Missing informant tarkov11/2/2022 Capturing these dynamics in the hydrogen archetypes would enable a more holistic analysis and would also facilitate subsequent action.Ĭement manufacturing is a hard-to-abate industrial sector that accounts for 5 to 8% of global anthropogenic emissions. All models have a strong focus on technology and costs, with other aspects such as the innovation cycle, market design and policy levers to promote deployment receiving little focus. All the archetypes provide partial answers and using a modeling suite composed of various models could address shortcomings of individual archetypes. The correlation between archetypes assessed in this study can be used to identify opportunities for soft-linking. The environmental and high spatial resolution aspects are only covered by one archetype. Each of these archetypes was mapped against the categories defined which allowed identifying common gaps across archetypes and degree of interrelationship between them. Nine hydrogen archetypes that cover the entire spectrum of studies of hydrogen energy systems were identified. This general taxonomy was then adapted to hydrogen, leaving only 32 categories in four major categories. This review identified 124 categories that are commonly used to map models, which were grouped into six major categories. The taxonomy is based on a review of 29 studies that proposed a taxonomy for energy models in general. This study proposes a taxonomy to classify models of hydrogen energy systems. A range of model paradigms have been developed to assess the potential for hydrogen energy systems while accounting for the unique characteristics of hydrogen. Hydrogen can serve multiple purposes within the energy system, from flexibility provider, to decarbonizing hard-to-abate sectors, to chemical feedstock. Third, we outline three ways to make clearer sense of energy transitions and policy with reference to socio-technical, complex, and social-ecological systems. Second, UK and devolved governments often use the language of systems to propose paradigmatic energy policy change, but refer to a metaphor rather than academic insights. First, our systematic review shows how researchers present patchy or inconsistent stories, in which the role of policy and policymaking is unclear, when they describe energy systems. To explore these issues in depth, we show how they arise frequently in UK energy policy research and its impact on policymaking. However, ‘whole systems analysis’ and ‘systems thinking’ is often too vague to guide this project well. It can help make sense of the interconnectedness of key actors, the ‘emergence’ of outcomes from large numbers of interactions, and the proposed transformation – by many governments - towards sustainable energy systems. The language of systems can be highly useful when defined clearly.
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