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Terawatt-Scale Photovoltaics: Transform Global Energy

 
: Bett, A.W.; Haegel, N.M.; Atwater, H.; Barnes, T.; Breyer, C.; Burrell, A.; Chiang, Y.-M.; Wolf, S. de; Dimmler, B.; Feldmann, D.; Glunz, S.; Goldschmidt, J.C.; Hochschild, D.; Inzunza, R.; Kaizuka, I.; Kroposki, B.; Kurtz, S.; Margolis, R.; Leu, S.; Matsubara, K.; Metz, A.; Metzger, W.K. et al.

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Science 364 (2019), Nr.6443, S.836-838
ISSN: 0036-8075
ISSN: 1095-9203
Englisch
Zeitschriftenaufsatz
Fraunhofer ISE ()
Photovoltaik; Silicium-Photovoltaik; III-V und Konzentrator-Photovoltaik; Neuartige Photovoltaik-Technologien; Photovoltaische Module und Kraftwerke; III-V Epitaxie und Solarzellen; Konzentrator-Bauelemente; photovoltaic; Terawatt; system

Abstract
Solar energy has the potential to play a central role in the future global energy system because of the scale of the solar resource, its predictability, and its ubiquitous nature. Global installed solar photovoltaic (PV) capacity exceeded 500 GW at the end of 2018, and an estimated additional 500 GW of PV capacity is projected to be installed by 2022–2023, bringing us into the era of TW-scale PV. Given the speed of change in the PV industry, both in terms of continued dramatic cost decreases and manufacturing-scale increases, the growth toward TW-scale PV has caught many observers, including many of us (1), by surprise. Two years ago, we focused on the challenges of achieving 3 to 10 TW of PV by 2030. Here, we envision a future with ∼10 TW of PV by 2030 and 30 to 70 TW by 2050, providing a majority of global energy. PV would be not just a key contributor to electricity generation but also a central contributor to all segments of the global energy system. We discuss ramifications and challenges for complementary technologies (e.g., energy storage, power to gas/liquid fuels/chemicals, grid integration, and multiple sector electrification) and summarize what is needed in research in PV performance, reliability, manufacturing, and recycling.

: http://publica.fraunhofer.de/dokumente/N-565542.html