New Zealand Gazette – 2006 – No. 156

Page 4563

✨ Electricity Performance Statistics



29 NOVEMBER 2006

NEW ZEALAND GAZETTE, No. 156

(c) System length – underground

Circuit kilometres 2006 2005 2004 2003
66 kV 0.3 N/A N/A N/A
33 kV 90 89 88 88
11 kV 407 363 320 269
6.6 kV 234 232 235 232
400 V 593 540 487 439
600 V DC 3 3 3 3
Total Underground 1,327 1,228 1,133 1,031

(d) Transformer capacity (kVA)

| | 799,866 | 779,835 | 758,211 | 740,166 |

(e) Maximum demand (kW)

| | 268,976 | 266,859 | 246,190 | 271,850 |

(f) Total electricity supplied before losses from the system (kWh)

| | 1,347,469,425 | 1,344,545,511 | 1,269,877,041 | 1,300,088,384 |

(g) Electricity conveyed after losses for each party (kWh)

| Party 1 | 593,893,724 | 579,997,179 | 559,134,598 | 549,017,685 |
| Party 2 | 363,120,171 | 386,155,577 | 372,571,922 | 404,561,670 |
| Party 3 | 235,195,791 | 223,113,337 | 214,527,945 | 198,173,212 |
| Party 4 | 26,362,592 | 33,675,391 | 15,450,111 | 6,669,136 |
| Party 5 | 20,955,620 | 20,743,856 | 20,742,113 | 28,311,598 |
| Party 6 | 26,253,429 | 16,588,984 | 4,623,330 | 29,942,765 |
| Party 7 | 2,774,737 | 1,998,497 | 2,302,073 | 2,619,514 |
| Party 8 | 708,772 | 321,934 | 36,594 | - |
| Party 9 | - | - | - | 9,072 |

(h) Total consumers

| | 76,400 | 75,117 | 73,972 | 72,794 |

Disclosure of reliability performance measures under requirement 21 of the Electricity Information Disclosure Requirements 2004

1 Total number of interruptions

Class 2006 2005 2004 2003
Class A – planned by Transpower 0 0 0 0
Class B – planned by line owners 258 269 293 341
Class C – unplanned by line owners 492 445 453 464
Class D – unplanned by Transpower 1 0 1 3
Class E – unplanned by embedded generation 0 0 0 0
Class F – unplanned by generation on other networks 0 0 0 1
Class G – unplanned by other line owner 0 0 0 0
Class H – planned by another line owner 0 0 0 0
Class I – any other loss of supply 0 0 0 0

2 No of interruption targets for next financial year

Class 2006 2005 2004 2003
Class B – planned by line owners 300 300 300 250
Class C – unplanned by line owners 480 450 450 430

3 Average no of interruption targets for next 5 years

Class 2006 2005 2004 2003
Class B – planned by line owners 280 280 280 230
Class C – unplanned by line owners 470 440 420 390

4 Proportion of Class C interruptions not restored within

Time 2006 2005 2004 2003
3 hours 13.20% 16.63% 16.56% 13.7%
24 hours 0.0% 0.0% 0.9% 0.2%


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2006, No 156


Gazette.govt.nz — PDF NZ Gazette 2006, No 156




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🏭 Electricity Performance Measures (continued from previous page)

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Financial Performance, Efficiency Performance, Energy Delivery, Electricity Information Disclosure Requirements