✨ Electricity Performance Measures




16 SEPTEMBER

NEW ZEALAND GAZETTE

TASMAN ENERGY

STATEMENT OF PERFORMANCE MEASURES

THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

FOR THE YEAR ENDING 31 MARCH 1998

1998 1997 1996 1995
c. Underground Cable Length
33 kV system 3 3 3 3
11 kV system 102 100 97 98
6.6 kV system 1 1 1 2
400 V system 313 301 292 281
Total Kilometres 419 405 393 383

| Transformer Capacity (kVA) | 296,476 | 277,849 | 256,279 | 236,185 |
| Maximum Demand (kW) | 111,370 | 106,804 | 109,597 | 102,745 |
| Total Electricity Supplied (kWh) | 580,688,970 | 566,924,039 | 554,962,010 | 538,132,943 |
| Electricity Conveyed for Others (kWh) | 158,085,189 | 157,340,504 | 155,471,693 | 135,441,303 |
| Total Customers | 29,272 | 28,982 | 28,806 | 27,960 |

5. RELIABILITY PERFORMANCE MEASURES TO BE DISCLOSED BY LINE OWNERS

Total number of Interruptions
Class A TransPower Planned 0 0 3 3
Class B Line Owner Planned 182 161 129 49
Class C Line Owner Unplanned 140 115 121 88
Class D TransPower Unplanned 6 1 6 9
Class E Unplanned ECNZ 0 0 0 0
Class F Unplanned Other Generator 0 0 0 0
Class G Other 0 0 0 0
Total 328 277 259 149

| Number of faults per 100km of prescribed voltage line | 6.71 | 5.48 | 5.81 | 4.27 |

| Number of faults per 100km of prescribed voltage underground line |
| 33 kV system | 0 | 0 | 0 | 0 |
| 11 kV system | 5.88 | 5.02 | 4.14 | 4.03 |
| 6.6 kV system | 0 | 0 | 0 | 0 |
| Total | 5.66 | 4.83 | 3.98 | 3.92 |

| Number of faults per 100km of prescribed voltage overhead line |
| 33 kV system | 2.48 | 2.48 | 0.83 | 0 |
| 11 kV system | 7.06 | 5.75 | 6.34 | 4.54 |
| 6.6 kV system | 6.06 | 3.03 | 0 | 0 |
| Total | 6.77 | 5.51 | 5.9 | 4.28 |



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🏭 Tasman Energy Limited Performance Measures (continued from previous page)

🏭 Trade, Customs & Industry
Electricity, Performance Measures, Underground Cable, Transformer Capacity, Reliability, Interruptions, Faults