New Zealand Gazette – 2003 – No. 74

Page 1965

✨ Electricity Performance Statistics



27 JUNE

NEW ZEALAND GAZETTE

1965

2002 2001 2000 1999
1 Financial performance measures
(a) Return on funds 9.49% 8.56% 4.64%
(b) Return on equity 6.69% 5.74% 2.22%
(c) Return on investment 7.93% -0.33% 3.19%

1 Energy Delivery efficiency performance measures:

| (a) | Load factor (a/bc100) |
|------|--------------------------------|--------|--------|--------|--------|
| | a = kWh of electricity entering system | 197,992,332 | 201,936,757 | 196,169,073 | 197,508,153 |
| | b = Maximum demand | 35,650 | 34,776 | 34,174 | 33,906 |
| | c = Total number of hours in year | 8,760 | 8,760 | 8,784 | 8,760 |
| | | 63.4% | 66.3% | 65.3% | 66.5% |

| (b) | Loss ratio (a/b*100) |
|------|--------------------------------|--------|--------|--------|--------|
| | a = losses in electricity in kWh | 11,102,063 | 11,421,041 | 10,735,185 | 11,850,489 |
| | b = kWh of electricity entering system | 197,992,332 | 201,936,757 | 196,169,073 | 197,508,153 |
| | | 5.6% | 5.7% | 5.5% | 6.0% |

| (c) | Capacity utilisation (a/b*100) |
|------|--------------------------------|--------|--------|--------|--------|
| | a = Maximum demand | 35,650 | 34,776 | 34,174 | 33,906 |
| | b = Transformer Capacity | 104,363 | 107,127 | 99,705 | 97,483 |
| | | 34% | 32% | 34% | 35% |

2 Statistics

(c) System Length - Underground
Circuit Kilometres 66kV
Circuit Kilometres 33kV
Circuit Kilometres 11kV
Circuit Kilometres 230/400V
Total Underground

| (f) | Total electricity supplied from the system before losses (in Kilowatt Hours) | 197,992,332 | 201,936,757 | 196,169,073 | 197,508,153 |

| (g) | Electricity conveyed for each retailer after losses |
|------|-------------------------------------------------------|------------|------------|------------|------------|
| | Retailer 1 | 397,192 | 952,328 | 644,216 | 511,744 |
| | Retailer 2 | 2,729,400 | 2,363,401 | 2,960,016 | |
| | Retailer 3 | 8,734,611 | 7,110,756 | 6,765,144 | 7,119,084 |
| | Retailer 4 | 20,382,630 | 20,261,024 | 14,542,545 | |
| | Retailer 5 | 6,663,199 | 7,243,965 | 7,321,102 | 19,204,371 |
| | Retailer 6 | 145,983,237| 152,584,243| 153,200,865|
| | Retailer 7 | - | - | - | 158,822,454|
| | Total | 186,890,269| 190,515,716| 185,433,888| 185,657,664|

19 The CAIDI for the total number of interruptions within each interruption class

Class Interruption Type 2002 2001 2000 1999
A Planned - by Transpower 177 450 33 0
B Planned - by Line Owners 210 166 207 225
C Unplanned - by Line Owners 76 75 97 71
D Unplanned - by Transpower 269 0 0 42
E Unplanned - by ECNZ 0 0 0 0
F Unplanned - by other generation 0 0 29 0
G Any other loss of supply 0 0 0 0
Total 100 93 119 114


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2003, No 74


Gazette.govt.nz — PDF NZ Gazette 2003, No 74




✨ LLM interpretation of page content

🌾 Certification of Financial Statements and Performance Measures for Westpower Limited (continued from previous page)

🌾 Primary Industries & Resources
5 December 2002
Electricity, Financial performance, Efficiency measures, Statistics, Westpower