✨ System Reliability Report




NEW ZEALAND GAZETTE

No. 95


WESTPOWER LIMITED

SYSTEM RELIABILITY FOR 1994.95

Disclosure by line owners of reliability performance measures as required by Regulation 16 of the Electricity (Information Disclosure) Regulations 1994
Information applies from 1-Apr-94 to 31-Mar-95

Part IV 1. of the first schedule

Interruption class Number
A. Planned Trans Power 0
B. Planned Westpower 98
C. Unplanned Westpower 220
D. Unplanned Trans Power 10
E. Unplanned ECNZ generation 0
F. Unplanned Westpower generation 8
G. Other interruptions 0
Total interruptions 336

Part IV 2. 3. and 4. of the first schedule

Calculation of Frequencies of Line and Cable Faults

Nominal Voltage OVERHEAD LINES UNDERGROUND CABLES TOTAL
No of Faults Length (km) Faults per 100 km
110 kV 0 0.0 0.00
66kV / 50kV 4 23.8 16.83
33kV 9 107.5 8.37
22kV 0 0.0 0.00
11kV 186 1470.9 12.65
6.6kV 0 0.0 0.00
3.3kV 0 0.0 0.00
Sub Totals 199 1602.2 12.42
400 Volt 250.0
Totals 1852.2

The number of interruptions includes an estimation of 26 from DDO fuses replaced after lightning storms



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✨ LLM interpretation of page content

πŸ’° Certification of Westpower Limited's Performance Measures (continued from previous page)

πŸ’° Finance & Revenue
18 August 1995
Audit, Certification, Performance Measures, Financial, Westpower Limited

πŸ’° Westpower Limited System Reliability for 1994-95

πŸ’° Finance & Revenue
Reliability, Performance Measures, Electricity, Westpower Limited