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Technology Collaboration Programme by IEA

Scoping Study on Operating Flexibility of Power Plants with CO2 Capture

Technical Review

1 September 2008

Capture

Colin Alie, Peter Douglas, Eric Croiset

Citation: IEAGHG, "Scoping Study on Operating Flexibility of Power Plants with CO2 Capture", 2008-TR1, September 2008.

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Publication Overview

This report reviews existing work on the operating flexibility of power plants with CO2 capture, discusses techniques which could be used to assess flexibility and proposes further work that could be undertaken on this subject. Operating flexibility of power plants is likely to become more important in future as more renewable power systems with variable outputs are built to reduce CO2 emissions. Operating flexibility could be a significant factor in the choice of the optimum CO2 capture technology and it may also affect the extent to which CCS will be used in future.

Publication Summary

Operability is an important consideration for power plants operators and it is likely to become even more so in future due to the increased use of renewable energy sources with low-CO2 emissions. It could be a significant factor in the choice of the optimum CO2 capture technology and it may also affect the extent to which CCS will be used in future.

There is currently little published work on operability of power plants with CCS.

The amount of effort required for detailed analysis of the operability of power plants with CCS would be substantially greater than that of IEA GHG’s other technical studies. For such a study to go ahead addition funding would be needed, for example from any IEA GHG Members and Sponsors that are especially interested in this subject.

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