steve macmillan seconded from origin energy australia is the main author of the first chapter the author wants to thank for their contributions the following staff from the iea dennis volk christina hood simon mueller alexander antonyuk grayson heffner justine garett andre aasrud cedric philibert and johannes truby only a few years ago there was confidence that liberalised electricity markets in iea member countries could also deliver sufficient and timely generation investments needed to ensure security of supply