This study reviews the market potential for a typical coal-based IGCC technology in the U.S. from 2004 to 2025. It identifies a number of recommendations designed to enhance IGCC market penetration opportunities given the uncertainties of the future. The study is based upon the latest views and data from experts in the industry. The study provides detailed economic and financial modeling/analyses of recent relevant investment decisions. Several future scenarios are assessed using the Energy Information Administration's (EIA's) National Energy Modeling System (NEMS).