✨ Electricity Industry Statistics




9 AUGUST

NEW ZEALAND GAZETTE

2219

Regulation 16

i. Total number of interruptions and breakdowns by interruption class

Class Type of interruption 1996 No 1995 No
A Planned - Trans Power 0 0
B Planned - Wairarapa Electricity Limited 174 201
C Unplanned - Wairarapa Electricity Limited 214 427
D Unplanned - Trans Power 6 3
E Unplanned - ECNZ 0 0
F Unplanned - Other 0 0
G Any other interruption 0 0
TOTAL 394 631
All companies average 1995 470

ii. Number of faults per 100 circuit kms

Line voltage Total Underground Overhead
1996 1995 1996 1995 1996 1995
------------- ------------ ------------- ------------
100kV 0.0 0.0 0.0 0.0 0.0 0.0
66kV 0.0 0.0 0.0 0.0 0.0 0.0
33kV 1.7 5.8 0.0 0.0 1.8 5.8
11kV 13.6 27.1 5.7 2.9 13.8 27.2
6.6kV 0.0 0.0 0.0 0.0 0.0 0.0
3.3kV 29.4 58.8 0.0 0.0 29.4 58.8
------------- ------------ ------------- ------------
Total 12.6 24.7 5.5 2.79 12.6 25.1
All companies average 1995 14.1 9.0 16.8

iii. Breakdown of statistics by interruption class

Class Type of Interruption SAIDI (Minutes) SAIFI (Interruptions) CAIDI (Minutes)
1996 1995 1996 1995 1996 1995
------- --------------------------------------------- ------------------ ----------------------- -----------------
A Planned - Trans Power 0.0 0.0 0.0 0.0 0.0 0.0
B Planned - Wairarapa Electricity Limited 77.72 105.5 0.67 0.76 116.90 138.8
C Unplanned - Wairarapa Electricity Limited 107.25 160.3 1.36 1.92 78.68 83.5
D Unplanned - Trans Power 8.92 11.2 1.0 0.57 8.88 19.6
E Unplanned - ECNZ 0.0 0.0 0.0 0.0 0.0 0.0
F Unplanned - Other 0.0 0.0 0.0 0.0 0.0 0.0
G Any other interruption 0.0 0.0 0.0 0.0 0.0 0.0
------- --------------------------------------------- ------------------ ----------------------- -----------------
Total All Interruptions 193.89 276.9 3.03 3.25 63.94 85.2
All companies average 1995 277.9 3.9 72.3


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🏭 Wairarapa Electricity Limited and Subsidiary Companies Performance Measures and Statistics (continued from previous page)

🏭 Trade, Customs & Industry
Performance Measures, Statistics, Electricity Industry, Wairarapa