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Did the introduction of a nodal market structure impact wholesale electricity prices in the Texas (ERCOT) market?

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  • J. Zarnikau
  • C. Woo
  • R. Baldick

Abstract

Regression analysis suggests that zonal averages of locational marginal prices under the nodal market are about 2 % lower than the balancing energy prices that would occur under the previous zonal market structure in ERCOT. The estimates for the nodal market price effects are found after controlling for such factors as natural gas prices, total system load levels, non-dispatchable generation levels, the treatment of local congestion costs, and the treatment of the revenues received by the market from the auctioning of transmission rights. Our finding is limited to periods which are not characterized by price spikes in the wholesale market. Copyright Springer Science+Business Media New York 2014

Suggested Citation

  • J. Zarnikau & C. Woo & R. Baldick, 2014. "Did the introduction of a nodal market structure impact wholesale electricity prices in the Texas (ERCOT) market?," Journal of Regulatory Economics, Springer, vol. 45(2), pages 194-208, April.
    • Handle: RePEc:kap:regeco:v:45:y:2014:i:2:p:194-208
    DOI: 10.1007/s11149-013-9240-9
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    References listed on IDEAS

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    1. Chi-Keung Woo, Ira Horowitz, Brian Horii, Ren Orans, and Jay Zarnikau, 2012. "Blowing in the Wind: Vanishing Payoffs of a Tolling Agreement for Natural-gas-fired Generation of Electricity in Texas," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1).
    2. Woo, C.K. & Zarnikau, J. & Moore, J. & Horowitz, I., 2011. "Wind generation and zonal-market price divergence: Evidence from Texas," Energy Policy, Elsevier, vol. 39(7), pages 3928-3938, July.
    3. Richard Green, 2007. "Nodal pricing of electricity: how much does it cost to get it wrong?," Journal of Regulatory Economics, Springer, vol. 31(2), pages 125-149, April.
    4. Woo, C.K. & Horowitz, I. & Moore, J. & Pacheco, A., 2011. "The impact of wind generation on the electricity spot-market price level and variance: The Texas experience," Energy Policy, Elsevier, vol. 39(7), pages 3939-3944, July.
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    Cited by:

    1. Woo, C.K. & Milstein, I. & Tishler, A. & Zarnikau, J., 2019. "A wholesale electricity market design sans missing money and price manipulation," Energy Policy, Elsevier, vol. 134(C).
    2. Holmberg, Pär & Tangerås, Thomas & Ahlqvist, Victor, 2018. "Central- versus Self-Dispatch in Electricity Markets," Working Paper Series 1257, Research Institute of Industrial Economics, revised 27 Mar 2019.
    3. Lynch, Muireann Á. & Longoria, Genora & Curtis, John, 2021. "Future market design options for electricity markets with high RES-E: lessons from the Irish Single Electricity Market," Papers WP702, Economic and Social Research Institute (ESRI).
    4. Eicke, Anselm & Schittekatte, Tim, 2022. "Fighting the wrong battle? A critical assessment of arguments against nodal electricity prices in the European debate," Energy Policy, Elsevier, vol. 170(C).
    5. Katzen, Matthew & Leslie, Gordon W., 2024. "Siting and operating incentives in electrical networks: A study of mispricing in zonal markets," International Journal of Industrial Organization, Elsevier, vol. 94(C).
    6. Woo, C.K. & Shiu, A. & Liu, Y. & Luo, X. & Zarnikau, J., 2018. "Consumption effects of an electricity decarbonization policy: Hong Kong," Energy, Elsevier, vol. 144(C), pages 887-902.
    7. Zarnikau, J. & Woo, C.K. & Zhu, S. & Tsai, C.H., 2019. "Market price behavior of wholesale electricity products: Texas," Energy Policy, Elsevier, vol. 125(C), pages 418-428.
    8. Chi-Keung Woo & Jay Zarnikau & Asher Tishler & Kang Hua Cao, 2022. "Insuring a Small Retail Electric Provider’s Procurement Cost Risk in Texas," Energies, MDPI, vol. 16(1), pages 1-12, December.
    9. Zarnikau, J. & Zhu, S. & Woo, C.K. & Tsai, C.H., 2020. "Texas's operating reserve demand curve's generation investment incentive," Energy Policy, Elsevier, vol. 137(C).
    10. Cao, K.H. & Qi, H.S. & Tsai, C.H. & Woo, C.K. & Zarnikau, J., 2021. "Energy trading efficiency in the US Midcontinent electricity markets," Applied Energy, Elsevier, vol. 302(C).
    11. Woo, C.K. & Moore, J. & Schneiderman, B. & Ho, T. & Olson, A. & Alagappan, L. & Chawla, K. & Toyama, N. & Zarnikau, J., 2016. "Merit-order effects of renewable energy and price divergence in California’s day-ahead and real-time electricity markets," Energy Policy, Elsevier, vol. 92(C), pages 299-312.
    12. Sreedharan, P. & Farbes, J. & Cutter, E. & Woo, C.K. & Wang, J., 2016. "Microgrid and renewable generation integration: University of California, San Diego," Applied Energy, Elsevier, vol. 169(C), pages 709-720.
    13. Woo, C.K. & Zarnikau, J., 2019. "Renewable energy's vanishing premium in Texas's retail electricity pricing plans," Energy Policy, Elsevier, vol. 132(C), pages 764-770.
    14. Ajanaku, Bolarinwa A. & Collins, Alan R., 2024. "“Comparing merit order effects of wind penetration across wholesale electricity markets”," Renewable Energy, Elsevier, vol. 226(C).
    15. David P. Brown & Jay Zarnikau & Chi-Keung Woo, 2020. "Does locational marginal pricing impact generation investment location decisions? An analysis of Texas’s wholesale electricity market," Journal of Regulatory Economics, Springer, vol. 58(2), pages 99-140, December.
    16. Neuhoff, Karsten & Richstein, Jörn C. & Kröger, Mats, 2023. "Reacting to changing paradigms: How and why to reform electricity markets," Energy Policy, Elsevier, vol. 180(C).
    17. Triolo, Ryan C. & Wolak, Frank A., 2022. "Quantifying the benefits of a nodal market design in the Texas electricity market," Energy Economics, Elsevier, vol. 112(C).
    18. Damien, Paul & Fuentes-García, Ruth & Mena, Ramsés H. & Zarnikau, Jay, 2019. "Impacts of day-ahead versus real-time market prices on wholesale electricity demand in Texas," Energy Economics, Elsevier, vol. 81(C), pages 259-272.
    19. Woo, C.K. & Chen, Y. & Olson, A. & Moore, J. & Schlag, N. & Ong, A. & Ho, T., 2017. "Electricity price behavior and carbon trading: New evidence from California," Applied Energy, Elsevier, vol. 204(C), pages 531-543.
    20. Tsai, Chen-Hao & Eryilmaz, Derya, 2018. "Effect of wind generation on ERCOT nodal prices," Energy Economics, Elsevier, vol. 76(C), pages 21-33.
    21. Karsten Neuhoff & Jörn C. Richstein & Mats Kröger, 2023. "Reacting to Changing Paradigms: How and Why to Reform Electricity Markets," DIW Berlin: Politikberatung kompakt, DIW Berlin, German Institute for Economic Research, volume 127, number pbk189.
    22. Brehm, Paul A. & Zhang, Yiyuan, 2021. "The efficiency and environmental impacts of market organization: Evidence from the Texas electricity market," Energy Economics, Elsevier, vol. 101(C).
    23. Zarnikau, J. & Cao, K.H. & Qi, H.S. & Woo, C.K., 2023. "Has retail competition reduced residential electricity prices in Texas?," Utilities Policy, Elsevier, vol. 84(C).
    24. Brian Rivard & Adonis Yatchew, 2016. "Integration of Renewables into the Ontario Electricity System," The Energy Journal, , vol. 37(2_suppl), pages 221-242, June.

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    More about this item

    Keywords

    Electricity market restructuring; Deregulation; Locational marginal pricing; ERCOT; L51; L11; L94; Q48;
    All these keywords.

    JEL classification:

    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy

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