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Support mechanisms for renewables: How risk exposure influences investment incentives

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  • Lena Kitzing
  • Christoph Weber

    (Chair for Management Sciences and Energy Economics, University of Duisburg-Essen)

Abstract

We analyse quantitatively how risk exposure from different support mechanisms, such as feed-in tariffs and premiums, can influence the investment incentives for private investors. We develop a net cash flow approach that takes systematic and unsystematic risks into account through cost of capital and the Capital Asset Pricing Model as well as through active liquidity management. Applying the model to a specific case, a German offshore wind park, we find that the support levels required to give adequate investment incentives are for a feed-in tariff scheme approximately 5-7% lower than for a feed-in premium scheme. The effect of differences in risk exposure from the support schemes is significant and cannot be neglected in policy making, especially when deciding between support instruments or when determining adequate support levels.

Suggested Citation

  • Lena Kitzing & Christoph Weber, "undated". "Support mechanisms for renewables: How risk exposure influences investment incentives," EWL Working Papers 1403, University of Duisburg-Essen, Chair for Management Science and Energy Economics, revised Aug 2014.
    • Handle: RePEc:dui:wpaper:1403
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    References listed on IDEAS

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    Cited by:

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    2. Karsten Neuhoff & Nils May & Jörn C. Richstein, 2018. "Renewable Energy Policy in the Age of Falling Technology Costs," Discussion Papers of DIW Berlin 1746, DIW Berlin, German Institute for Economic Research.
    3. Hastings-Simon, Sara & Leach, Andrew & Shaffer, Blake & Weis, Tim, 2022. "Alberta's Renewable Electricity Program: Design, results, and lessons learned," Energy Policy, Elsevier, vol. 171(C).
    4. Steffen, Bjarne, 2020. "Estimating the cost of capital for renewable energy projects," Energy Economics, Elsevier, vol. 88(C).
    5. Lone Werner & Bert Scholtens, 2017. "Firm Type, Feed-in Tariff, and Wind Energy Investment in Germany: An Investigation of Decision Making Factors of Energy Producers Regarding Investing in Wind Energy Capacity," Journal of Industrial Ecology, Yale University, vol. 21(2), pages 402-411, April.
    6. Ulrich J. Frey & Martin Klein & Kristina Nienhaus & Christoph Schimeczek, 2020. "Self-Reinforcing Electricity Price Dynamics under the Variable Market Premium Scheme," Energies, MDPI, vol. 13(20), pages 1-19, October.
    7. Polzin, Friedemann & Egli, Florian & Steffen, Bjarne & Schmidt, Tobias S., 2019. "How do policies mobilize private finance for renewable energy?—A systematic review with an investor perspective," Applied Energy, Elsevier, vol. 236(C), pages 1249-1268.

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    More about this item

    Keywords

    investment risk; support policies; unsystematic risk; liquidity management; offshore wind; feed-in tariffs;
    All these keywords.

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