New Zealand Gazette – 2008 – No. 11

Page 292

✨ Energy Efficiency Performance and Statistics

DISCLOSURE OF ENERGY EFFICIENCY PERFORMANCE MEASURES AND STATISTICS PURSUANT TO SCHEDULE 1, PART 4 OF THE ELECTRICITY INFORMATION DISCLOSURE REQUIREMENTS 2004

1. Energy Delivery Efficiency Performance Measures

	2007	2006	2005	2004	2003
(a) Load Factor	76.87%	76.20%	76.37%	77.87%	77.38%
(b) Loss Ratio	2.91%	3.12%	3.22%*	3.54%	3.13%
Loss Ratio Estim.	4.35%*	3.60%*	3.60%*	4.70%*	3.70%*
(c) Capacity Util.	32.52%	33.19%	32.23%	31.82%	32.35%

*Estimated, based on distribution system configuration

2. Statistics

(a) System length, broken down by voltage:

Voltage	2007	2006	2005	2004	2003
33 kV	231.0 km	231.0 km	235.0 km	235.0 km	230.4 km
11 kV	3,239.0 km	3,298.0 km	3,244.0 km	3,197.0 km	3,194.1 km
400V	2,176.0 km	2,057.0 km	1,940.0 km	1,873.0 km	2,008.0 km
Total	5,646 km	5,586.0 km	5,419.0 km	5,305.0 km	5,430.5 km

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

Voltage	2007	2006	2005	2004	2003
33 kV	215.0 km	215.0 km	219.0 km	219.0 km	213.0 km
11 kV	3,103.0 km	3,149.0 km	3,125.0 km	3,093.0 km	3,097.0 km
400V	1,577.0 km	1,582.0 km	1,562.0 km	1,557.0 km	1,733.0 km
Total	4,895.0 km	4,946.0 km	4,906.0 km	4,869.0 km	5,043.0 km

(c) Circuit length of underground cables broken down by voltage:

Voltage	2007	2006	2005	2004	2003
33 kV	16.0 km	16.0 km	16.0 km	16.0 km	17.4 km
11 kV	136.0 km	149.0 km	119.0 km	104.0 km	97.1 km
400V	599.0 km	475.0 km	378.0 km	316.0 km	273.0 km
Total	751.0 km	640.0 km	513.0 km	436.0 km	387.5 km

(d) Transformer capacity

Year	Capacity (kVA)
2007	442,875
2006	433,235
2005	419,982
2004	414,440
2003	406,685

(e) Maximum demand

Year	Demand (kW)
2007	144,014
2006	143,800
2005	135,344
2004	131,880
2003	131,560

(f) Total electricity entering the system - kWh

Year	kWh
2007	967,221,255
2006	959,899,374
2005	905,439,718
2004	899,598,208
2003	891,815,703

(g) Total electricity supplied from the system for other retailers

Retailer	2007	2006	2005	2004	2003
Meridian Energy	233,711,672	234,998,959	296,082,158	298,286,724	322,048,156
Trust Power	120,853,458	125,036,672	111,027,589	118,620,725	136,055,824
On Energy	0	0	108,385,534	94,838,915	262,402,357
Genesis	122,880,795	117,444,845	0	0	0
Mighty River	345,291,382	347,980,217	310,011,324	305,675,711	113,104,961
Empower	0	0	0	942,581	1,538,915
Contact Energy	116,310,202	104,474,859	50,803,828	49,375,781	26,420,176

(h) Total Customers

Year	Number of Customers
2007	51,669
2006	50,753
2005	49,820
2004	48,852
2003	47,785

VUW Te Waharoa — NZ Gazette 2008, No 11

Gazette.govt.nz — NZ Gazette 2008, No 11

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✨ LLM interpretation of page content

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

Domain🏭 Trade, Customs & Industry
KeywordsEnergy efficiency, Electricity, Performance measures, Statistics, Load factor, Loss ratio, Capacity utilisation, System length, Circuit length, Transformer capacity, Maximum demand, Electricity supply, Retailers

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