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New Zealand Gazette – 2001 – No. 163

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✨ Electricity Information Disclosure

The Electricity Information Disclosure Regulations 1999

(For 12 months ending 30 June 2001, 30 June 2000, 30 June 1999, 30 June 1998)

Part 4

Energy Delivery Efficiency Performance Measures and Statistics

(Disclosure under Regulation 21)

1. Energy delivery efficiency performance measures

	2000-01	1999-00	1998-99	1997-98
(a) Load factor
Electrical energy entering the transmission system as percentage of maximum demand times hours per year	%	68.02	69.08	68.78
(b) Loss ratio
Transmission losses as percentage of energy entering the system	%	5.94	3.97	3.83
(c) Capacity utilisation
Maximum demand as percentage of total transformer capacity #	%	72.35	63.48	65.11

2. Statistics

(a) System length, broken down by voltage

	Total
	km	17,471	17,542	17,640	17,640
350 kV (HVDC)	km	611	611	611	611
270 kV (HVDC)	km	611	611	611	611
0 kV (HVDC earth electrode)	km	31	31	31	31
220 kV (HVAC)	km	8,381	8,365	8,365	8,365
110 kV (HVAC)	km	6,158	6,212	6,270	6,263
66/50/33/11 kV	km	1,679	1,712	1,752	1,759

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

	Total
	km	17,386	17,457	17,555	17,556
350 kV (HVDC)	km	571	571	571	571
270 kV (HVDC)	km	571	571	571	571
0 kV (HVDC earth electrode)	km	31	31	31	31
220 kV (HVAC)	km	8,381	8,365	8,365	8,365
110 kV (HVAC)	km	6,153	6,207	6,265	6,259
66/50/33/11 kV	km	1,679	1,712	1,752	1,759

NB: HVDC link submarine power cables measure approximately 80km.

Broken down by voltage


350 kV (HVDC)	km	40	40	40
270 kV (HVDC)	km	40	40	40

(c) Total circuit length of underground electric lines

| | (110 kV HVAC) | |
|-----------------------------------|---------------|---------|---------|---------|
| | km | 5 | 5 | 5 | 4 |

(d) Transformer capacity

	(kilovolt amperes)* #
	kVA

(e) Maximum demand (kilowatts) *

| | kW | 6.17x10^6 | 5.83x10^6 | 5.67x10^6 | 5.79x10^6 |

(f) Total electricity supplied from the system (kilowatt hours)

| | kWh | 34.57x10^9| 33.88x10^9| 32.86x10^9| 32.73x10^9|

(g) Total electricity conveyed through the system (kilowatt hours) *

| | kWh | 36.75x10^9| 35.28x10^9| 34.17x10^9| 34.19x10^9|

(h) Total customers

| | | 50 | 54 | 55 | 51 |

to 2 decimal places only, higher accuracy used in calculations

Installed transformer capacity based on ONAN ratings for 2000/01 data.

VUW Te Waharoa — NZ Gazette 2001, No 163

Gazette.govt.nz — NZ Gazette 2001, No 163

The Executive Wing of Parliament (depicted) is universally known as The Beehive. It was completed in 1977 and remains the primary office for the elected Government of the day.

✨ LLM interpretation of page content

🏭 Energy Delivery Efficiency Performance Measures and Statistics (continued from previous page)

Domain🏭 Trade, Customs & Industry
Dated20 November 2001
KeywordsEnergy, Transmission, Statistics, Performance Measures, Electricity

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