β¨ Power Company Performance Measures
THE POWER COMPANY LIMITED LINE BUSINESS
ENERGY EFFICIENCY PERFORMANCE MEASURES
AND STATISTICS
PURSUANT TO REQUIREMENT 20 OF THE ELECTRICITY INFORMATION DISCLOSURE REQUIREMENTS 2004, SCHEDULE 1 PART 4
ENERGY DELIVERY EFFICIENCY PERFORMANCE MEASURES YEARS ENDING 31 MARCH 2001, 2002, 2003 AND 2004
| 2004 | 2003 | 2002 | 2001 | |
|---|---|---|---|---|
| Load Factor (Percentage of electrical energy entering the transmission system over maximum demand times hours per year.) | 67.9% | 68.2% | 60.7% | 66.5% |
| Loss Ratio (Transmission losses over energy entering the system) | 8.4% | 9.1% | 10.1% | 11.1% |
| Capacity Utilisation (Maximum demand over total transformer capacity) | 34.5% | 35.9% | 38.4% | 34.8% |
The loss ratio is derived from electricity supplied information provided by other parties. The Power Company Limited is unable to audit this information and is not confident with its accuracy and considers the figure is overstated.
STATISTICS
| System Length (km's) | 66kV | 33kV | 11kV | 400V | Total |
|---|---|---|---|---|---|
| 2000/01 | 263 | 541 | 5,707 | 989 | 7,500 |
| 2001/02 | 342 | 499 | 5,714 | 985 | 7,540 |
| 2002/03 | 349 | 489 | 5,724 | 1,005 | 7,567 |
| 2003/04 | 357 | 476 | 6,654 | 985 | 8,472 |
| Overhead Lines (km's) | 66kV | 33kV | 11kV | 400V | Total |
|---|---|---|---|---|---|
| 2000/01 | 263 | 539 | 5,658 | 886 | 7,346 |
| 2001/02 | 342 | 497 | 5,661 | 879 | 7,379 |
| 2002/03 | 349 | 486 | 5,669 | 876 | 7,380 |
| 2003/04 | 357 | 472 | 6,569 | 865 | 8,263 |
| Underground Cables (km's) | 66kV | 33kV | 11kV | 400V | Total |
|---|---|---|---|---|---|
| 2000/01 | - | 2 | 49 | 104 | 155 |
| 2001/02 | - | 2 | 53 | 106 | 161 |
| 2002/03 | - | 3 | 55 | 129 | 187 |
| 2003/04 | - | 4 | 85 | 120 | 209 |
| TX Capacity | Maximum Demand | Electricity Supplied | Electricity Conveyed | Total Customers | |
|---|---|---|---|---|---|
| 2000/01 | 291,963 | 101,631 | 591,686,187 | 525,979,285 | 31,005 |
| 2001/02 | 298,004 | 114,322 | 608,062,700 | 546,387,820 | 31,800 |
| 2002/03 | 308,761 | 110,963 | 662,476,687 | 602,095,219 | 31,944 |
| 2003/04 | 320,740 | 110,520 | 657,269,620 | 601,929,800 | 31,875 |
| Retailer | KWh (2003/04) | KWh (2002/03) | KWh (2001/02) | KWh (2000/01) |
|---|---|---|---|---|
| Retailer A | - | - | 8,861,505 | 15,724,675 |
| Retailer B | 12,742,402 | 21,740,841 | 25,163,920 | 18,101,969 |
| Retailer C | 341,002,613 | 337,448,503 | 311,274,343 | 334,899,374 |
| Retailer D | 188,904,810 | 166,448,292 | 77,128,323 | 24,404,807 |
| Retailer E | 13,139,523 | 24,589,531 | 75,935,636 | 103,216,972 |
| Retailer F | 21,482,377 | 26,999,250 | 24,739,800 | 12,969,034 |
| Electricity Invercargill Limited | 24,658,075 | 24,868,802 | 23,284,293 | 16,662,454 |
| Total | 601,929,800 | 602,095,219 | 546,387,820 | 525,979,285 |
*The Electricity Supplied details are provided by other parties. The Power Company Limited is unable to audit this information and is not confident with its accuracy.
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2005, No 16
Gazette.govt.nz —
NZ Gazette 2005, No 16
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