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The concentration of rooftop solar photovoltaics among high-income households limits deployment and access to benefits. Here the authors find that some policy interventions and business models increased photovoltaic adoption equity in existing markets and shifted deployment to underserved communities.
As the cost of variable renewable energy generation has fallen and its proportion in power mixes has increased, discussion of its integration costs has intensified. Heptonstall and Gross systematically review the literature on these costs and asses the range of impacts it is shown to have.
Nuclear and renewable energy are considered two of the most important technologies towards decarbonization though it is not clear how their adoption relates to national emission reductions. Sovacool et al. look at data from 123 countries to examine emission reductions associated with nuclear- or renewable energy-focused strategies.
The Advanced Research Projects Agency-Energy aims to fund high-risk high-reward clean energy technology in the United States, but evaluating its impact is difficult. Goldstein et al. compare startups that won Advanced Research Projects Agency-Energy funding to other cleantech startups, and find that Advanced Research Projects Agency-Energy awardees tend to gain more patents but that more is needed to help them overcome the valley of death.
Clean energy technology manufacturing relies on global value chains, yet the patterns of these chains are poorly understood, obscuring the underlying drivers. Surana et al. analyse data on wind power global value chains to assess how technology complexity shapes the location of suppliers and evolves over time.
To meet climate goals, electric utilities should be decarbonizing their power production, but historical analyses of this process are scarce. Using machine learning and data from more than 3,000 utilities globally, Galina Alova shows that even utilities that prioritize renewable energy continue to grow their fossil fuelled generation capacity.
Climate change may affect energy systems by altering energy consumption patterns and production potential, with varying levels of impact across regions. This review synthesizes key findings of climate impact studies in regional and global scenarios and sets the stage for future multi-model assessments to support energy planning.
Carbon emission reduction measures have widely differing energy consumptions that have not been systematically compared. Babacan et al. estimate comparable energy use per unit emission reduction of various emission reduction measures, from efficiency improvements to renewable electricity generation to carbon removal.
Considering the interdependence of performance measures and the lack of a basic reference system for all-solid-state batteries, Jürgen Janek and co-workers analyse literature performance data for major types of all-solid-state batteries and benchmark them against minimalistic reference cells.
Community energy is a promising alternative to large-scale energy provision that could support decarbonization efforts. This study analyses business models, financing mechanisms and the financial performance of community energy projects in the UK to understand what is needed to better support the sector.
