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One of the ways of substantially reducing the emissions of CO2 from fossil fired power generation is to maximise the efficiency of new plants being installed to meet future demand growth and for replacing inefficient capacity. This series of case studies was conducted to show what is achieved now in modern plants in different parts of the world. It arose from a request to the IEA in the Plan of Action regarding climate change that emerged from the G8 Summit communiqué in July 2005 to: Recent coal-fired power plants of high efficiency use pulverised coal combustion (PCC) with supercritical (very high pressure and temperature) steam turbine cycles, and so most of the case studies are drawn from these. They were selected from different geographical areas, because local factors influence attainable efficiency. A review of current and future applications of coal-fuelled integrated gasification combined cycle plants (IGCC) is also included. Although these are small in number and not recently constructed (one is being constructed currently) so that there are greater cost and other uncertainties, the technology could form the foundation of many future power stations, with its very low conventional emissions and potential advantages for CO2 capture. It should be noted that there is more uncertainty in IGCC cost and performance projections as the commercial ordering of coal-fuelled IGCC as a complete system for power generation by utilities has yet to occur. There is also a case study of a natural gas-fired combined cycle plant, included to facilitate comparisons.
Content:-
EXECUTIVE SUMMARYChapter 1: INTRODUCTION
Chapter 2: DESIGNING FOR HIGH EFFICIENCY
Chapter 3: CASE STUDIES AND IGCC TECHNOLOGY REVIEW
Chapter 4: REVIEW OF CASE STUDIES AND GENERAL CONCLUSIONS
Appendix A. DATA ENQUIRY QUESTIONNAIRE
Appendix B. ACRONYMS AND ABBREVIATION
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