New Zealand Gazette – 1996 – No. 141

Page 3423

✨ Electricity Performance Measures

7 OCTOBER

NEW ZEALAND GAZETTE

1 April 1995 to 31 March 1996

1996 | 1995

DISCLOSURE OF RELIABILITY PERFORMANCE MEASURES PURSUANT TO REGULATION 16 OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

1. Financial Performance Measures

(a) Accounting Return on total assets, being earnings before interest and tax, divided by average total funds employed

3.1% | 3.0%

(b) Accounting return on equity, being net profit after tax, divided by average total shareholders’ funds

2.1% | 2.1%

2.3% | 1.5%

2. Efficiency Performance Measures

a) Direct line cost per kilometre

$1091 | $1067

b) Indirect line cost per electricity customer

$96 | $87

(includes line business allocation of billing and customer liaison costs).

COUNTIES POWER LIMITED

DISCLOSURE OF ENERGY EFFICIENCY PERFORMANCE MEASURES AND STATISTICS PURSUANT TO REGULATION 15 OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

Period 1/4/95 to 31/3/96

1. Energy delivery efficiency performance measures

(a) Load factor

57.1%

(b) Loss ratio

8.2%

37.8%

2. Statistics

(a) System length, broken down by voltage

33 kV: 173 km
22 kV: 22 km
11 kV: 1477 km
400V: 1262 km
Total: 2934 km

(b) Circuit length of overhead lines, broken down by voltage

33 kV: 173 km
22 kV: 22 km
11 kV: 1454 km
400V: 1104 km
Total: 2753 km

11 kV: 23 km
400V: 158 km
Total: 181 km

(d) Transformer capacity

197,000 kVA

(e) Maximum demand

79,493 kW

(f) Total electricity supplied from the system

373,099,000 kWh

(g) Total electricity conveyed through the system

1,477,600 kWh

(h) Total customers

29860 average for period

DISCLOSURE OF RELIABILITY PERFORMANCE MEASURES PURSUANT TO REGULATION 16 OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

Period 1/4/95 to 31/3/96

Total number of interruptions

(a) Planned interruptions by TransPower
NIL

(b) Planned interruptions by Counties Power
305

(d) Unplanned interruptions originating with TransPower system
1

(e) Unplanned interruptions originating with E.C.N.Z.
NIL

(f) Unplanned interruptions originating with generators other than E.C.N.Z.
NIL

(g) Interruptions not included in (a) to (f)
NIL

The NIL interruption reported in categories (a), (e), (f) and (g) mean that the SAIDI, SAIFI and CAIDI data reported below are also NIL for each of these four categories of interruption.

Total number of faults per 100 circuit kilometres of prescribed voltage electric line

13.28

Total number of faults per 100 circuit kilometres of underground prescribed voltage line and per different nominal line voltages:

11 kV underground: 8.7

Total: 8.7

Total number of faults per 100 circuit kilometres of overhead prescribed voltage line and per different nominal line voltages:

11 kV overhead: 13.69
22 kV overhead: 18.18
33 kV overhead: 9.83

Total: 13.34

The SAIDI for the total of interruptions

468.58 minutes

The SAIDI for the total number of interruptions within each interruption class:

(b) Planned interruptions by Counties Power: 171.46 minutes

(d) Unplanned interruptions originating with TransPower system: 2.09 minutes

The SAIFI for the total number of interruptions

5.60 interruptions

The SAIFI for the total number of interruptions within each interruption class:

(b) Planned interruptions by Counties Power: 0.86 interruptions

(d) Unplanned interruptions originating with TransPower system: 0.05 interruptions

The CAIDI for the total of all interruptions

83.72 minutes

The CAIDI for the total number of interruptions within each interruption class:

(b) Planned interruptions by Counties Power: 199.16 minutes

(d) Unplanned interruptions originating with TransPower system: 45.56 minutes

Number of customers has been calculated as the average of opening and closing figures for the year.

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VUW Te Waharoa — NZ Gazette 1996, No 141

NZLII — NZ Gazette 1996, No 141

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🏭 Disclosure of Reliability Performance Measures for Electricity

Domain🏭 Trade, Customs & Industry
KeywordsElectricity, Performance Measures, Financial Efficiency

🏭 Disclosure of Energy Efficiency Performance Measures and Statistics

Domain🏭 Trade, Customs & Industry
KeywordsElectricity, Energy Efficiency, System Statistics

🏭 Disclosure of Reliability Performance Measures

Domain🏭 Trade, Customs & Industry
KeywordsElectricity, Reliability Measures, Interruptions, Faults

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