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Long-Run Cost Functions for Electricity Transmission

Author

Listed:
  • Juan Rosellón
  • Ingo Vogelsang
  • Hannes Weigt

Abstract

Electricity transmission has become the pivotal industry segment for electricity restructuring. Yet, little is known about the shape of transmission cost functions. Reasons for this can be a lack of consensus about the definition of transmission output and the complexitity of the relationship between optimal grid expansion and output expansion. Knowledge of transmission cost functions could help firms (Transcos) and regulators plan transmission expansion and could help design regulatory incentive mechanisms. We explore transmission cost functions when the transmission output is defined as point-to-point transactions or financial transmission right (FTR) obligations and particularly explore expansion under loop-flows. We test the behavior of FTR-based cost functions for distinct network topologies and find evidence that cost functions defined as FTR outputs are piecewise differentiable and that they contain sections with negative marginal costs. Simulations, however, illustrate that such unusual properties do not stand in the way of applying price-cap incentive mechanisms to real-world transmission expansion.

Suggested Citation

  • Juan Rosellón & Ingo Vogelsang & Hannes Weigt, 2010. "Long-Run Cost Functions for Electricity Transmission," Discussion Papers of DIW Berlin 1020, DIW Berlin, German Institute for Economic Research.
    • Handle: RePEc:diw:diwwpp:dp1020
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    Cited by:

    1. Herrera, Luis Ángel & Rosellón, Juan, 2014. "On distributive effects of optimal regulation for power grid expansion," Energy Policy, Elsevier, vol. 69(C), pages 189-204.
    2. von Hirschhausen, Christian, 2012. "Green electricity investment in Europe: Development scenarios for generation and transmission investments," EIB Working Papers 2012/04, European Investment Bank (EIB).

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    Keywords

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    JEL classification:

    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • L91 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Transportation: 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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