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Knowledge Spillovers from Renewable energy Technologies, Lessons from patent citations

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Abstract

This paper studies the knowledge spillovers generated by renewable energy technologies, unraveling the technological fields that benefit from knowledge developed in storage, solar, wind, marine, hydropower, geothermal, waste and biomass energy technologies. Using citation data of patents in renewable technologies at 17 European countries over the 1978-2006 period, the analysis examines the relative importance of knowledge flows within the same specific technological field (intra-technology spillovers), to other technologies in the field of power-generation (inter-technology spillovers), and to technologies unrelated to power-generation (external-technology spillovers). The results show significant differences across various renewable technologies. While wind technologies mainly find applications within their own technological field, a large share of innovations in solar energy and storage technologies find applications outside the field of power generation, suggesting that solar technologies are more general and, therefore, may have a higher value for society. Finally, the knowledge from waste and biomass technologies is mainly exploited by fossil-fuel power-generating technologies. The paper discusses the implications of these results for the design of R&D policies for renewable energy innovation.

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  • Joelle Noailly & Victoria Shestalova, 2013. "Knowledge Spillovers from Renewable energy Technologies, Lessons from patent citations," CIES Research Paper series 22-2013, Centre for International Environmental Studies, The Graduate Institute.
    • Handle: RePEc:gii:ciesrp:cies_rp_22
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    Cited by:

    1. Lennox, James A. & Witajewski-Baltvilks, Jan, 2017. "Directed technical change with capital-embodied technologies: Implications for climate policy," Energy Economics, Elsevier, vol. 67(C), pages 400-409.
    2. Geraldine Ang & Dirk Röttgers & Pralhad Burli, 2017. "The empirics of enabling investment and innovation in renewable energy," OECD Environment Working Papers 123, OECD Publishing.
    3. Paul Lehmann & Patrik Söderholm, 2018. "Can Technology-Specific Deployment Policies Be Cost-Effective? The Case of Renewable Energy Support Schemes," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 71(2), pages 475-505, October.
    4. Conti, C. & Mancusi, M.L. & Sanna-Randaccio, F. & Sestini, R. & Verdolini, E., 2018. "Transition towards a green economy in Europe: Innovation and knowledge integration in the renewable energy sector," Research Policy, Elsevier, vol. 47(10), pages 1996-2009.
    5. Subtil Lacerda, Juliana & van den Bergh, Jeroen C.J.M., 2020. "Effectiveness of an ‘open innovation’ approach in renewable energy: Empirical evidence from a survey on solar and wind power," Renewable and Sustainable Energy Reviews, Elsevier, vol. 118(C).
    6. Battke, Benedikt & Schmidt, Tobias S. & Stollenwerk, Stephan & Hoffmann, Volker H., 2016. "Internal or external spillovers—Which kind of knowledge is more likely to flow within or across technologies," Research Policy, Elsevier, vol. 45(1), pages 27-41.
    7. Ion ANTONESCU, 2015. "Premises For Creating The Database And Knowledge Base Of An Expert System For Dynamic Management Of Renewable Energy Resources Under Uncertainty Conditions," THE YEARBOOK OF THE "GH. ZANE" INSTITUTE OF ECONOMIC RESEARCHES, Gheorghe Zane Institute for Economic and Social Research ( from THE ROMANIAN ACADEMY, JASSY BRANCH), vol. 24(1), pages 87-94.
    8. Gawel, Erik & Lehmann, Paul & Purkus, Alexandra & Söderholm, Patrik & Witte, Katherina, 2016. "The rationales for technology-specific renewable energy support: Conceptual arguments and their relevance for Germany," UFZ Discussion Papers 4/2016, Helmholtz Centre for Environmental Research (UFZ), Division of Social Sciences (ÖKUS).
    9. Antoine Dechezleprêtre & Ralf Martin & Myra Mohnen, 2014. "Knowledge Spillovers from Clean and Dirty Technologies," CEP Discussion Papers dp1300, Centre for Economic Performance, LSE.
    10. Subtil Lacerda, Juliana & van den Bergh, Jeroen C.J.M., 2016. "Diversity in solar photovoltaic energy: Implications for innovation and policy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 331-340.
    11. Maïder SAINT-JEAN & Nabila ARFAOUI & Eric BROUILLAT & David VIRAPIN, 2019. "Mapping technological knowledge patterns: evidence from ocean energy technologies," Cahiers du GREThA 2019-09, Groupe de Recherche en Economie Théorique et Appliquée(GREThA).
    12. Aalbers, Rob & Shestalova, Victoria & Kocsis, Viktória, 2013. "Innovation policy for directing technical change in the power sector," Energy Policy, Elsevier, vol. 63(C), pages 1240-1250.
    13. Gawel, Erik & Lehmann, Paul & Purkus, Alexandra & Söderholm, Patrik & Witte, Katherina, 2017. "Rationales for technology-specific RES support and their relevance for German policy," Energy Policy, Elsevier, vol. 102(C), pages 16-26.

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    Keywords

    Renewable energy; innovation; patents; knowledge spillovers; technology policy.;
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