← Page 4041

New Zealand Gazette – 2010 – No. 159

Page 4042

Page 4043 →

✨ Electricity Information Disclosure Requirements

4042 NEW ZEALAND GAZETTE, No. 159 29 NOVEMBER 2010

1 The Electricity Information Disclosure Requirements

(For 12 months ending 30 June 2010, 2009, 2008, 2007)

Part 4

Energy Delivery Efficiency Performance Measures and Statistics

(Disclosure under Requirement 20)

1. Energy delivery efficiency performance measures

(a) Load factor (%)
Electrical energy entering the transmission system as percentage of maximum demand times hours per year

	2009/10	2008/09	2007/08	2006/07
	68.49	67.02	68.35	66.60

(b) Loss ratio (%)
Transmission losses as percentage of energy entering the system

	2009/10	2008/09	2007/08	2006/07
	3.72	4.02	3.66	3.74

(c) Capacity utilisation (%)
Maximum demand as percentage of total transformer capacity (Maximum Continuous Ratings)

	2009/10	2008/09	2007/08	2006/07
	46.27	46.93	48.10	50.37

2. Statistics

(a) System length, broken down by voltage (km)

	2009/10	2008/09	2007/08	2006/07
Total ^a	17,343	17,340	17,333	17,334
350 kV (HVDC)	611	611	611	611
270 kV (HVDC)	611	611	611	611
0 kV (HVDC earth electrode)	31	31	31	31
220 kV (HVAC)	8,623	8,632	8,631	8,617
110 kV (HVAC)	6,302	6,304	6,298	6,299
66/50/33/11 kV (HVAC) ^a	1,165	1,151	1,151	1,165

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

	2009/10	2008/09	2007/08	2006/07
Total ^a	17,251	17,255	17,248	17,249
350 kV (HVDC)	571	571	571	571
270 kV (HVDC)	571	571	571	571
0 kV (HVDC earth electrode)	31	31	31	31
220 kV (HVAC)	8,623	8,632	8,631	8,617
110 kV (HVAC)	6,290	6,299	6,293	6,294
66/50/33/11 kV (HVAC) ^a	1,165	1,151	1,151	1,165

NB: HVDC link submarine power cables measure approximately 80km. Broken down by voltage

	2009/10	2008/09	2007/08	2006/07
350 kV (HVDC)	40	40	40	40
270 kV (HVDC)	40	40	40	40

(c) Total circuit length of underground electric lines (km)
( 110 kV HVAC)

	2009/10	2008/09	2007/08	2006/07
	12	4	4	4

(d) Transformer capacity (Maximum Continuous Ratings) (kVA)

	2009/10	2008/09	2007/08	2006/07
	14.26x10^6	14.09x10^6	13.80x10^6	13.31x10^6

(e) Maximum demand (kilowatts) ^bc (kW)

	2009/10	2008/09	2007/08	2006/07
	6.60x10^6	6.61x10^6	6.64x10^6	6.71x10^6

(f) Total electricity entering the system (before losses) ^bc (kWh)

	2009/10	2008/09	2007/08	2006/07
	39.58x10^9	38.82x10^9	39.72x10^9	39.13x10^9

(g) Total amount of electricity (in kilowatt hours) supplied from the system (after losses of electricity) during the financial year on behalf of each person that is an electricity generator or an electricity retailer, or both ^bcd (kWh)

	2009/10	2008/09	2007/08	2006/07
	38.10x10^9	37.26x10^9	38.27x10^9	37.66x10^9

(h) Total connected customers

	2009/10	2008/09	2007/08	2006/07
	53	51	49	48

Notes

a Excludes 61km of circuits leased from others and operated by Transpower.

b To 2 decimal places only, higher accuracy used in calculations.

c For all years, figures for maximum demand kW and kWh injected and supplied include loads on circuits leased by Transpower. The effect of these circuits cannot be measured as metering equipment is not installed at the inter-connection points with Transpower-owned assets, but the difference is estimated to be no more than 0.1% of totals. Loads on Transpower assets leased to others are not included as Transpower does not collect operational data for these assets.

d Including sales to direct connected customers

Gazette.govt.nz — NZ Gazette 2010, No 159

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🏭 Energy Delivery Efficiency Performance Measures and Statistics

Domain🏭 Trade, Customs & Industry
KeywordsElectricity, Energy Delivery, Efficiency, Performance Measures, Statistics, Transmission System

As the Gazette has been published for more than 185 years, copyright status depends on the publication date of each issue:

1840–1925 (Public Domain): Issues of the New Zealand Gazette and Provincial Gazettes from this period are in the public domain, as the term of Crown copyright (100 years) has expired. Mechanical reproductions (e.g., scanned PDFs) of these public domain documents do not attract new copyright.
1926–1999 (Crown Copyright): Issues from this period remain subject to Crown copyright. Usage of these issues in this project is "Fair Dealing" for research purposes and consistent with the spirit of the open-access principles championed by NZGOAL, ie, "The default licensing position under ... NZGOAL is the Creative Commons Attribution 4.0 International licence ... [t]o the greatest extent possible, agencies should apply this licence to copyright material on their websites"
2000–Present (CC-BY 3.0 NZ): Gazette issues published on gazette.govt.nz are Crown copyright but are explicitly licensed by the Department of Internal Affairs under the Creative Commons Attribution 3.0 New Zealand licence (CC-BY 3.0 NZ). This project redistributes this content in accordance with those terms.

Nothing in this project is intended to infringe copyright, trademark law or personal privacy. Please contact me immediately if you have any concerns.

Third-Party Content

Where third-party content (e.g., notices submitted by external organisations) is identified within the Gazette, users should satisfy themselves regarding the copyright status of that specific content, as it may be subject to different ownership terms than the Gazette itself.

Sources and Attribution

NZ Gazette Sources

The primary sources for the issues of the NZ Gazette indexed by this project are:

New Zealand Gazette Archive, provided by Victoria University Library, copyright 2008 LexisNexis NZ Limited, Crown Copyright of New Zealand Gazette Office
- Issues from 1841-2008, including the New Munster, New Ulster, and Provincial Gazettes
New Zealand Gazettes by New Zealand Legal Information Institute (note: "NZLII is not the copyright owner in the source documents published on NZLII")
- Issues from 1913-1999
Gazette.govt.nz, Crown copyright / licensed by the Department of Internal Affairs under CC-BY 3.0 NZ
- Issues from 2000-2017

Additional Sources

Wellington City Recollect have made available a comprehensive and excellent-quality scan of the Wellington Provincial Gazette which was used to fill in a number of issues missing from Victoria University's Gazette Archive; in particular, all 1856 issues, issues 22-34 for 1864 and issues 9-19 for 1870.
27 issues of The New Zealand Advertiser and Bay of Islands Gazette (1840) were sourced from Papers Past (public domain).
Gazette Extraordinary No. 1 (1840), held at the Alexander Turnbull Library, Wellington, New Zealand. Imaged by Luke Howison at the National Library reading rooms; PDF released into the public domain.

PDF Icon

The PDF PDF Icon was made by Good Ware, CC BY-SA 4.0.

Masthead

The logo in the header is an edited version of “Winning Coat of Arms Competition Entry, 1908” by Archives New Zealand, CC BY 2.0 (found via Wikipedia).

Who made this?

I'm Luke Howison, a freelance web developer with an interest in genealogy. I have created several websites for genealogical research, such as NZ Ancestor Search Helper.

New Zealand Gazette Index