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How to deal with negative power price spikes?—Flexible voluntary curtailment agreements for large-scale integration of wind


  • Christine Brandstätt
  • Gert Brunekreeft
  • Katy Jahnke


For the large-scale integration of electricity from renewable energy sources (RES-E), the German system seems to reach its limits. In 2009, the electricity wholesale market experienced serious negative prices at times of high wind and low demand. The feed-in system in Germany consists of a fixed feed-in price, a take-off obligation and a RES priority rule, and in practice only very restrictive use of RES-E curtailment. Exactly the latter is the problem. We argue that the overall performance of the system would improve seriously by lifting the restrictions on the use of voluntary curtailment agreements, while retaining the priority rule as such. Since generators of RES-E can only improve under this system reform, investment conditions improve, leading to higher installed RES-E capacity. This in turn implies that reduced wind output due to curtailment can actually be offset by higher wind output in all periods in which there is no problem.

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  • Christine Brandstätt & Gert Brunekreeft & Katy Jahnke, 2010. "How to deal with negative power price spikes?—Flexible voluntary curtailment agreements for large-scale integration of wind," Bremen Energy Working Papers 0004, Bremen Energy Research.
  • Handle: RePEc:bei:00bewp:0004

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    References listed on IDEAS

    1. Hiroux, C. & Saguan, M., 2010. "Large-scale wind power in European electricity markets: Time for revisiting support schemes and market designs?," Energy Policy, Elsevier, vol. 38(7), pages 3135-3145, July.
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    renewable energies; market design; feed-in system;

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