| FO | Fuel Oil |
| GHC | Gross Heat of Combustion |
| HFO | Heavy Fuel Oil |
| HHV | Higher Heating Value |
| LFO | Light Fuel Oil |
| LHV | Lower Heating Value |
| NHC | Net Heat of Combustion |
| TPP | Thermal Power Plant |
| FO | Fuel Oil |
| GHC | Gross Heat of Combustion |
| HFO | Heavy Fuel Oil |
| HHV | Higher Heating Value |
| LFO | Light Fuel Oil |
| LHV | Lower Heating Value |
| NHC | Net Heat of Combustion |
| TPP | Thermal Power Plant |