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A Welfare Analysis of the Electricity Transmission Regulatory Regime in Germany

Author

Listed:
  • Claudia Kemfert
  • Friedrich Kunz
  • Juan Rosellón

Abstract

We analyze the current regulatory regime for electricity transmission in Germany, which combines network planning with both cost-plus and revenue-cap regulations. After reviewing international experiences on transmission investment, we first make a qualitative assessment of the overall German regime. The German TSOs have in general incentives to overinvest and inefficiently inflate costs. We further develop two models to analyze the transmission planning process. In the first model there is no trade-off between transmission expansion and generation dispatch. This is a modeling set-up similar to the one actually used in the German transmission planning (Netzentwicklungsplan). A second model alternatively allows for such a trade-off, and thus represents an optimal way of transmission network planning. Simulations with the two models are carried out and compared so as to illustrate the amount of excessive transmission capacity investment and welfare losses associated with the current regime.

Suggested Citation

  • Claudia Kemfert & Friedrich Kunz & Juan Rosellón, 2015. "A Welfare Analysis of the Electricity Transmission Regulatory Regime in Germany," Discussion Papers of DIW Berlin 1492, DIW Berlin, German Institute for Economic Research.
    • Handle: RePEc:diw:diwwpp:dp1492
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    File URL: https://www.diw.de/documents/publikationen/73/diw_01.c.510518.de/dp1492.pdf
    Download Restriction: Published in: Energy Policy 94 (2016), S. 446-452
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    References listed on IDEAS

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    1. Juan Rosellón & Hannes Weigt, 2011. "A Dynamic Incentive Mechanism for Transmission Expansion in Electricity Networks: Theory, Modeling, and Application," The Energy Journal, , vol. 32(1), pages 119-148, January.
    2. Egerer, Jonas & Rosellón, Juan & Schill, Wolf-Peter, 2015. "Power System Transformation toward Renewables: An Evaluation of Regulatory Approaches for Network Expansion," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 36(4), pages 105-128.
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    4. repec:aen:journl:eeep3_2_03egerer is not listed on IDEAS
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    7. Dagobert Brito & Juan Rosellón, 2011. "Lumpy Investment in Regulated Natural Gas Pipelines: An Application of the Theory of the Second Best," Networks and Spatial Economics, Springer, vol. 11(3), pages 533-553, September.
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    13. Schill, Wolf-Peter & Egerer, Jonas & Rosellón, Juan, 2015. "Testing Regulatory Regimes for Power Transmission Expansion with Fluctuating Demand and Wind Generation," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 47(1), pages 1-28.
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    18. Tarjei Kristiansen & Juan Rosellón, 2006. "A Merchant Mechanism for Electricity Transmission Expansion," Journal of Regulatory Economics, Springer, vol. 29(2), pages 167-193, March.
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    Cited by:

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    More about this item

    Keywords

    Transmission planning; nodal prices; congestion management; electricity; Germany.;
    All these keywords.

    JEL classification:

    • L50 - Industrial Organization - - Regulation and Industrial Policy - - - General
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General

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