β¨ Energy Efficiency Statistics
MAINPOWER NEW ZEALAND LIMITED
Disclosure of Energy Delivered Efficiency Performance Measures and Statistics
Pursuant To The Commerce Act
(Electricity Information Disclosure Requirements) Notice 2004, Requirement 20, Part 4
For the Year Ended 31 March
| 2007 | 2006 | 2005 | 2004 |
|---|
1. Energy Delivery Efficiency Performance Measures
(a) Load Factor
Electrical energy entering the distribution system
Maximum demand * Hours per year
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| 66.24% | 69.65% | 70.84% | 69.69% |
(b) Loss Ratio
Distribution losses
Energy entering the system
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| 5.11% | 5.11% | 5.45% | 4.56% |
(c) Capacity Utilisation
Maximum demand
Total transformer capacity
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| 23.50% | 22.36% | 22.82% | 24.02% |
2. Statistics
(a) System length, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 2007 | |
| ----------------- | ------ |
| 400/230 | 861 |
| 11000/22000 | 3,307 |
| 33000 | 309 |
| Total | 4,477 |
(b) Circuit length of overhead electric lines, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 2007 | |
| ----------------- | ------ |
| 400/230 | 242 |
| 11000 | 3,144 |
| 33000 | 306 |
| Total | 3,692 |
(c) Circuit length of underground electric lines, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 2007 | |
| ----------------- | ------ |
| 400/230 | 619 |
| 11000 | 163 |
| 33000 | 3 |
| Total | 785 |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2008, No 38
Gazette.govt.nz —
NZ Gazette 2008, No 38
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Financial Statements for MainPower New Zealand Limited
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π Trade, Customs & IndustryFinancial Statements, Commerce Act, Electricity Information Disclosure, MainPower New Zealand Limited