New Zealand Gazette – 1999 – No. 120

Page 2859

✨ Efficiency Performance Measures and Statistics

14 SEPTEMBER NEW ZEALAND GAZETTE

EFFICIENCY PERFORMANCE MEASURES AND STATISTICS (REGULATION 21)

	1999	1998	1997	1996

DELIVERY EFFICIENCY PERFORMANCE MEASURES

(A) Load Factor
Electrical energy entering the system as a percentage of maximum demand times hours per year.

56% | 57% | 53% | 53%

(B) Loss Ratio
System losses as a percentage of energy entering the system.

5.8% | 5.9% | 5.6% | 6.1%

(C) Capacity Utilisation
Maximum demand as a percentage of total transformer capacity.

36.5% | 36.6% | 40.0% | 40.6%

STATISTICS

Description	1999	1998	1997	1996
Distribution transformer capacity (MVA)	483	483	479	473
Maximum demand (MW)	176	171	187	192
Total electricity supplied from the system (GWh)	818	836	838	836
Total electricity conveyed for unrelated parties (GWh)	279	72	63	119
Average Number of network connections	50,059	49,904	49,864	49,784
Line business ODV at 31 March ($million)	$80.0	$80.70	$80.70	$85.60

System length, by voltage:

| | Total km | | Overhead km | | Underground km | |
| Voltage | 1999 | 1998 | 1997 | 1996 | 1999 | 1998 | 1997 | 1996 | 1999 | 1998 | 1997 | 1996 |
|----------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
| 600V DC | 4.1 | 4.1 | 4.1 | 4.1 | 0.9 | 0.9 | 0.9 | 0.9 | 3.2 | 3.2 | 3.2 | 3.2 |
| 400V | 729 | 729 | 727 | 726 | 630 | 630 | 629 | 629 | 99 | 99 | 98 | 97 |
| 6.6 kV | 724 | 721 | 720 | 716 | 492 | 490 | 489 | 487 | 232 | 231 | 231 | 229 |
| 11 kV | 258 | 257 | 257 | 256 | 237 | 237 | 237 | 236 | 21 | 20.8 | 20.7 | 20.3 |
| 33 kV | 225 | 225 | 225 | 225 | 150 | 150 | 150 | 150 | 75.2 | 75.2 | 75.2 | 75.2 |
| Total| 1,940 | 1,936 | 1,933 | 1,928 | 1,510 | 1,508 | 1,506 | 1,503 | 430 | 428 | 427 | 425 |

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💰 Efficiency Performance Measures for Electricity (continued from previous page)

Domain💰 Finance & Revenue
KeywordsEfficiency Measures, Statistics, Electricity, Regulation 21

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