Reduction of CO2 emissions due to wind energy - methods and issues in estimating operational emission reductions

Hannele Holttinen, Juha Kiviluoma, John McCann, Matthew Clancy, Michael Millgan, Ivan Pineda, Peter Børre Eriksen, Antje Orths, Ove Wolfgang

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)


This paper presents ways of estimating CO2 reductions of wind power using different methodologies. Estimates based on historical data have more pitfalls in methodology than estimates based on dispatch simulations. Taking into account exchange of electricity with neighboring regions is challenging for all methods. Results for CO2 emission reductions are shown from several countries. Wind power will reduce emissions for about 0.3-0.4 MtCO2/MWh when replacing mainly gas and up to 0.7 MtCO2/MWh when replacing mainly coal powered generation. The paper focuses on CO2 emissions from power system operation phase, but long term impacts are shortly discussed.
Original languageEnglish
Title of host publicationPower & Energy Society General Meeting, 2015 IEEE
PublisherIEEE Institute of Electrical and Electronic Engineers
ISBN (Electronic)978-1-4673-8040-9
Publication statusPublished - 2015
MoE publication typeA4 Article in a conference publication
EventIEEE Power and Energy Society General Meeting - Denver, United States
Duration: 26 Jul 201530 Jul 2015


OtherIEEE Power and Energy Society General Meeting
Abbreviated titlePES
Country/TerritoryUnited States


  • wind energy
  • wind power generation
  • fuels,
  • emissions
  • power generation
  • power system simulation
  • power generation dispatch
  • wind energy integration


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