Fuel Consumption - GE HOME GENERATOR SYSTEMS Installation And Start-Up Manual

fuel consumption

Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown here.
15kW
natural Gas
1/2 Load Full Load
126 C 242 C
126,000 B 242,000 B
C = Cubic feet per hour
B = BTU's per hour
20kW
natural Gas
1/2 Load Full Load
160 C 293 C
160,000 B 293,000 B
C = Cubic feet per hour
B = BTU's per hour
14
LP Vapor
1/2 Load Full Load
56 C 108 C
140,000 B 270,000 B
LP Vapor
1/2 Load Full Load
70.4 C 141.5 C
176,725 B 353,650 B
Physical
Properties
normal atmospheric
state
Boiling Point (in °f):
initial
end
heating Value:
Btu per gallon (net
LhV*)
Btu per gallon (gross**)
cubic feet (gas)
Density***
Weight†
octane number:
research
Motor
* LHV (Low Heat Value) is the more realistic rating.
** Gross heat value does not consider heat lost in the form of water during
combustion.
*** Density is given in "Cubic Feet of Gas per Gallon of Liquid".
† Weight is given in "Pounds per Gallon of Liquid".
LP Vapor natural
Gas
Gas Gas
-44 -259
-44 -259
83,340 63,310
91,547
2,500 1,000
36.39 57.75
4.24 2.65
110+ 110+
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