This paper provides a review of the development and deployment of coal based gasification technologies for power generation. The global status of gasification is described covering the various process and technology options. The use of gasification for power generation is then highlighted including the advantages and disadvantages of this means for coal utilisation. The R, D & D needs and challenges are then reviewed including the likely impact of regulatory emissions directives in moving things forward. (c) 2005 Elsevier Ltd. All rights reserved.