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CO2 Abatement from RES Injections in the German Electricity Sector: Does a CO2 Price Help?

  • Ellerman Denny
  • Delarue Erik
  • Hannes Weigt

    ()

    (University of Basel)

The overlapping impact of the Emission Trading System (ETS) and renewable energy (RE) deployment targets creates a classic case of interaction effects. Whereas the price interaction is widely recognized and has been thoroughly discussed, the effect of an overlapping instrument on the abatement attributable to an instrument has gained little attention. This paper estimates the actual reduction in demand for European Union Allowances that has occurred due to RE deployment focusing on the German electricity sector, for the five years 2006 through 2010. Based on a unit commitment model we estimate that CO2 emissions from the electricity sector are reduced by 33 to 57 Mtons, or 10% to 16% of what estimated emissions would have been without any RE policy. Furthermore, we find that the abatement attributable to RE injections is greater in the presence of an allowance price than otherwise. The same holds for the ETS effect in presence of RE injection. T his interaction effect is consistently positive for the German electricity system, at least for these years, and on the order of 0.5% to 1.5% of emissions.

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Paper provided by Faculty of Business and Economics - University of Basel in its series Working papers with number 2012/14.

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Date of creation: 2012
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Handle: RePEc:bsl:wpaper:2012/14
Contact details of provider: Postal: Peter-Merian-Weg 6, Postfach, CH-4002 Basel
Web page: http://wwz.unibas.ch
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  1. Morthorst, P. E., 2001. "Interactions of a tradable green certificate market with a tradable permits market," Energy Policy, Elsevier, vol. 29(5), pages 345-353, April.
  2. Jensen, Stine Grenaa & Skytte, Klaus, 2003. "Simultaneous attainment of energy goals by means of green certificates and emission permits," Energy Policy, Elsevier, vol. 31(1), pages 63-71, January.
  3. A. Ellerman & Barbara Buchner, 2008. "Over-Allocation or Abatement? A Preliminary Analysis of the EU ETS Based on the 2005–06 Emissions Data," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 41(2), pages 267-287, October.
  4. Klaus Skytte, 2006. "Interplay between Environmental Regulation and Power Markets," EUI-RSCAS Working Papers 4, European University Institute (EUI), Robert Schuman Centre of Advanced Studies (RSCAS).
  5. De Jonghe, Cedric & Delarue, Erik & Belmans, Ronnie & D'haeseleer, William, 2009. "Interactions between measures for the support of electricity from renewable energy sources and CO2 mitigation," Energy Policy, Elsevier, vol. 37(11), pages 4743-4752, November.
  6. Daniel T. Kaffine & Brannin J. McBee & Jozef Lieskovsky, 2012. "Emissions savings from wind power generation: Evidence from Texas, California and the Upper Midwest," Working Papers 2012-03, Colorado School of Mines, Division of Economics and Business.
  7. Weigt, Hannes, 2009. "Germany's wind energy: The potential for fossil capacity replacement and cost saving," Applied Energy, Elsevier, vol. 86(10), pages 1857-1863, October.
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