Most studies assume that in a fully decarbonised electricity system the baseload would come either from nuclear or from fossil-fuel plants fitted with carbon capture and storage (CCS) technology. However, CCS has yet to be demonstrated on anything like the necessary scale, so deploying enough of it to replace existing and expected nuclear plants is a tall order. And a public that was turning against hubristic nuclear engineering might also object to the large-scale storage of a potentially asphyxiating gas beneath the ground, which CCS requires. This “numby” (not under my back yard) attitude has already affected some pilot projects.

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