The Bachelor thesis is focused on torefaction of biomass for an energy use. It describes the technology including basic reactors, compares wet and dry torefaction and used materials that can be used for an agricultural waste. In the thesis I compared advantages and disadvantages of torefaction considering all hydrophobic, grindability and emission of greenhouse gasses. Second and the important part of the thesis is the recent commercial use of biomass. Data are mainly taken from the SECTOR study, which was made in March 2016. So it can be considered as a recent data. This part is also concentrated on possibilities of faster development of this technology thanks to the commercial use. It is also explaining the importance of norms, which hav...