Electricity Asset Management Plan 2019-2029
268
Vector Limited://
36 37
Asset condition at start of planning period (percentage of units by grade)
% of asset forecast to be replaced in next 5 years
Units
H1
H2
H3
H4
Voltage Asset category
H5
Grade unknown Data accuracy (1–4)
Asset class
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
HV HV HV HV HV HV HV HV HV HV HV HV HV HV HV HV LV LV LV LV All All All All All All
Zone Substation Transformer
Zone Substation Transformers
No. km km km km km km No. No. No. No. No. No. No. No. No. km km km No. No. Lot No. Lot No. km
- -
8.80%
44.91% 80.41%
24.54% 13.92%
21.76%
4 3
5.09% 2.76%
Distribution Line Distribution Line Distribution Line Distribution Cable Distribution Cable Distribution Cable
Distribution OH Open Wire Conductor Distribution OH Aerial Cable Conductor
-
5.67%
N/A N/A
SWER conductor
Distribution UG XLPE or PVC
- - -
0.85% 1.53%
1.26% 2.20%
14.42% 70.13% 13.89% 71.88% 18.92% 17.28% 19.07% 25.98% 27.76% 10.00% 10.95% 8.85%
83.47% 26.14%
2 2 2 4 4 4 3 3 3 3 4 4 3 2 1 1 3 4 3 4
0.84% 1.53%
Distribution UG PILC
Distribution Submarine Cable
- - -
86.11%
-
-
Distribution switchgear Distribution switchgear Distribution switchgear Distribution switchgear Distribution switchgear Distribution Transformer Distribution Transformer Distribution Transformer Distribution Substations
3.3/6.6/11/22kV CB (pole mounted) - reclosers and sectionalisers
0.39%
8.20%
19.53% 74.23% 29.21% 28.33% 22.42% 31.77% 90.00% 4.60%
11.36%
3.3/6.6/11/22kV CB (Indoor)
-
16.92% 47.72% 76.12% 49.57% 49.03% 33.70% 76.93% 85.77% 21.77%
-
3.3/6.6/11/22kV Switches and fuses (pole mounted) 3.3/6.6/11/22kV Switch (ground mounted) - except RMU
2.16% 1.42% 1.56% 1.31% 5.22%
1.99% 0.59% 1.48% 1.26% 1.55%
9.13% 8.02% 3.93% 8.13% 6.76% 2.65% 0.23% 3.00% 0.08%
3.3/6.6/11/22kV RMU
Pole Mounted Transformer Ground Mounted Transformer
Voltage regulators
-
-
-
-
Ground Mounted Substation Housing
1.97%
0.68%
9.47% 5.40%
LV Line
LV OH Conductor
-
-
8.83%
LV Cable
LV UG Cable
0.50%
2.51%
39.84%
35.39%
LV Streetlighting
LV OH/UG Streetlight circuit
100.00% 100.00%
Connections Protection
OH/UG consumer service connections
-
Protection relays (electromechanical, solid state and numeric) SCADA and communications equipment operating as a single system
- - - -
2.13% 5.71%
53.78% 35.74% 76.92% 100.00%
28.99% 23.42% 16.67%
15.10% 35.14%
2.13% 5.71%
SCADA and communications
Capacitor Banks
Capacitors including controls
- -
6.41%
- -
Load Control Load Control
Centralised plant
-
-
Relays
N/A
Civils
Cable Tunnels
-
-
8.62%
-
91.38%
4
-
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