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The impact of increased interconnection on electricity systems with large penetrations of wind generation: A case study of Ireland and Great Britain

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Author Info

  • Denny, E.
  • Tuohy, A.
  • Meibom, P.
  • Keane, A.
  • Flynn, D.
  • Mullane, A.
  • O'Malley, M.

Abstract

Increased interconnection has been highlighted as potentially facilitating the integration of wind generation in power systems by increasing the flexibility to balance the variable wind output. This paper utilizes a stochastic unit commitment model to simulate the impacts of increased interconnection for the island of Ireland with large penetrations of wind generation. The results suggest that increased interconnection should reduce average prices in Ireland, and the variability of those prices. The simulations also suggest that while increased interconnection may reduce carbon dioxide emissions in Ireland, Great Britain would experience an increase in emissions, resulting in total emissions remaining almost unchanged. The studies suggest that increased interconnection would not reduce excess wind generation. This is because under unit commitment techniques which incorporate wind power forecasts in the scheduling decisions, wind curtailment is minimal even with low levels of interconnection. As would be expected an increase in interconnection should improve system adequacy considerably with a significant reduction in the number of hours when the load and reserve constraints are not met.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Policy.

Volume (Year): 38 (2010)
Issue (Month): 11 (November)
Pages: 6946-6954

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Handle: RePEc:eee:enepol:v:38:y:2010:i:11:p:6946-6954

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Web page: http://www.elsevier.com/locate/enpol

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Keywords: Interconnection Wind power generation Power system operation;

References

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  1. Tuohy, Aidan & Meibom, Peter & Denny, Eleanor & O'Malley, Mark, 2009. "Unit commitment for systems with significant wind penetration," MPRA Paper 34849, University Library of Munich, Germany.
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Cited by:
  1. Ciarreta Antuñano, Aitor & Zárraga Alonso, Ainhoa, 2012. "Analysis of volatility transmissions in integrated and interconnected markets: The case of the Iberian and French markets," BILTOKI Biltoki;2012-04, Universidad del País Vasco - Departamento de Economía Aplicada III (Econometría y Estadística).
  2. Curtis, John & di Cosmo, Valeria & Deane, Paul, 2013. "Climate policy, Interconnection and Carbon Leakage: the Effect of Unilateral UK Policy on Electricity and GHG Emissions in Ireland," Papers WP458, Economic and Social Research Institute (ESRI).
  3. Doorman, Gerard L. & Frøystad, Dag Martin, 2013. "The economic impacts of a submarine HVDC interconnection between Norway and Great Britain," Energy Policy, Elsevier, vol. 60(C), pages 334-344.

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