ArticleiScience2025
Global engagement lowers investment gaps in renewable energy deployment.
Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
In recent years, the costs of renewable technologies like photovoltaic (PV) and wind power have declined sharply, with scale growth being a key driver. The impact of scale growth comes from both domestic expansion (national endeavor [NE]) and international deployment (global engagement [GE]). Using learning curve models and counterfactual inference, we quantify their respective contributions to the decline in total installed cost of wind and PV power. Results show that GE accounts for 17% of the global cost decline in PV and 48% in wind power. NE plays a dominant role in manufacturing countries such as China, India, and the US, while GE is essential for supporting energy transitions in countries outside these hubs. Without GE, the global investment gap would increase by 42% to meet the 2030 Tripling Target for renewable energy. These findings underscore the critical importance of global cooperation in enabling green and low-carbon development worldwide.
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