Calorific value of Different Fuels

Fuels Values kcal/kg
Commercial fuels
Coal
(gross calorific value)*
Hard coal
Lignite brown coal
Charcoal
Petroleum products (net calorific value)
LPG
Gasoline/naptha
Kerosene
Jet fuel
Fuel oil
Natural gas
Electricity
Biomass
Agricultural residues
Paddy straw
Rice husk
Mango leaves
Groundnut
Sugarcane
Wheaat straw
Cotton stalks
Maize stalks
Maize cobs
Bajra stalks
Gram straw
Masoor straw
Moong strawForestry residues
Wood wastes
Bark

Animal wastes
Cowdung
Cowdung cake

5000
2310
6900

10800
10500
10300
10400
9600
8000 – 9480
860

3000
3040
3390
4200
3800
3800
4700
3500
3850
3950
3810
3980

2500 – 3850
2500 – 2850

3290
3140

* useful heating values for various grades of coal are given in the section on Energy Supply