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Hydrogen (H 2) generation using Steam Methane Reforming (SMR) is at present the most economical and preferred pathway for commercial H 2 generation. This process, however, emits a considerable amount of CO 2 , ultimately negating the benefit of using H 2 as a clean industrial feedstock and energy carrier. That has prompted growing interest in enabling CO 2 capture from SMR for either storage or utilisation and producing zero-emission "blue H 2 ". In this paper, we propose a spatial techno-economic framework for assessing blue hydrogen production SMR hubs with carbon capture, utilisation and storage (CCUS), using Australia as a case study. Australia offers a unique opportunity for developing such 'blue H 2 ' hubs given its extensive natural gas resources, availability of known carbon storage reservoirs and an ambitious government target to produce clean/zero-emission H 2 at the cost of A$2.7 kg H2 −1). On the other hand, Western Australia offers lower gas pricing and relatively lesser storage costs, which would lead to more economically favourable hydrogen production (