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Wind generation and zonal-market price divergence: Evidence from Texas

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  • Woo, C.K.
  • Zarnikau, J.
  • Moore, J.
  • Horowitz, I.

Abstract

The extant literature on wind generation and wholesale electricity spot prices says little about how wind generation may affect any price differences between two inter-connected sub-markets. Using extensive data from the four ERCOT zones of Texas, this paper develops a two-stage model to attack the issue. The first stage is an ordered-logit regression to identify and quantify, for example, the impact of wind generation in the West zone on the estimated probability of a positive or negative price difference between the North and West zones. The second stage is a log-linear regression model that identifies and quantifies the estimated impact of wind generation on the sizes of those positive and negative price differences. It is shown that high wind generation and low load in the wind-rich ERCOT West zone tend to lead to congestion and zonal price differences, that those differences are time-dependent, and that other factors such as movements in nuclear generation and natural-gas prices, as well as fluctuating non-West zone loads, also play a role. The results have broad implications for energy policy makers that extend well beyond the borders of Texas and, indeed, those of the United States.

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  • 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.
  • Handle: RePEc:eee:enepol:v:39:y:2011:i:7:p:3928-3938
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    Cited by:

    1. 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.
    2. Rahimiyan, Morteza, 2014. "A statistical cognitive model to assess impact of spatially correlated wind production on market behaviors," Applied Energy, Elsevier, vol. 122(C), pages 62-72.
    3. 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).
    4. repec:eee:energy:v:144:y:2018:i:c:p:887-902 is not listed on IDEAS
    5. Arjmand, Reza & Rahimiyan, Morteza, 2016. "Impact of spatio-temporal correlation of wind production on clearing outcomes of a competitive pool market," Renewable Energy, Elsevier, vol. 86(C), pages 216-227.
    6. Woo, C.K. & Sreedharan, P. & Hargreaves, J. & Kahrl, F. & Wang, J. & Horowitz, I., 2014. "A review of electricity product differentiation," Applied Energy, Elsevier, vol. 114(C), pages 262-272.
    7. repec:eee:appene:v:204:y:2017:i:c:p:531-543 is not listed on IDEAS
    8. Adom, Philip Kofi & Insaidoo, Michael & Minlah, Michael Kaku & Abdallah, Abdul-Mumuni, 2017. "Does renewable energy concentration increase the variance/uncertainty in electricity prices in Africa?," Renewable Energy, Elsevier, vol. 107(C), pages 81-100.
    9. Woo, C.K. & Li, R. & Shiu, A. & Horowitz, I., 2013. "Residential winter kWh responsiveness under optional time-varying pricing in British Columbia," Applied Energy, Elsevier, vol. 108(C), pages 288-297.
    10. Faddy Ardian & Silvia Concettini & Anna Creti, 2015. "Intermittent renewable generation and network congestion: an empirical analysis of Italian Power Market," Working Papers hal-01218543, HAL.
    11. Zamani-Dehkordi, Payam & Rakai, Logan & Zareipour, Hamidreza, 2016. "Deciding on the support schemes for upcoming wind farms in competitive electricity markets," Energy, Elsevier, vol. 116(P1), pages 8-19.
    12. Woo, C.K. & Ho, T. & Zarnikau, J. & Olson, A. & Jones, R. & Chait, M. & Horowitz, I. & Wang, J., 2014. "Electricity-market price and nuclear power plant shutdown: Evidence from California," Energy Policy, Elsevier, vol. 73(C), pages 234-244.
    13. Amor, Mourad Ben & Billette de Villemeur, Etienne & Pellat, Marie & Pineau, Pierre-Olivier, 2014. "Influence of wind power on hourly electricity prices and GHG (greenhouse gas) emissions: Evidence that congestion matters from Ontario zonal data," Energy, Elsevier, vol. 66(C), pages 458-469.
    14. Figueiredo, Nuno Carvalho & Silva, Patrícia Pereira da & Cerqueira, Pedro A., 2015. "Evaluating the market splitting determinants: evidence from the Iberian spot electricity prices," Energy Policy, Elsevier, vol. 85(C), pages 218-234.
    15. Jenny Riesz, Joel Gilmore, Iain MacGill, 2016. "Assessing the viability of Energy-Only Markets with 100% Renewables," Economics of Energy & Environmental Policy, International Association for Energy Economics, vol. 0(Number 1).
    16. Gianfreda, Angelica & Parisio, Lucia & Pelagatti, Matteo, 2016. "Revisiting long-run relations in power markets with high RES penetration," Energy Policy, Elsevier, vol. 94(C), pages 432-445.
    17. 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.
    18. Amor, Mourad Ben & Billette de Villemeur, Etienne & Pellat, Marie & Pineau, Pierre-Olivier, 2014. "Influence of wind power on hourly electricity prices and GHG emissions: Evidence that congestion matters from Ontario zonal data," MPRA Paper 53630, University Library of Munich, Germany.
    19. Kaloud, Tobias, 2017. "Renewable Energy Sources and Investment in European Power Transmission Networks," Department of Economics Working Paper Series 5576, WU Vienna University of Economics and Business.
    20. Nogueira, Carlos Eduardo Camargo & Vidotto, Magno Luiz & Niedzialkoski, Rosana Krauss & de Souza, Samuel Nelson Melegari & Chaves, Luiz Inácio & Edwiges, Thiago & Santos, Darlisson Bentes dos & Wernck, 2014. "Sizing and simulation of a photovoltaic-wind energy system using batteries, applied for a small rural property located in the south of Brazil," Renewable and Sustainable Energy Reviews, Elsevier, vol. 29(C), pages 151-157.
    21. Kaloud Tobias, 2017. "Renewable Energy Sources and Investment in European Power Transmission Networks," Department of Economics Working Papers wuwp249, Vienna University of Economics and Business, Department of Economics.
    22. Figueiredo, Nuno Carvalho & Silva, Patrícia Pereira da & Cerqueira, Pedro A., 2016. "It is windy in Denmark: Does market integration suffer?," Energy, Elsevier, vol. 115(P2), pages 1385-1399.

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