CCC/221 ISBN 978-92-9029-541-9
August 2013
copyright © IEA Clean Coal Centre
Abstract
Improving the efficiencies of the large number of older coal-fired power plants operating around the
world would give major savings in CO2 emissions together with significant other benefits. This report
begins with a summary of the ways efficiency can become degraded and of the means available to
combat the decrease in performance. These include improvements to operating and maintenance
practices and more major techniques that are available, including boiler and turbine retrofits. There is
also an update on fuel drying developments as a route to higher efficiency in plants firing high
moisture lignites. The largest chapter of the report contains a number of descriptions of case study
improvement projects, to illustrate measures that have been applied, benefits that have been achieved
and identify best practices, which are summarised. Major national and international upgrading
programmes are described.
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