Solar Photovoltaics is Ready to Power a Sustainable Future

Nancy Haegel, Marta Victoria, Ian Peters, Ron Sinton, Arnulf Jäger-Waldau, Carlos del Cañizo, Christian Breyer, Matthew Stocks, Andrew Blakers, Izumi Kaizuka, Keiichi Komoto, Arno Smets

Research output: Contribution to journalArticlepeer-review

270 Scopus Citations

Abstract

Thanks to fast learning and sustained growth, solar photovoltaics (PV) is today a highly cost-competitive technology, ready to contribute substantially to CO2 emissions mitigation. However, many scenarios assessing global decarbonization pathways, either based on integrated assessment models or partial-equilibrium models, fail to identify the key role that this technology could play, including far lower future PV capacity than that projected by the PV community. In this perspective, we review the factors that lie behind the historical cost reductions of solar PV and identify innovations in the pipeline that could contribute to maintaining a high learning rate. We also aim at opening a constructive discussion among PV experts, modelers, and policymakers regarding how to improve the representation of this technology in the models and how to ensure that manufacturing and installation of solar PV- can ramp up on time, which will be crucial to remain in a decarbonization path compatible with the Paris Agreement.

Original languageAmerican English
Pages (from-to)1041-1056
Number of pages16
JournalJoule
Volume5
Issue number5
DOIs
StatePublished - 19 May 2021

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Inc.

NREL Publication Number

  • NREL/JA-5K00-78595

Keywords

  • costs
  • grid integration
  • integrated assessment model
  • land use
  • learning curve
  • materials availability
  • partial-equilibrium model
  • photovoltaics
  • sector coupling

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