New Zealand Gazette – 1999 – No. 190

Page 4539

✨ Electricity Performance Measures

10 DECEMBER NEW ZEALAND GAZETTE 4539

The Electricity (Information Disclosure) Regulations 1999
(For 12 Months ending 30 June 1999, 30 June 1998, 30 June 1997, and 30 June 1996)

Part 4
Energy Delivery Efficiency Performance
Measures And Statistics
(Disclosure Under Regulation 21)

Energy delivery efficiency performance measures

(a) Load factor ...................................................% 68.78 67.40 66.01 67.26
Percentage of electrical energy entering the
transmission system over maximum demand times
hours per year

(b) Loss ratio ...................................................% 3.83 4.27 3.61 5.69
Transmission losses over energy entering the
system

(c) Capacity utilisation.........................................% 65.11 66.99 67.48 70.99
Maximum demand over total transformer capacity

Statistics

(a) System length, broken down by voltage

Total ........................................................km 17,640 17,640 17,693 17,739
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 8,365 8,365 8,363 8,361
110 kV (HVAC) ................................................km 6,270 6,263 6,323 6,384
66/50/33/11 kV .............................................km 1,752 1,759 1,754 1,741

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

Total ........................................................km 17,555 17,556 17,610 17,659
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 8,365 8,365 8,363 8,361
110 kV (HVAC) ................................................km 6,265 6,259 6,320 6,384
66/50/33/11 kV .............................................km 1,752 1,759 1,754 1,741

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

Broken down by voltage:

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

(d) Transformer capacity
(kilovolt amperes)........................................kVA 8.7110⁶ 8.6410⁶ 8.5610⁶ 7.99*10⁶

(e) Maximum demand (kilowatts) ...........................kW 5.6710⁶ 5.7910⁶ 5.7710⁶ 5.67*10⁶

(f) Total electricity supplied from the system
(kilowatt hours) ..........................................kWh 32.8610⁹ 32.7310⁹ 32.2010⁹ 31.53*10⁹

(g) Total electricity conveyed through the system
(kilowatt hours) ..........................................kWh 34.1710⁹ 34.1910⁹ 33.4010⁹ 33.43*10⁹

(h) Total customers ............................................. 55 51 50 49

to 2 decimal places only, higher accuracy used in calculations

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VUW Te Waharoa — NZ Gazette 1999, No 190

NZLII — NZ Gazette 1999, No 190

The General Assembly Library (on the right) was completed in 1899 and survived the 1907 fire. Now the oldest remaining original Parliament building, still used as the Parliamentary Library.

✨ LLM interpretation of page content

🏭 Transpower New Zealand Limited Financial Performance Measures (continued from previous page)

Domain🏭 Trade, Customs & Industry
Dated19 November 1999
KeywordsFinancial Measures, Efficiency Measures, Return on Equity, Return on Assets, Return on Investment, Direct Line Costs, Transpower

🏭 Energy Delivery Efficiency Performance Measures and Statistics

Domain🏭 Trade, Customs & Industry
KeywordsEnergy Efficiency, Load Factor, Loss Ratio, Capacity Utilization, System Length, Circuit Length, Transformer Capacity, Maximum Demand, Electricity Supply

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