Crossties, wooden sleepers, pellets. A wooden pellet is a product consisting of fragmented wood pieces that are pressed with high pressure in the shape of cylinders. Pellets are available on the market in the following manner. The first reason for using wood in the production of energy is due to politics. In this manner, we become independent of foreign suppliers, because we do have relatively sufficient supplies of wood. Pellets can be used in furnaces that heat only one room or in boilers for central heating systems.