Electricity Performance Measures




NEW ZEALAND GAZETTE

No. 92

TAURANGA ELECTRICITY LIMITED

RELIABILITY PERFORMANCE MEASURES TO BE DISCLOSED BY LINE OWNERS

The following performance ratios are for the whole of the company’s customer base. A significant number of our customers are connected into TrustPower Limited’s network and this affects the company’s overall performance ratios.

Reliability Performance Measures pursuant to Regulation 16 and Part IV of the First Schedule to the Electricity [Information Disclosure] Regulations 1994, are:

1997 1996 1995
1. Reliability performance measures
Class A 0 0 1
Class B 9 2 13
Class C 6 12 4
Class D 1 1 0
Class E 0 0 0
Class F 3 2 0
Class G 0 0 0
Total 19 17 18

| 2. Total number of faults per 100 circuit kilometres prescribed voltage electric lines | 15.51 | 18.71 | 6.72 |

| 3. Total number of faults per 100 kilometres of underground prescribed voltage electric lines | | | |
| 33kV | 21.62 | 0.00 | 0.00 |
| 11kV | 11.10 | 26.82 | 2.49 |
| Total | 12.89 | 22.23 | 2.03 |

| 4. Total number of faults per 100 circuit kilometres of overhead prescribed voltage electric lines | | | |
| 33kV | 23.53 | 0.00 | 25.53 |
| 11kV | 60.24 | 0.00 | 60.24 |
| Total | 29.52 | 0.00 | 29.52 |

| 5. The SAIDI for total of interruptions | 179.07 | 48.52 | 8.03 |

| 6. The SAIDI for total of interruptions within each interruption class: | | | |
| Class A | 0.00 | 0.00 | 0.00 |
| Class B | 1.98 | 2.76 | 2.23 |
| Class C | 51.28 | 27.30 | 5.80 |
| Class D | 69.19 | 13.47 | 0.00 |
| Class E | 0.00 | 0.00 | 0.00 |
| Class F | 56.62 | 4.99 | 0.00 |
| Class G | 0.00 | 0.00 | 0.00 |

| 7. The SAIFI for total of interruptions | 2.83 | 0.74 | 0.09 |



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