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Regulated Expansion of Electricity Transmission Networks: The Effects of Fluctuating Demand and Wind Generation

  • Wolf-Peter Schill
  • Juan Rosellón
  • Jonas Egerer

We study the performance of different regulatory approaches for the expansion of electricity transmission networks in the light of realistic demand patterns and fluctuating wind power. In particular, we are interested in the relative performance of a combined merchant-regulatory mechanism compared to a cost-based and a merchant-like approach. In contrast to earlier research, we explicitly include both an hourly time resolution and fluctuating wind power, which allows representing demand in a very realistic way. This substantially increases the real-world applicability of results compared to previous analyses, which were based on simplifying assumptions. We show that a combined merchant-regulatory regulation, which draws on a cap over the two-part tariff of the Transco, leads to welfare outcomes far superior to the modeled alternatives. This result proves to be robust over a range of different cases and sensitivity analyses. We also find that the intertemporal rebalancing of the two-part tariff carried out by the Transco so as to expand the network is such that the fixed tariff part turns out to be relatively large compared to extension costs.

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File URL: http://www.diw.de/documents/publikationen/73/diw_01.c.368871.de/dp1109.pdf
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Paper provided by DIW Berlin, German Institute for Economic Research in its series Discussion Papers of DIW Berlin with number 1109.

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Length: 29 p.
Date of creation: 2011
Date of revision:
Handle: RePEc:diw:diwwpp:dp1109
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  1. Enzo Sauma & Shmuel Oren, 2006. "Proactive planning and valuation of transmission investments in restructured electricity markets," Journal of Regulatory Economics, Springer, vol. 30(3), pages 261-290, November.
  2. Juan Rosellón & Hannes Weigt, 2010. "A Dynamic Incentive Mechanism for Transmission Expansion in Electricity Networks: Theory, Modeling, and Application," Discussion Papers of DIW Berlin 1019, DIW Berlin, German Institute for Economic Research.
  3. Paul Joskow & Jean Tirole, 2005. "Merchant Transmission Investment," Journal of Industrial Economics, Wiley Blackwell, vol. 53(2), pages 233-264, 06.
  4. Bushnell, James B. & Stoft, Steven E., 1997. "Improving private incentives for electric grid investment," Resource and Energy Economics, Elsevier, vol. 19(1-2), pages 85-108, March.
  5. Thomas-Olivier Leautier, 2000. "Regulation of an Electric Power Transmission Company," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 61-92.
  6. Thomas-Olivier Léautier & Véronique Thelen, 2009. "Optimal expansion of the power transmission grid: why not?," Journal of Regulatory Economics, Springer, vol. 36(2), pages 127-153, October.
  7. Tarjei Kristiansen & Juan Rosellón, 2010. "Merchant Electricity Transmission Expansion: A European Case Study," Discussion Papers of DIW Berlin 1028, DIW Berlin, German Institute for Economic Research.
  8. Wu, Felix, et al, 1996. "Folk Theorems on Transmission Access: Proofs and Counterexamples," Journal of Regulatory Economics, Springer, vol. 10(1), pages 5-23, July.
  9. Makoto Tanaka, 2007. "Extended Price Cap Mechanism for Efficient Transmission Expansion under Nodal Pricing," Networks and Spatial Economics, Springer, vol. 7(3), pages 257-275, September.
  10. Federico Boffa & Viswanath Pingali, 2008. "MIncreasing Market Interconnection: an analysis of the Italian Electricity Spot Market," Working Papers 17-2008, Macerata University, Department of Studies on Economic Development (DiSSE), revised Nov 2008.
  11. Jonas Egerer and Wolf-Peter Schill, 2014. "Power System Transformation toward Renewables: Investment Scenarios for Germany," Economics of Energy & Environmental Policy, International Association for Energy Economics, vol. 0(Number 2).
  12. Florian Leuthold & Hannes Weigt & Christian Hirschhausen, 2012. "A Large-Scale Spatial Optimization Model of the European Electricity Market," Networks and Spatial Economics, Springer, vol. 12(1), pages 75-107, March.
  13. Rosellón, Juan & Vogelsang, Ingo & Weigt, Hannes, 2009. "Long-run Cost Functions for Electricity Transmission," MPRA Paper 22842, University Library of Munich, Germany.
  14. Francisco Munoz & Enzo Sauma & Benjamin Hobbs, 2013. "Approximations in power transmission planning: implications for the cost and performance of renewable portfolio standards," Journal of Regulatory Economics, Springer, vol. 43(3), pages 305-338, June.
  15. Mark Armstrong & Simon Cowan & John Vickers, 1994. "Regulatory Reform: Economic Analysis and British Experience," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262510790, June.
  16. Crew, Michael A & Fernando, Chitru S & Kleindorfer, Paul R, 1995. "The Theory of Peak-Load Pricing: A Survey," Journal of Regulatory Economics, Springer, vol. 8(3), pages 215-48, November.
  17. Tarjei Kristiansen & Juan Rosellón, 2006. "A Merchant Mechanism for Electricity Transmission Expansion," Journal of Regulatory Economics, Springer, vol. 29(2), pages 167-193, 03.
  18. Ingo Vogelsang, 2006. "Electricity Transmission Pricing and Performance-based Regulation," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 97-126.
  19. Wolf-Peter Schill, 2013. "Residual Load, Renewable Surplus Generation and Storage Requirements in Germany," Discussion Papers of DIW Berlin 1316, DIW Berlin, German Institute for Economic Research.
  20. Vogelsang, Ingo, 2001. "Price Regulation for Independent Transmission Companies," Journal of Regulatory Economics, Springer, vol. 20(2), pages 141-65, September.
  21. Enzo Sauma & Shmuel Oren, 2006. "Proactive planning and valuation of transmission investments in restructured electricity markets," Journal of Regulatory Economics, Springer, vol. 30(3), pages 358-387, November.
  22. Neuhoff, Karsten & Barquin, Julian & Boots, Maroeska G. & Ehrenmann, Andreas & Hobbs, Benjamin F. & Rijkers, Fieke A.M. & Vazquez, Miguel, 2005. "Network-constrained Cournot models of liberalized electricity markets: the devil is in the details," Energy Economics, Elsevier, vol. 27(3), pages 495-525, May.
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