Abstract
This chapter introduces techno-economic analysis (TEA) methodology. Case studies of pulverized coal (PC), natural gas combined cycle (NGCC) and integrated gasification combined cycle (IGCC) systems without and with the impacts of CO2 capture are presented, illustrating the application of TEA methods and comparing performance, emissions and costs of these power generation alternatives. The advantage and disadvantage of different process simulation methods for TEA are described. IGCC systems are estimated to have less relative decrease in efficiency and increase in capital and levelized costs than the other technology options. Given uncertainties in the costs of CO2 capture, and that IGCC technologies are at an earlier stage of commercial deployment than PC and NGCC technologies, the potential cost advantage of IGCC with CO2 capture is promising but requires ongoing evaluation.
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