Biomass in combination with carbon capture and storage (CCS) technologies is one of few options that makes an actual reduction of global CO 2 concentration in the atmosphere possible and is likely to be required to meet low atmospheric concentration of CO 2 . This study shows the global potential for combining biomass with CCS technologies (bio-CCS) up to 2030 and 2050. The assessment includes six bio-CCS routes for the production of power and biofuels in combination with CCS. For these routes we have analysed the technical and economic potential. The results show the global technical potential for bio-CCS technologies is large and, if deployed, can result in negative greenhouse gas emissions (GHG) up to 10.4Gt CO 2 eq. on an annual basis in 2050. This is a large reduction potential compared to the global energy-related CO 2 emissions which grew to 30.6Gt CO 2 in 2010. The economic potential reaches up to 3.5Gt of negative GHG emissions when assuming a CO 2 price of 50€/tonne. Next to quantitative estimates of these potentials in the form of global cost supply curves, we present recommendations to overcome possible barriers and enhance drivers to stimulate the deployment of bio-CCS technologies.