| Biomass Pellet | Diameter (mm) | Length (mm) | GCV (MJ∙kg−1) | Ash content (%) |
| Sunflower husk pellets | 6.20 | 21.75 | 18.830 | 3.85 |
| Medicago sativa pellets | 6.20 | 21.75 | 16.019 | 4.42 |
| Cardoon pellets with moisture content 10.20% | 6.20 | 21.74 | 16.786 | 8.33 |
| Cardoon pellets without moisture (dried at 105˚C for 24 h) | 6.20 | 21.75 | 18.227 | 7.22 |
| Cotton pellets | 6.20 | 21.75 | 16.988 | 3.49 |
| Common reed pellets | 6.20 | 21.75 | 16.471 | 7.46 |
| Narrow-leaf cattail pellets | 6.20 | 21.75 | 16.584 | 6.78 |
| Poplar (Populus euro-america) pellets | 6.20 | 21.76 | 17.814 | 0.79 |
| Beech (Fagus sylvatica) pellets | 6.20 | 21.75 | 18.050 | 0.77 |
| Pine (Pinus sylvestris) pellets | 6.20 | 21.74 | 18.754 | 0.64 |
| Fir (Abiesborisii-regis) + Pine (Pinus sylvestris) pellets (50% + 50%) | 6.20 | 21.75 | 18.367 | 0.71 |