β¨ Electricity Efficiency Measures
29 FEBRUARY 2008
NEW ZEALAND GAZETTE, No. 44
1287
ELECTRICITY INVERCARGILL LIMITED LINE BUSINESS
ENERGY EFFICIENCY PERFORMANCE MEASURES
PURSUANT TO REQUIREMENT 20 OF THE ELECTRICITY INFORMATION DISCLOSURE REQUIREMENTS 2004, SCHEDULE 1 PART 4
Energy Delivery Efficiency Performance Measures Years Ending 31 March 2004, 2005, 2006 and 2007
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| Load Factor (Percentage of electrical energy entering the transmission system over maximum demand times hours per year.) | 51.5% | 54.7% | 53.4% | 52.6% |
| Loss Ratio (Transmission losses over energy entering the system) | 2.5% | 6.3% | 7.4% | 8.3% |
| Capacity Utilisation (Maximum demand over total transformer capacity) | 43.7% | 40.2% | 42.0% | 42.3% |
The loss ratio is derived from electricity supplied information provided by other parties. Electricity Invercargill Limited is unable to audit this information and is not confident with its accuracy and estimates the losses at 4.0%.
Statistics
| 66kV | 33kV | 22kV | 11kV | 6.6kV | 400V | Total | ||
|---|---|---|---|---|---|---|---|---|
| 2003/04 | - | 25 | - | 199 | - | 452 | 676 | |
| System Length | 2004/05 | - | 26 | - | 199 | - | 454 | 679 |
| (km's) | 2005/06 | - | 26 | - | 197 | - | 458 | 681 |
| 2006/07 | - | 26 | - | 195 | - | 458 | 679 | |
| 2003/04 | - | 1.0 | - | 36 | - | 55 | 92 | |
| Overhead Lines | 2004/05 | - | 1.4 | - | 35 | - | 52 | 88 |
| (km's) | 2005/06 | - | 1.5 | - | 35 | - | 52 | 89 |
| 2006/07 | - | 1.4 | - | 31 | - | 43 | 75 | |
| 2003/04 | - | 24 | - | 163 | - | 397 | 584 | |
| Underground | 2004/05 | - | 25 | - | 164 | - | 402 | 591 |
| Cables (km's) | 2005/06 | - | 25 | - | 162 | - | 406 | 593 |
| 2006/07 | - | 25 | - | 164 | - | 415 | 604 |
| TX Capacity | Maximum Demand | Electricity Supplied | Electricity Conveyed | Total Customers | |
|---|---|---|---|---|---|
| 2003/04 | 142,125 | 60,070 | 276,531,554 | 253,538,024 | 16,922 |
| 2004/05 | 144,415 | 60,611 | 283,589,781 | 262,530,504 | 16,842 |
| 2005/06 | 143,965 | 57,859 | 277,102,120 | 259,605,081 | 16,889 |
| 2006/07 | 145,710 | 63,698 | 287,636,689 | 280,380,836 | 16,943 |
Electricity Conveyed for Retailers and The Power Company Limited
| 2007 kWh | 2006 kWh | 2005 kWh | 2004 kWh | |
|---|---|---|---|---|
| Retailer A | 208,678,578 | 198,128,442 | 200,772,249 | 191,835,995 |
| Retailer B | 4,271,604 | 3,932,034 | 3,458,864 | 3,744,172 |
| Retailer C | 46,148,996 | 37,574,979 | 38,832,367 | 39,099,074 |
| Retailer D | 2,333,831 | 1,284,272 | 1,031,124 | 1,066,856 |
| The Power Company Limited OCB46 | 7,095,330 | 6,408,904 | 6,559,573 | 6,196,189 |
| Retailer E | - | - | - | - |
| Retailer F | 11,852,497 | 12,276,451 | 11,876,327 | 11,595,738 |
| TOTAL | 280,380,836 | 259,605,081 | 262,530,504 | 253,538,024 |
The Electricity Conveyed details are provided by other parties. Electricity Invercargill 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 2008, No 44
Gazette.govt.nz —
NZ Gazette 2008, No 44
β¨ LLM interpretation of page content
ποΈ
Electricity Invercargill Limited Energy Efficiency Performance Measures
(continued from previous page)
ποΈ Infrastructure & Public WorksEnergy Efficiency, Load Factor, Loss Ratio, Capacity Utilisation, System Length, Overhead Lines, Underground Cables, Electricity Conveyed