Environmental Performance Tables
Hopewell Holdings Limited
Sustainability Report 2010/11 41
Energy Division
Indicator
Unit
2009/10
2010/11
Operation
Electricity sent out
GWh
5,439
7,666
TJ
19,580.4
27,597.6
Own electricity consumption
GWh
346
446
TJ
1,245.6
1,605.6
Coal consumed
TJ
50,339
69,993
Oil consumed
TJ
10
15
Thermal effciency
%
41.4
41.7
Availability factor
%
78
92
Air emissions
Direct CO
2
e emissions
1
kT
4,419
6,145
Indirect CO
2
e emissions
2
kT
0.5
0.5
Power plant emission factor (Intensity)
tCO
2
/GWh
807.98
797.08
SO
2
3
kT
1.3
2.2
NO
X
3
kT
3.8
5.7
Dust particles
3
kT
0.5
0.6
Waste produced
Pulverized Fuel Ash (PFA)
kT
245
335
Gypsum
kT
70
86
Slag
kT
21
27
Crystalline Salt
kT
0.2
0.4
Pebble Coal
kT
2.2
4.4
Mud / Sludge
kT
3.3
5.4
Waste recycled / reused
Pulverized Fuel Ash (PFA)
kT
245
335
Gypsum
kT
70
86
Slag
kT
21
27
Crystalline Salt
kT
0.2
0.4
Pebble Coal
kT
2.2
4.4
Water
Fresh water used
kT
11,032
13,837
Reused / Recycled Water
%
100
100
Wastewater discharged
%
0
0
1
Calculations based on the 2006 IPCC Guidelines for National Greenhouse Inventories. Emission source included is the coal consumed. Emission factors used are
CO
2
: 87.3tCO
2
/TJ, CH4: 0.001tCO
2
/TJ, N
2
O: 0.0015tCO
2
/TJ
2
Includes emissions related to transportation in the plant area
3
SO
2
, NO
x
and dust particles data derived from plant emissions monitoring system