Spain barely uses 35% of the 50 million cubic meters of biomass that its forests generate each year.

The production of pellets in Spain still has a wide margin of growth, since only 35% of the biomass resources generated each year are used, which are around 50 million cubic meters.

http://www.energetica21.com/noticia/espana-apenas-utiliza-el-35porciento-de-los-50-millones-de-metros-cubicos-de-biomasa-que-generan-sus-bosques-cada-ano