With a CCS demonstration plant at the brown-coal-based Jänschwalde power plant in Brandenburg the energy concern Vattenfall intends to commence in 2015 the large-scale capture of CO2 and its storage beneath a built-up area. EU funding of 180 million euros is earmarked for this project. Following changes to the technical concept, we have evaluated the documents that Vattenfall submitted to the Brandenburg Landtag (parliament) and licensing authorities and come to the following conclusions.