23 SEPTEMBER NEW ZEALAND GAZETTE 3651

| | average | |
| | target | actual |
| | 2004-08 | 2004 | 2003 | 2002 | 2001 | 2000 |

6. Faults (Class C) per 100 kilometres underground faults/100 km

• 33 kV - - - - -
• 11kV - - - 4.3
• Total - - - 4.2

7. Faults (Class C) per 100 km overhead faults/100 km

• 33 kV 1.1 3.9 3.9 0.8
• 11kV 7.5 13.6 14.6 5.8
• 6.6kV 1.1 - - 2.0
• Total 6.2 12.2 13.1 5.2

8. SAIDI - total customer minutes 200.5 208.2 177.7 171.6

9.-11. SAIDI per interruption class customer minutes

(a) Class A - Transpower Planned - 67.8 37.7 57.4 69.1
Class B - Line Owner Planned 55.6 57.3
(b) Class C - Line Owner Unplanned 113.6 117.3 124.8 147.2 120.4 102.5
Class D - Transpower Unplanned 8.0 23.3 - -
Class E - ECNZ Unplanned - - - -
Class F - Other Generation - - - -
Class G - Other Line Owner Unplanned - - - -
Class H - Other Line Owner Planned - - - -
Class I - Other - - - -

12. SAIFI - total interruptions 2.6 2.8 2.2 1.5

13.-15. SAIFI per interruption class customer minutes

(a) Class A - Transpower Planned 0.3 0.3 0.3 0.2 0.4 0.3
(b) Class B - Line Owner Planned
Class C - Line Owner Unplanned 1.6 1.6 2.0 1.6 1.8 1.2
Class D - Transpower Unplanned 0.3 1.0 - -
Class E - ECNZ Unplanned - - - -
Class F - Other Generation - - - -
Class G - Other Line Owner Unplanned - - - -
Class H - Other Line Owner Planned - - - -
Class I - Other - - - -

16. CAIDI - customer minutes 76.6 73.6 82.2 113.6

17.-19. CAIDI per interruption class customer minutes

Class A - Transpower Planned                                            -       -       -       -
Class B - Line Owner Planned                                174.4       174.4       229.2       158.4       163.6       227.7
Class C - Line Owner Unplanned                              73.1        73.1        61.0        90.9        66.5        84.9
Class D - Transpower Unplanned                                          28.8        24.0        -       -
Class E - ECNZ Unplanned                                        -       -       -       -
Class F - Other Generation                                      -       -       -       -
Class G - Other Line Owner Unplanned                                    -       -       -       -
Class H - Other Line Owner Planned                                  -       -       -       -
Class I - Other                                         -       -       -       -

In these pages * denotes data which is, or is based on, an estimate. The methodology by which the estimate is calculated is publicly available.

In these pages † denotes data which is calculated as a weighted average of MLL and OtagoNet data. Ratios given are also based on this data. The calculations for the averages are publicly available. Actual combined values as at 31 March 2003 are also shown for ongoing comparison.