Carbon capture and storage will never be viable: eminent energy economist


Friday, 30 June, 2017

The Australian Government, and also the Prime Minister, Malcolm Turnbull, have made numerous statements over recent years about carbon capture and storage (CCS) as a means to produce “energy that is affordable, reliable and secure and that meets our global emissions reduction commitments”. (Malcolm Turnbull in an address to the Australian Press Club, February 2017).

However, there are others, including CCS researchers and economists, who have questioned the viability of CCS.

The latest comes from Professor Gordon Hughes, Professor of Economics at the University of Edinburgh and a former adviser to the World Bank. In a new report published by the Global Warming Policy Foundation, Professor Hughes says that claims that costs will fall quickly are unlikely to be borne out in practice and even if they are, the total investment required makes CCS little more than a utopian dream, and will make carbon-based power sources economically unviable.

And as Professor Hughes explains:

“We have spent countless millions trying to get carbon capture to work for coal-fired power stations. But in the future coal will mostly be used in the developing world, where CCS is going to be too expensive. Everyone else is moving to gas, for which CSS isn’t yet an option.”

And even if the technology can be made to work for gas, it would come at a price that “would make renewables and nuclear look cheap”. This is in part because of a lack of joined up policy, as Professor Hughes explains:

“Successive governments haven’t thought their policies through. The focus on renewables is making CCS — already a marginal technology — even less viable. A coherent strategy could reduce carbon emissions at a fraction of the current cost by switching to gas with the option to install CCS if and when it makes economic sense.”

The full report, ‘The Bottomless Pit: The Economics of Carbon Capture and Storage’, can be downloaded here.

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