β¨ Energy Efficiency Performance Measures
3708 NEW ZEALAND GAZETTE No. 155
MAINPOWER NEW ZEALAND LTD
DISCLOSURE OF ENERGY EFFICIENCY PERFORMANCE MEASURES AND STATISTICS PURSUANT TO REGULATION 15 AND PART III OF THE FIRST SCHEDULE OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994
For The Year Ended 31 March 1998
Disclosure of Energy Efficiency Performance Measures and Statistics
- Energy Delivery Efficiency Performance Measures
| 1998 | 1997 | 1996 | 1995 | |
|---|---|---|---|---|
| Load Factor | ||||
| Electrical energy entering the distribution system | ||||
| Maximum demand * Hours per year | 63.52% | 59.93% | 65.31% | 62.28% |
| Loss Ratio | ||||
| Distribution losses | ||||
| Energy entering the system | 5.32% | 5.69% | 5.77% | 5.25% |
| Capacity Utilisation | ||||
| Maximum demand | ||||
| Total transformer capacity | 30.84% | 31.43% | 30.56% | 31.00% |
- Statistics
(a) System length, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 1998 | |
| -------- | -------- |
| 400/230 | 614 |
| 11000 | 3,125 |
| 33000 | 244 |
| Total | 3,983 |
(b) Circuit length of overhead electric lines, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 1998 | |
| -------- | -------- |
| 400/230 | 407 |
| 11000 | 3,043 |
| 33000 | 242 |
| Total | 3,692 |
(c) Circuit length of underground electric lines, by voltage:
| Voltage | Circuit Length Kms |
|---|---|
| 1998 | |
| -------- | ------- |
| 400/230 | 207 |
| 11000 | 82 |
| 33000 | 2 |
| Total | 291 |
(d) Transformer capacity, (kilovolt amperes):
208420 kVA ... 202362 kVA ... 202585 kVA ... 196410 kVA
(e) Maximum demand (Megawatts):
64.278 MW ... 64.227 MW ... 61.906 MW ... 60.880 MW
(f) Total electricity supplied from the system, (Kilowatt hours):
357,657,305 ... 337,180,625 ... 354,147,550 ... 332,121,977
(g) Total electricity conveyed through the system, on behalf of others (Kilowatt hours):
243,500 ... 93,000 ... Nil ... Nil
(h) Total customers
24,786 ... 23,486 ... 23,701 ... 22,362
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NZ Gazette 1998, No 155
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NZ Gazette 1998, No 155
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