Gas Transmission Statistics




NGC HOLDINGS LIMITED

GAS TRANSMISSION ACTIVITIES

ENERGY DELIVERY EFFICIENCY PERFORMANCE MEASURES AND STATISTICS

FOR THE YEAR ENDED 30 JUNE 2009

5. STATISTICS

System 2009 2008
Length (km) Max. Monthly Total Gas Conveyed Length (km) Max. Monthly Total Gas Conveyed
Quantity Entering Quantity Entering
the System Gas Conveyed Other the System Gas Conveyed Other
(GJ/month) than for Vector (GJ/month) than for Vector
(GJ p.a.) (GJ p.a.)
North & Central 827.0 6,051,861 48,979,438 827.0 6,310,963 64,426,662
Bay of Plenty 612.2 889,989 8,941,627 612.2 968,670 9,736,411
Frankley Rd – Kapuni^6 82.9 2,602,208 23,483,527 82.9 2,246,725 20,580,125
South 696.5 1,215,948 10,643,670 696.5 1,150,918 10,505,779
Total 2,218.6 10,760,006 92,048,260 2,218.6 10,677,276 105,248,977
System 2007 2006
Length (km) Max. Monthly Total Gas Conveyed Length (km) Max. Monthly Total Gas Conveyed
Quantity Entering Quantity Entering
the System Gas Conveyed Other the System Gas Conveyed Other
(GJ/month) than for Vector (GJ/month) than for Vector
(GJ p.a.) (GJ p.a.)
North & Central 827.0 6,043,308 56,198,219 827.0 5,728,319 60,584,831
Bay of Plenty 612.2 1,072,961 10,215,074 612.2 1,134,147 11,412,230
Frankley Rd – Kapuni^6 82.9 1,895,649 15,466,920 82.9 2,290,168 22,438,808
South 696.5 1,242,523 10,799,716 696.5 1,289,209 10,910,375
Total 2,218.6 10,254,441 92,679,929 2,218.6 10,441,843 105,346,244
2009 2008 2007 2006
Number of Transmission Customers 14 14 16 16
Number of unplanned interruptions in transmission systems 2009 2008 2007 2006
No. Hrs No. Hrs No. Hrs No. Hrs
1 9.5
2 9.0 2 0.7
3 12.0
Total Interruptions 3 30.5 2 1.7

^6 An error was identified in the 2008 and 2007 years “Total Gas Conveyed” quantities previously disclosed for the Frankley Rd – Kapuni system. Re-stated quantities have been disclosed for the 2008 and 2007 years.



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Online Sources for this page:

Gazette.govt.nz PDF NZ Gazette 2009, No 173





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🌾 Gas Transmission Activities Energy Delivery Efficiency Performance Measures and Statistics for the Year Ended 30 June 2009 (continued from previous page)

🌾 Primary Industries & Resources
Gas Transmission, Energy Delivery, Efficiency Measures, Load Factor, Unaccounted-For Gas, NGC Holdings Limited