| S.No | Factors | Briquettes | Wood/Loose Biomass/Rice Husk | Coal |
| 1. | Calorific Value | 3800-4500 | 2500 to 3000 | 5000-5500 |
| 2. | Ash Contents | 2 to 10 | 20 to 25% | 20 to 40% |
| 3. | Pollution/Poisonous effluent Smoke | No Smoke No Sulfur | Smoke | Sulphur,Co2,
phosphorous fumes |
| 4. | Moisture | 8 %( max) | 25 to 35% | 10 to 20% |
| 5. | Cost | Rs.4.5 /Kg | Rs. 3.5 /kg | Rs. 8.0 /kg |
| 6. | Cost Rs./Kcal | 1.18 | 1.4 | 1.6 |
| 7. | Efficiency of boiler | 75% | 70% | 75% |
| 8. | Wastages/Loss | 8-10% | 20-25% | 15-20% |
| 8 a. | Actual usable value Rs./Kcal after losses | 1.29 | 1.75 | 1.92 |
| 8 b. | Remarks | Best value achieved per Rupee spent | Medium value achieved per rupee spent | Least value achieved per rupee spent |
| 9. | Labour usage | Single person is enough | Require maximum persons in handling and cutting | Require two persons |
| 10. | Boiler efficiency | Normal Fly ash deposit on tubes | Require regular maintenance | High wear & tear |
| 11. | Handling | Easy because of packed material | Tough require more areas | Tough material |
