New Zealand Gazette – 2000 – No. 162

Page 4223

✨ Electricity Efficiency Measures



4 DECEMBER NEW ZEALAND GAZETTE 4223

The Electricity (Information Disclosure) Regulations 1999

(For 12 months ending 30 June 2000, 30 June 1999, 30 June 1998, 30 June 1997)

Part 4

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

1999-2000 1998-99 1997-98 1996-97
1. Energy delivery efficiency performance measures
(a) Load factor ... % 69.08 68.78 67.40 66.01
Electrical energy entering the transmission system as percentage of maximum demand times hours per year
(b) Loss ratio ... % 3.97 3.83 4.27 3.61
Transmission losses as percentage of energy entering the system
(c) Capacity utilisation ... % 63.49 65.11 66.99 67.48
Maximum demand as percentage of total transformer capacity
2. Statistics
(a) System length, broken down by voltage
Total ... km 17,542 17,640 17,640 17,693
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 8,365 8,363
110 kV (HVAC) ... km 6,212 6,270 6,263 6,323
66/50/33/11 kV ... km 1,712 1,752 1,759 1,754
(b) Circuit length of overhead electric lines, broken down by voltage:
Total ... km 17,457 17,555 17,556 17,610
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 8,365 8,363
110 kV (HVAC) ... km 6,207 6,265 6,259 6,320
66/50/33/11 kV ... km 1,712 1,752 1,759 1,754
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
(c) Total circuit length of underground electric lines (110 kV HVAC) ... km 5 5 4 3
(d) Transformer capacity (kilovolt amperes) ... kVA 9.18*10^6 8.71*10^6 8.64*10^6 8.56*10^6
(e) Maximum demand (kilowatts) * ... kW 5.83*10^6 5.67*10^6 5.79*10^6 5.77*10^6
(f) Total electricity supplied from the system (kilowatt hours) * ... kWh 33.88*10^9 32.86*10^9 32.73*10^9 32.20*10^9
(g) Total electricity conveyed through the system (kilowatt hours) * ... kWh 35.28*10^9 34.17*10^9 34.19*10^9 33.40*10^9
(h) Total customers ... 54 55 51 50
  • to 2 decimal places only, higher accuracy used in calculations


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2000, No 162


Gazette.govt.nz — PDF NZ Gazette 2000, No 162




✨ LLM interpretation of page content

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

🏭 Trade, Customs & Industry
24 November 2000
Financial Measures, Return on Equity, Return on Assets, Return on Investment, Efficiency Measures, Direct Line Costs, Electricity (Information Disclosure) Regulations 1999