β¨ Energy Efficiency Performance Measures
NEW ZEALAND GAZETTE
10 SEPTEMBER
2765
THE POWER COMPANY LIMITED
ENERGY EFFICIENCY PERFORMANCE MEASURES AND STATISTICS (LINE BUSINESS)
PURSUANT TO THE
ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1999
16.0 ENERGY DELIVERY EFFICIENCY PERFORMANCE MEASURES
YEARS ENDING 31 MARCH 1996, 1997, 1998 AND 1999
| 1999 | 1998 | 1997 | 1996 | |
|---|---|---|---|---|
| (e) Load Factor (Percentage of electrical energy entering the transmission system over maximum demand times hours per year.) | 65% | 64% | 63% | 62% |
| (f) Loss Ratio (Transmission losses over energy entering the system) | 8.4% | 9.4% | 8.8% | 10.8% |
| (g) Capacity Utilisation (Maximum demand over total transformer capacity) | 35% | 37% | 38% | 40% |
17.0 STATISTICS
System Length
| 66kV | 33kV | 11kV | 400V | Total | |
|---|---|---|---|---|---|
| 1995/96 | 239 | 469 | 6438 | 1108 | 8254 |
| 1996/97 | 246 | 463 | 6443 | 1111 | 8263 |
| 1997/98 | 252 | 457 | 6447 | 1115 | 8271 |
| 1998/99 | 252 | 480 | 6078 | 1051 | 7861 |
Overhead Lines
| 66kV | 33kV | 11kV | 400V | Total | |
|---|---|---|---|---|---|
| 1995/96 | 239 | 468 | 6397 | 1012 | 8116 |
| 1996/97 | 246 | 462 | 6401 | 1013 | 8122 |
| 1997/98 | 252 | 456 | 6404 | 1014 | 8126 |
| 1998/99 | 252 | 479 | 6032 | 949 | 7712 |
Underground Cables
| 66kV | 33kV | 11kV | 400V | Total | |
|---|---|---|---|---|---|
| 1995/96 | 0 | 1 | 41 | 96 | 138 |
| 1996/97 | 0 | 1 | 42 | 98 | 141 |
| 1997/98 | 0 | 1 | 43 | 101 | 145 |
| 1998/99 | 0 | 1 | 45 | 102 | 148 |
| TX Capacity | Maximum Demand | Electricity Supplied | Electricity Conveyed | Total Customers | |
|---|---|---|---|---|---|
| 1995/96 | 260,772 | 99,205 | 477,237,204 | 19,641,908 | 32,223 |
| 1996/97 | 269,879 | 99,402 | 502,652,199 | 72,661,938 | 30,155 |
| 1997/98 | 280,649 | 100,520 | 512,307,503 | 35,964,760 | 30,212 |
| 1998/99 | 283,332 | 98,076 | 511,952,648 | 491,438,251 | 30,204 |
| Retailer | KWh (1998/99) |
|---|---|
| United Electricity | 407,284,491 |
| Mercury Energy | 69,511,496 |
| Power New Zealand | 7,383,289 |
| PowerCo | 236,382 |
| Southpower | 4,955,408 |
| TransAlta NZ | 1,072,878 |
| TrustPower | 994,307 |
| Total | 491,438,251 |
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VUW Te Waharoa —
NZ Gazette 1999, No 115
NZLII —
NZ Gazette 1999, No 115
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π
Financial and Efficiency Performance Measures for The Power Company Limited
(continued from previous page)
π Trade, Customs & IndustryFinancial Measures, Efficiency Performance, Return on Funds, Return on Equity, Return on Investment, Direct Line Costs, Indirect Line Costs, Electricity, Renewal Accounting Methodology