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15
Sustainability Report 2011
Business Overview The Hong Kong Gas Business
Town Gas – Chemical Composition
Methane
28.2–30.7%
Carbon Dioxide
16.3–19.9%
Hydrogen
46.3–51.8%
Carbon Monoxide
1.0–3.1%
Nitrogen & Oxygen
0–3.3%
Number of Customers as at 31st December
Town Gas Sales, million MJ
Installed Capacity, thousand m
3
per hour
Maximum Daily Demand, thousand m
3
Length of Gas Network, km
2011
1,750,553
28,147
511
6,742
3,497
2010
1,724,316
27,578
511
6,191
3,464