - 15% 8% 5% 9% 11% 6% 100% 100% - - - - 1% 7% - - - - 10% 13% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - 95% 91% 89% 94% - - - - - - - - - - - - - - -
COBRA(16KV) - Customers: 1,745 2.6 0.0 - 0.1 0.0 - 3.7 0.2 1.8 - - - - - - 5.1 0.3 1.0 - - - 5.1 0.3 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - - - - - - - - - - 34% 2% - - - - 34% 2% -
Operation 100% 100% - 100% 100% - - - - - - - - - - 66% 98% - - - - 66% 98% -
Other - - - - - - 100% 100% 44% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 56% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - 100% - - - - - 100%
Reliability Histories for Individual Circuits Serving Santa Clarita - 3 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
17
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
CONSTANTINE(16KV) - Customers: 2,092 18.0 0.1 - 15.5 0.1 - 19.6 0.1 - - - - 4.6 0.0 - 3.1 0.0 0.1 35.5 0.4 0.7 43.2 0.4 0.8
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 97% 78% - - - - 69% 57% - - - - 100% 100% - - - - 97% 98% 100% 90% 94% 87%
Operation 3% 22% - 100% 100% - 31% 43% - - - - - - - 100% 100% 100% 3% 2% - 10% 6% 13%
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
COPPERHEAD(16KV) - Customers: 800 656.4 3.2 2.2 - - - 401.0 1.6 1.6 - - - - - - - - - 57.2 1.0 - 57.2 1.0 -
3rd Party 1% 2% 45% - - - - - - - - - - - - - - - 100% 100% - 100% 100% -
Equipment Failure 90% 66% 55% - - - 98% 74% - - - - - - - - - - - - - - - -
Operation 1% 9% - - - - - - - - - - - - - - - - - - - - - -
Other - - - - - - 2% 26% 37% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 63% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 8% 23% - - - - - - - - - - - - - - - - - - - - - -
COTTONMOUTH(16KV) - Customers: 3,400 190.5 1.1 - 23.0 0.1 - 187.4 0.9 1.5 - - - 12.1 0.1 - 152.7 2.1 - 27.0 0.2 - 191.8 2.4 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 99% 99% - 37% 39% - 95% 93% 33% - - - 25% 45% - 81% 88% - 100% 100% - 80% 87% -
Operation 1% 1% - 63% 61% - 4% 5% - - - - 75% 55% - 19% 12% - - - - 20% 13% -
Other - - - - - - 1% 2% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 67% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
CRABTREE(16KV) - Customers: 1,530 1.4 0.0 2.0 17.6 0.1 1.0 271.7 3.1 2.0 - - - 24.3 1.1 - - - - 597.7 2.9 1.1 621.9 4.0 1.1
3rd Party - - 50% - - - 61% 63% - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% - - - - 0% 0% 50% - - - - - - - - - 45% 31% 100% 44% 22% 100%
Operation - - - 100% 100% - 4% 2% - - - - - - - - - - 17% 35% - 17% 25% -
Other - - 50% - - - 35% 32% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - 100% 0% 3% 50% - - - 100% 100% - - - - - - - 4% 28% -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 37% 35% - 36% 25% -
Reliability Histories for Individual Circuits Serving Santa Clarita - 4 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
18
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
CROSS(16KV) - Customers: 1,331 32.0 0.1 1.0 38.0 0.2 - 6.0 0.1 1.0 - - - - - - - - - 16.8 0.2 0.0 16.8 0.2 0.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 3% 99% 86% - 100% 100% - - - - - - - - - - 79% 28% - 79% 28% -
Operation - - - 1% 14% - - - - - - - - - - - - - 21% 72% 100% 21% 72% 100%
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 97% - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
DEWITT(16KV) - Customers: 1,185 15.9 0.1 1.0 90.3 1.3 0.6 128.8 0.4 0.9 31.3 0.1 0.0 9.3 0.0 0.0 21.0 0.1 - - - - 61.6 0.3 0.1
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 99% 92% - 99% 96% 100% 98% 95% - 87% 63% 100% 100% 100% 100% 99% 81% - - - - 93% 76% 100%
Operation 1% 8% - 1% 4% - 2% 5% - 13% 37% - - - - 1% 19% - - - - 7% 24% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 100% - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
DIAMONDBACK(16KV) - Customers: 2,139 0.3 0.0 - - - - 10.2 0.1 1.0 - - - 29.4 0.2 - 2.7 0.0 - 0.8 0.0 - 32.8 0.2 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - - - - - - - 64% 56% - 100% 100% - - - - 65% 63% -
Operation 100% 100% - - - - 100% 100% - - - - 36% 44% - - - - 100% 100% - 35% 37% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
DRY CANYON(16KV) - Customers: 1,710 288.8 1.9 0.1 0.3 0.0 1.0 144.8 2.1 1.0 - - - 16.1 0.0 - - - - 34.6 1.0 - 50.7 1.0 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 100% 100% 100% - 15% 4% - - - - 100% 100% - - - - 100% 100% - 100% 100% -
Operation - - - - - - - - - - - - - - - - - - - - - - - -
Other - - - - - - 80% 47% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - 100% 6% 49% 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 5 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
19
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
ELECTRA(16KV) - Customers: 282 41.8 0.3 1.7 - - - - - 1.0 - - - - - 1.0 - - 1.0 271.9 1.2 0.8 271.9 1.2 2.8
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 62% 50% 49% - - - - - - - - - - - - - - - - - - - - -
Operation - - - - - - - - - - - - - - - - - 100% - - - - - 35%
Other 38% 50% 51% - - - - - - - - - - - 100% - - - - - - - - 35%
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - 1% 14% 100% 1% 14% 30%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 99% 86% - 99% 86% -
GAVIN(16KV) - Customers: 1,204 - - 1.0 21.0 0.1 - 47.0 0.2 1.1 - - - 2.2 0.2 - - - - - - - 2.2 0.2 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - 70% 57% - - - - - - - - - - - - - - - -
Operation - - - 100% 100% - 30% 43% - - - - 100% 100% - - - - - - - 100% 100% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 100% - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
GUITAR(16KV) - Customers: 243 213.6 3.1 2.4 193.9 2.3 8.5 39.2 0.3 3.1 - - 1.2 7.9 0.1 - 30.7 1.0 0.2 510.2 1.6 1.0 548.8 2.7 2.4
3rd Party 23% 27% 6% - - 4% - - - - - - 100% 100% - - - - - - - 1% 4% -
Equipment Failure 31% 11% 42% 11% 2% - 15% 6% - - - 15% - - - 100% 100% - 7% 1% - 12% 39% 8%
Operation 0% 1% - 2% 1% - 57% 35% - - - - - - - - - - - - - - - -
Other - - 52% 13% 11% 96% - - 67% - - 85% - - - - - - - - - - - 43%
Vegetation/Animal 44% 60% - - - - 21% 4% 33% - - - - - - - - 100% - - 100% - - 50%
Weather/Fire/Earthquake 1% 0% - 74% 86% - 6% 54% - - - - - - - - - - 93% 99% - 87% 57% -
HILLFIELD(16KV) - Customers: 2,059 3.8 0.0 - 59.6 1.0 1.0 6.6 0.0 5.0 - - 1.0 11.6 0.0 - - - 2.0 408.8 1.8 - 420.4 1.9 3.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - 100% 100% 4% 30% 24% - - - - - - - - - - - - - - - -
Operation 100% 100% - 0% 0% 96% 70% 76% - - - - 52% 92% - - - - - - - 1% 2% -
Other - - - - - - - - 20% - - 100% 48% 8% - - - - - - - 1% 0% 34%
Vegetation/Animal - - - - - - - - 80% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - 100% 100% 100% - 97% 98% 66%
Reliability Histories for Individual Circuits Serving Santa Clarita - 6 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
20
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
JBSHERMAN(16KV) - Customers: 2,718 159.3 1.1 0.1 210.3 1.4 0.9 196.8 2.3 1.3 - - - 170.2 1.0 1.3 - - - - - - 170.2 1.0 1.3
3rd Party - - - - - - - - - - - - - - 77% - - - - - - - - 77%
Equipment Failure 97% 91% 100% 63% 51% 67% 94% 57% 23% - - - 97% 97% 23% - - - - - - 97% 97% 23%
Operation 3% 9% - - - - 2% 1% - - - - 3% 3% - - - - - - - 3% 3% -
Other - - - 37% 49% 33% - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - 4% 43% 77% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
JULIUS(16KV) - Customers: 3,078 10.3 0.0 1.0 28.7 0.1 - 4.5 0.1 - - - - 0.5 0.0 - - - - 354.7 2.4 - 355.3 2.4 -
3rd Party - - 100% - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - 100% 100% - 10% 3% - - - - - - - - - - - - - - - -
Operation 100% 100% - - - - 90% 97% - - - - 100% 100% - - - - 4% 16% - 4% 16% -
Other - - - - - - - - - - - - - - - - - - 96% 84% - 96% 84% -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
LYONS(16KV) - Customers: 3,580 0.7 0.0 2.0 10.2 0.1 2.1 25.9 1.1 2.0 6.4 0.8 1.2 89.7 1.1 2.2 2.4 0.0 - 473.8 2.1 1.0 572.2 4.1 4.3
3rd Party - - 50% - - 50% - - - - - - 26% 75% 100% - - - 2% 6% 100% 6% 23% 73%
Equipment Failure 100% 100% - 14% 11% - 49% 5% - - - - 74% 25% - 100% 100% - 98% 94% - 93% 56% -
Operation - - - 79% 87% - 51% 95% 50% - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 50% - - - - - 50% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - 7% 2% 50% - - - 100% 100% 100% - - - - - - - - - 1% 20% 27%
MAGIC(16KV) - Customers: 172 - - - 5.4 0.9 - 286.7 2.0 3.0 423.0 2.5 0.7 - - - - - - - - - 423.0 2.5 0.7
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - 97% 51% 33% 100% 100% 100% - - - - - - - - - 100% 100% 100%
Operation - - - - - - - - - - - - - - - - - - - - - - - -
Other - - - 100% 100% - - - 33% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - 3% 49% 34% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 7 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
21
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
MAMBA(16KV) - Customers: 2,148 73.5 1.0 2.1 5.8 0.0 1.2 136.0 3.4 2.0 - - 1.0 4.3 0.0 1.0 - - - 78.3 1.0 1.0 82.6 1.1 3.0
3rd Party - - - 90% 95% - 1% 1% - - - - - - - - - - 100% 96% 100% 94% 92% 33%
Equipment Failure 92% 96% - 10% 5% - 77% 74% 31% - - - 84% 22% - - - - - - - 4% 1% -
Operation 0% 0% 98% - - - - - - - - - 16% 78% - - - - 0% 4% - 1% 7% -
Other - - - - - 100% 15% 24% 15% - - 100% - - 100% - - - - - - - - 67%
Vegetation/Animal - - - - - - - - 54% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 8% 4% 2% - - - 6% 1% - - - - - - - - - - - - - - - -
MARCUS(16KV) - Customers: 1,399 136.7 1.2 1.0 150.9 0.8 1.3 12.2 0.0 - - - - 24.7 0.1 - 0.2 0.0 - 5.0 0.0 - 29.9 0.1 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 98% 96% - 96% 96% 25% 100% 100% - - - - 89% 82% - 100% 100% - - - - 74% 70% -
Operation 1% 3% 2% - - - - - - - - - - - - - - - - - - - - -
Other - - 98% 4% 4% - - - - - - - - - - - - - 100% 100% - 17% 15% -
Vegetation/Animal 1% 1% - - - 75% - - - - - - 11% 18% - - - - - - - 9% 15% -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
MAXIMUS(16KV) - Customers: 2,773 - - - - - - 20.8 0.1 - - - - 1.9 0.0 - 0.9 0.0 1.0 - - - 2.8 0.0 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - 32% 30% - - - - - - - - - 100% - - - - - 100%
Operation - - - - - - 68% 70% - - - - 100% 100% - 100% 100% - - - - 100% 100% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
MCBEAN(16KV) - Customers: 2,880 401.8 2.4 2.8 18.1 0.0 - 90.1 0.6 1.9 0.6 0.0 - 15.2 0.0 - - - - - - - 15.9 0.0 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 78% 71% 51% 13% 8% - 1% 4% - 100% 100% - 100% 100% - - - - - - - 100% 100% -
Operation - - - - - - - - - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal 22% 29% 49% - - - - - 53% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - 87% 92% - 99% 96% 47% - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 8 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
22
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
MENTRY(16KV) - Customers: 2,317 1.0 0.0 1.0 8.1 0.0 - 50.2 0.9 1.1 2.9 0.0 - 102.6 1.8 - - - - 15.3 0.0 - 120.8 1.8 -
3rd Party - - - - - - - - - - - - - - - - - - 98% 88% - 12% 2% -
Equipment Failure - - - 96% 87% - 96% 98% - - - - 98% 100% - - - - 2% 12% - 84% 97% -
Operation 100% 100% - 4% 13% - 4% 2% - 100% 100% - 2% 0% - - - - - - - 4% 1% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 100% - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
MINT CANYON(16KV) - Customers: 1,213 40.0 0.2 - - - 1.0 54.0 1.3 1.0 0.9 0.0 - - - - - - - - - - 0.9 0.0 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 98% 95% - - - - 62% 12% - - - - - - - - - - - - - - - -
Operation 2% 5% - - - - 23% 12% - - - - - - - - - - - - - - - -
Other - - - - - - - - - 100% 100% - - - - - - - - - - 100% 100% -
Vegetation/Animal - - - - - - 15% 77% 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - 100% - - - - - - - - - - - - - - - - - -
MOCCASIN(16KV) - Customers: 1,428 0.6 0.0 - 118.3 1.1 - 86.8 0.1 0.9 - - - - - - 0.4 0.0 - 294.7 2.0 1.0 295.1 2.0 1.0
3rd Party - - - 85% 93% - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - 6% 2% - 100% 100% - - - - - - - 100% 100% - - - - 0% 0% -
Operation 100% 100% - 9% 5% - - - - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - 100% 100% 100% 100% 100% 100%
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
MORRIE(16KV) - Customers: 283 - - - 58.1 0.5 2.5 283.4 2.7 3.6 5.1 0.0 - - - - 74.8 1.0 - - - - 79.9 1.0 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - 100% 100% 59% 79% 40% 17% - - - - - - 100% 100% - - - - 94% 96% -
Operation - - - - - - 2% 0% 28% 100% 100% - - - - - - - - - - 6% 4% -
Other - - - - - - 18% 37% 28% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - 41% 2% 22% 28% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 9 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
23
CircuitHistory10SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI
NEARGATE(16KV) - Customers: 1,626 366.3 1.9 1.1 94.2 3.2 1.9 342.6 2.6 2.4 17.1 0.2 2.0 3.2 0.0 1.0 113.0 0.8 0.2 274.4 1.1 0.2 407.7 2.1 3.4
3rd Party - - - - - - 26% 38% - - - - - - - 99% 99% 100% - - - 28% 37% 6%
Equipment Failure 0% 0% - 42% 54% 16% 72% 60% 18% 100% 100% 50% 100% 100% - 1% 1% - 0% 0% 100% 5% 9% 35%
Operation 2% 3% - 10% 2% - 2% 1% - - - - - - - - - - 7% 12% - 5% 6% -
Other - - - - - - - - - - - 50% - - 100% - - - 93% 88% - 62% 48% 59%
Vegetation/Animal - - 90% 49% 44% 84% - - 82% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 98% 97% 10% - - - - - - - - - - - - - - - - - - - - -
NERO(16KV) - Customers: 2,069 256.1 2.0 2.1 169.8 1.1 3.9 37.4 0.6 - - - - 6.0 0.2 - - - - 8.2 0.0 - 14.2 0.2 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 71% 73% 26% 95% 98% 75% 83% 28% - - - - 12% 2% - - - - - - - 5% 2% -
Operation 1% 4% - 0% 0% - 15% 71% - - - - 88% 98% - - - - - - - 37% 93% -
Other - - - 2% 2% - 2% 1% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 28% 24% 74% 3% 1% 25% - - - - - - - - - - - - 100% 100% - 58% 5% -
NIGHTHAWK(16KV) - Customers: 342 70.5 1.0 1.0 16.0 1.2 1.8 421.5 4.6 6.1 - - - - - 3.0 - - - 291.4 1.2 0.8 291.4 1.2 3.8
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 99% 100% - - - - 85% 74% 53% - - - - - - - - - - - - - - -
Operation 1% 0% - - - - 0% 4% 14% - - - - - - - - - - - - - - -
Other - - 100% 100% 100% 100% 15% 22% 16% - - - - - 100% - - - - - - - - 78%
Vegetation/Animal - - - - - - - - 16% - - - - - - - - - 1% 14% 100% 1% 14% 22%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - 99% 86% - 99% 86% -
ORION(16KV) - Customers: 3,153 18.2 0.2 1.0 44.7 0.3 2.0 105.4 1.2 1.0 7.5 0.1 - - - - - - 1.0 46.0 1.0 3.0 53.6 1.1 4.0
3rd Party - - - - - - 17% 16% - - - - - - - - - - - - - - - -
Equipment Failure 10% 3% 0% 54% 69% 50% - - - - - - - - - - - - - - - - - -
Operation 90% 98% - 46% 31% - 10% 8% - 100% 100% - - - - - - - 100% 100% - 100% 100% -
Other - - 100% - - 50% 73% 76% - - - - - - - - - 100% - - 67% - - 75%
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - 33% - - 25%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 10 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
24
CircuitHistory11SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI
PLACERITA(16KV) - Customers: 1,369 6.7 0.0 - 126.7 1.0 1.0 264.4 2.4 2.1 0.4 0.0 - 231.3 1.0 - - - - - - - 231.7 1.0 -
3rd Party - - - - - - 67% 9% 50% - - - 100% 100% - - - - - - - 100% 100% -
Equipment Failure 100% 100% - 100% 100% - - - - - - - - - - - - - - - - - - -
Operation - - - - - - 5% 4% - 100% 100% - - - - - - - - - - 0% 0% -
Other - - - - - - 25% 43% - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - 100% 3% 43% 50% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
POWELL(16KV) - Customers: 2,243 11.4 0.0 1.0 65.7 0.8 1.0 9.4 0.1 1.0 46.9 0.6 1.6 63.8 0.5 2.7 7.4 0.0 1.0 49.2 0.1 - 167.4 1.2 5.3
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% - 99% 99% 100% 59% 74% - - - - 94% 94% 100% 100% 100% 100% 1% 4% - 41% 42% 70%
Operation - - - - - - 36% 18% - - - - - - - - - - 99% 96% - 29% 9% -
Other - - - - - - 3% 7% - - - 67% 6% 6% - - - - - - - 2% 3% 20%
Vegetation/Animal - - 100% 1% 1% - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - 2% 1% - 100% 100% 33% - - - - - - - - - 28% 46% 10%
PYTHON(16KV) - Customers: 1,442 78.7 0.7 0.6 245.3 2.1 3.7 473.6 2.8 4.6 73.7 1.7 1.0 15.5 0.2 - 0.2 0.0 0.7 184.7 2.1 0.7 274.0 4.0 2.4
3rd Party - - - - - - 37% 49% 20% 54% 58% 30% - - - - - - - - - 15% 24% 12%
Equipment Failure 81% 86% - 75% 90% - 25% 17% 14% 46% 42% 70% - - - 100% 100% - 26% 55% 100% 30% 46% 58%
Operation 6% 2% - 16% 4% 27% 19% 8% 9% - - - 25% 5% - - - - 1% 1% - 2% 1% -
Other - - 55% 4% 3% 26% - - 29% - - - - - - - - - 73% 45% - 49% 23% -
Vegetation/Animal 14% 13% 45% 2% 3% 19% 19% 26% 28% - - - - - - - - 100% - - - - - 29%
Weather/Fire/Earthquake - - - 3% 0% 27% - - - - - - 75% 95% - - - - - - - 4% 6% -
RACER(16KV) - Customers: 722 213.6 1.1 0.4 71.5 0.4 - 31.3 0.6 3.5 - - - - - - - - - - - - - - -
3rd Party - - - 25% 61% - 18% 79% 43% - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 100% 75% 39% - - - - - - - - - - - - - - - - - - -
Operation - - - - - - 82% 21% - - - - - - - - - - - - - - - -
Other - - - - - - - - 29% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 28% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 11 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
25
CircuitHistory12SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI
RATTLER(16KV) - Customers: 3,082 17.4 0.0 - - - - 69.3 0.1 1.9 - - - - - - 11.9 0.1 1.0 - - - 11.9 0.1 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% - - - - 98% 95% - - - - - - - 100% 100% - - - - 100% 100% -
Operation - - - - - - 2% 5% - - - - - - - - - - - - - - - -
Other - - - - - - - - 50% - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - 50% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - 100% - - - - - 100%
RINER(16KV) - Customers: 1,177 6.9 0.0 0.2 7.1 0.0 - 339.6 2.2 0.3 4.8 0.0 - - - - 399.1 0.5 1.0 - - - 403.9 0.6 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - 82% 46% - - - - - - - 100% 96% 100% - - - 98% 90% 100%
Operation 100% 100% 100% 100% 100% - 9% 7% - 100% 100% - - - - 0% 4% - - - - 2% 10% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - 10% 46% 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
ROMANUS(16KV) - Customers: 2,109 23.2 0.1 - 12.3 0.8 0.2 14.0 0.1 0.0 218.2 1.6 1.3 108.4 0.8 0.2 - - - - - - 326.6 2.5 1.5
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% - - - - 74% 71% - 97% 50% 86% 88% 97% 100% - - - - - - 94% 66% 87%
Operation - - - 34% 4% - 26% 29% 100% - - - 12% 3% - - - - - - - 4% 1% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - - - - 3% 50% 14% - - - - - - - - - 2% 33% 13%
Weather/Fire/Earthquake - - - 66% 96% 100% - - - - - - - - - - - - - - - - - -
SAND CANYON(16KV) - Customers: 2,305 14.7 0.1 1.1 194.2 2.2 3.0 467.9 3.1 7.0 16.1 0.0 2.0 5.2 0.0 - - - - 14.8 0.1 - 36.0 0.2 2.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 95% 97% 4% 93% 96% 100% 29% 65% - 100% 100% - - - - - - - 8% 2% - 48% 19% -
Operation 5% 3% - 0% 0% - 2% 0% 1% - - - 50% 48% - - - - 31% 68% - 20% 51% -
Other - - 96% 6% 4% - - - 43% - - - 38% 39% - - - - - - - 5% 9% -
Vegetation/Animal - - - - - - 1% 1% 57% - - - 13% 12% - - - - - - - 2% 3% -
Weather/Fire/Earthquake - - - 1% 0% - 68% 33% - - - 100% - - - - - - 61% 31% - 25% 18% 100%
Reliability Histories for Individual Circuits Serving Santa Clarita - 12 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
26
CircuitHistory13SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI
STARFIGHTER(16KV) - Customers: 3,566 2.5 0.0 - - - - 127.2 0.7 0.3 7.6 0.1 - 5.4 0.0 - 10.1 0.1 - 215.9 3.3 2.0 239.0 3.4 2.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - - - - 100% 100% - 100% 100% - 100% 100% - 29% 21% 16% 36% 25% 16%
Operation 100% 100% - - - - 1% 4% - - - - - - - - - - 47% 37% - 43% 35% -
Other - - - - - - - - - - - - - - - - - - 5% 21% 68% 5% 20% 68%
Vegetation/Animal - - - - - - 99% 96% 100% - - - - - - - - - 18% 21% 16% 16% 20% 16%
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
TIPS(16KV) - Customers: 637 - - - - - - 295.9 2.0 1.0 - - - - - - - - - - - - - - -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - 97% 51% - - - - - - - - - - - - - - - -
Operation - - - - - - - - - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - 3% 49% 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
TOGA(16KV) - Customers: 2,118 6.4 0.1 - 410.7 1.8 2.4 244.3 3.4 1.4 - - - 21.7 0.1 - 0.4 0.0 - - - - 22.1 0.1 -
3rd Party - - - 21% 16% 71% - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% - 17% 44% 1% 39% 62% 50% - - - 75% 76% - - - - - - - 74% 74% -
Operation - - - 0% 5% - 61% 38% 50% - - - 25% 24% - - - - - - - 25% 23% -
Other - - - - - - - - - - - - - - - 100% 100% - - - - 2% 3% -
Vegetation/Animal - - - - - - - - - - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - 62% 36% 29% - - - - - - - - - - - - - - - - - -
VAL VERDE(16KV) - Customers: 128 - - - - - - 10.5 1.0 1.0 - - - - - - - - - 3.4 0.4 0.6 3.4 0.4 0.6
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - - - - - - - - - - - - - - - - 100% 100% 100% 100% 100% 100%
Operation - - - - - - 24% 1% - - - - - - - - - - - - - - - -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - - - - - 76% 99% 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 13 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
27
CircuitHistory14SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI SAIDI SAIFI MAIFI
VASQUEZ(16KV) - Customers: 2,225 34.5 0.2 0.0 67.1 0.5 - 8.5 0.0 4.0 - - - - - - 26.8 0.2 - 10.4 0.0 - 37.2 0.2 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 63% 28% - 91% 91% - - - - - - - - - - 9% 30% - 100% 100% - 35% 40% -
Operation 12% 51% 100% 9% 9% - 100% 100% - - - - - - - 20% 25% - - - - 14% 22% -
Other - - - - - - - - - - - - - - - 70% 44% - - - - 51% 38% -
Vegetation/Animal - - - - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake 25% 21% - - - - - - - - - - - - - - - - - - - - - -
WILDWOOD(16KV) - Customers: 2,182 11.0 0.0 1.0 60.3 0.1 0.0 9.6 0.0 0.9 10.3 0.0 - 24.1 0.5 - - - - - - - 34.4 0.5 -
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure - - - 71% 61% - - - - - - - 56% 24% - - - - - - - 39% 22% -
Operation 100% 100% - 29% 39% 100% 100% 100% - 100% 100% - 44% 76% - - - - - - - 61% 78% -
Other - - - - - - - - - - - - - - - - - - - - - - - -
Vegetation/Animal - - 100% - - - - - 100% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
WILEY(16KV) - Customers: 2,487 45.4 0.1 1.9 132.3 1.5 1.0 192.5 1.5 2.0 - - 1.0 - - - 0.6 0.0 - 34.8 0.1 - 35.4 0.1 1.0
3rd Party - - - - - - - - - - - - - - - - - - - - - - - -
Equipment Failure 100% 100% 49% 89% 97% 95% 100% 100% - - - - - - - 100% 100% - 98% 55% - 98% 60% -
Operation - - - 11% 3% 5% - - 48% - - - - - - - - - 2% 45% - 2% 40% -
Other - - - - - - - - - - - 100% - - - - - - - - - - - 100%
Vegetation/Animal - - 51% - - - - - 52% - - - - - - - - - - - - - - -
Weather/Fire/Earthquake - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - -
Reliability Histories for Individual Circuits Serving Santa Clarita - 14 of 14
2014 2015 2016 1st Qtr 2017 2nd Qtr 2017 3rd Qtr 2017 4th Qtr 2017 2017
28