The 2030 Agenda for Sustainable Development-including 17 interconnected Sustainable Development Goals (SDGs) and 169 Targets-is a global plan of action for people, planet and prosperity. SDG7 calls for action to ensure access to affordable, reliable, sustainable and modern energy for all. Here we characterise synergies and trade-offs between efforts to achieve SDG7, and delivery of the 2030 Agenda as a whole. We identify 113 Targets requiring actions to change energy systems, and published evidence of relationships between 143 Targets and efforts to achieve SDG7. Synergies and trade-offs exist in three key domains, where decisions about SDG7 affect humanity's ability to: (1) realise aspirations of greater welfare and wellbeing; (2) build physical and social infrastructures for sustainable development; and (3) achieve sustainable management of the natural environment. There is an urgent need to better organise, connect and extend this evidence, to help all actors work together to achieve sustainable development.

Solar Home Systems (SHSs) and other off-grid solutions have shown promise in addressing the energy access gap for those with no or unreliable grid services. With that promise comes the expectation to boost socioeconomic well-being of newly-connected households, who will continue climbing up the energy ladder. Despite the growing appreciation for the need to go beyond the techno-economics of energy access, and the recognition of the value of socio-technical systems perspective, the wider sociology of energy consumption and behaviour among adopters of off-grid solar solutions has been poorly explored. In this paper, we apply the Social Practice Theory (SPT) and the energy and solar energy ladder framework to analyse energy consumption and the changing social practices of SHSs users in Rwanda. We find that social practices change dynamically and depend on available appliances, whereas energy consumption follows a complex path but does not increase in a linear manner with time or more appliances. Insights can prove useful for public and private agencies working on off-grid electrification, offering a new perspective on the energy and solar energy ladder concepts while also showing the importance of social aspects of energy access even at relatively low levels of provision currently offered by SHSs. Bibliography Aklin, M. et al., 2017. Does basic energy access generate socioeconomic benefits? A field experiment with off-grid solar power in India. Science Advances, 3(5), pp.1-9.

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