This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International licence Newcastle University ePrints-eprint.ncl.ac.uk Powells G, Bulkeley H, Bell S, Judson E. Peak electricity demand and the flexibility of everyday life.

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Flexibility has increasing value across sectors of the economy, including energy. The ability to be flexible is affected by a wide variety of sociotechnical factors and determines what we term 'flexibility capital'. Levels of flexibility capital vary in populations, both absolutely and in the extent to which they are primarily derived from technological or social means, which has implications for the (dis)comfort and (in)convenience involved in economising flexibility capital. Furthermore, we argue that freedom of choice over whether and how to economise flexibility capital can be limited by factors such as financial resources, among others. In constrained systems (such as energy networks), the level of service enjoyed by the more affluent may not simply be higher than those who are less affluent, but may be directly enabled by reductions in the latter's comfort and/or convenience which may not feel fully voluntary. There is a real risk that such injustices could be locked into energy infrastructure and market design and governance for the long term as has already happened in labour markets. We introduce the concept of 'flexibility justice' as a frame for these issues of fairness. While the concepts we offer in the paper emerge from longstanding engagements with energy research contexts and they relate directly to the issues currently being debated in the energy research and policy communities, we contend that they can be related to a much broader range of issues in 21st century economies.

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In the face of challenges of energy security, low carbon transitions and the replacement of aging infrastructure networks, new logics for the development of smart electricity systems are emerging amongst utility providers and public authorities. Whilst often portrayed as a technical matter, orchestrated through the top-down intervention of major corporate or government actors, such shifts in the system of electricity provision also entail efforts to fundamentally reconfigure relationships between providers and consumers, and rearticulate energy practices so that they are aligned to new governmental rationales. In this paper, we draw on theories of governmentality and social practice to consider the ways in which the smart grid is serving to constitute new forms of energy conduct, which in turn are vital to the ways in which smart grids are realised. Through the analysis of the first findings from an industry regulator-funded project in the north of England, we consider how and with what implications households that have installed solar photovoltaic (PV) technologies are fitting smart grid techniques and devices into their everyday practices. We argue that in contrast to households where solar PV has been regarded primarily as a device to deliver new flows of finance, the introduction of smart grid logics through the installation of in-home displays and hot water storage has served to rearticulate what 'good' electricity conduct entails and to reconfigure the ways in which energy-intensive practices are undertaken in households. We find these new forms of 'governing the self' to be critical in shaping how, and to what effect, the smart grid is taking root.