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The Incentive to Invest in Thermal Plants in the Presence of Wind Generation

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  • di Cosmo, Valeria
  • Malaguzzi Valeri, Laura

Abstract

In a deregulated market, the decision to build new thermal power plants rests with private investors and they will decide whether to invest on the basis of expected profits. This paper evaluates how such profits are affected by the increasing presence of wind generation. We use hourly historical data for the Irish Single Electricity Market, a compulsory pool market with capacity payments, and simulate future series of electricity shadow prices, bids of representative plants and wind generation. We estimate the correlation between shadow price and installed wind capacity on the basis of past data, finding a negative correlation. We then evaluate the effects of increased wind capacity on thermal power plants' expected profits. We find that increasing installed wind from the current level of 2000MW to about 3000MW causes a larger decrease in profits for baseload gas plants and a smaller decrease for less flexible coal-fuelled plants. The decrease in profits is of the order of 1 to 2 per cent.

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Bibliographic Info

Paper provided by Economic and Social Research Institute (ESRI) in its series Papers with number WP446.

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Date of creation: Dec 2012
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Handle: RePEc:esr:wpaper:wp446

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Keywords: data/electricity/wind generation;

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  1. Zivot, Eric & Andrews, Donald W K, 2002. "Further Evidence on the Great Crash, the Oil-Price Shock, and the Unit-Root Hypothesis," Journal of Business & Economic Statistics, American Statistical Association, vol. 20(1), pages 25-44, January.
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  5. Traber, Thure & Kemfert, Claudia, 2011. "Gone with the wind? -- Electricity market prices and incentives to invest in thermal power plants under increasing wind energy supply," Energy Economics, Elsevier, vol. 33(2), pages 249-256, March.
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  9. Alfredo Garcia & Juan Alzate & Jorge Barrera, 2012. "Regulatory design and incentives for renewable energy," Journal of Regulatory Economics, Springer, vol. 41(3), pages 315-336, June.
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  11. Devitt, Conor & Malaguzzi Valeri, Laura, 2011. "The Effect of REFIT on Irish Electricity Prices," Papers WP374, Economic and Social Research Institute (ESRI).
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  13. Troy, Niamh & Denny, Eleanor & O'Malley, Mark, 2010. "Base-load cycling on a system with significant wind penetration," MPRA Paper 34848, University Library of Munich, Germany.
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  15. Steggals, Will & Gross, Robert & Heptonstall, Philip, 2011. "Winds of change: How high wind penetrations will affect investment incentives in the GB electricity sector," Energy Policy, Elsevier, vol. 39(3), pages 1389-1396, March.
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Cited by:
  1. Deane, Paul & FitzGerald, John & Malaguzzi Valeri, Laura & Tuohy, Aidan & Walsh, Darragh, 2013. "Irish and British Historical Electricity Prices and Implications for the Future," Papers WP452, Economic and Social Research Institute (ESRI).

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