Integrated gasification combined-cycle (IGCC) power plants offer a way to use solid or heavy liquid hydrocarbons, such as asphalt, in high-efficiency combined-cycle power plants. This paper reviews the history of IGCC power plants from the first unit, which was built in Germany in the 1970s, to the current wave of IGCCs being deployed in the 2010s. It draws heavily from the Electric Power Research Institute (EPRI) archive of information about IGCCs, which chronicles 40 years of nurturing the development of a number of coal gasification technologies. Insights from the operating experiences of earlier IGCCs will be examined, a comprehensive table listing all IGCCs built to date is provided and photos from many of the plants are included. The paper concludes with some recommendations for research and development which could set the direction for future applications of IGCC technologies.

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