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Considering investment resources when assessing potential CO2 reductions of CHP - a case study
Linköping University, Department of Management and Engineering. Linköping University, Faculty of Science & Engineering. Tekniska Verken Linköping AB Publ, Linkoping, Sweden.
Linköping University, Department of Management and Engineering. Linköping University, Faculty of Science & Engineering. Tekniska Verken Linköping AB Publ, Linkoping, Sweden.
Linköping University, Department of Management and Engineering, Energy Systems. Linköping University, Faculty of Science & Engineering.
2017 (English)In: 15TH INTERNATIONAL SYMPOSIUM ON DISTRICT HEATING AND COOLING (DHC15-2016), ELSEVIER SCIENCE BV , 2017, Vol. 116, 273-284 p.Conference paper, Published paper (Refereed)
Abstract [en]

Combined heat and power (CHP) can increase electricity production efficiency and decrease global CO2 emissions. Studies have shown large unrealised economic CHP investment potentials. An assessment of profitable CO2 reduction based solely on net present value (NPV) implicitly assumes unlimited investment resources. This study analysed the impact of the assumption of unlimited/limited investment resources on the assessment of profitable reduction potential of global CO2 emissions due to CHP investment. The correlation between changes in direct and global fossil CO2 emissions was also analysed. This was done by evaluating alternative CHP and heat-only boiler investments in a district heating system. When investment resources were unlimited, NPV was used to determine whether an investment was profitable and to rank the profitability of the investment. When investment resources were limited, equivalent annual annuity ratio (EAAR) was used to rank the investments profitability and determine whether its level of profitability was acceptable. The results showed that the profitability ranking of an investment can change depending on whether investment resources are considered unlimited or limited. Moreover, an investment with positive NPV may be regarded as insufficiently profitable when investment resources are limited. This could have an important impact on profitable CO2 reduction potential. Furthermore, when CHP investments are considered, local views on CO2 emissions may be counterproductive for global CO2 emission reductions. (C) 2017 The Authors. Published by Elsevier Ltd.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2017. Vol. 116, 273-284 p.
Series
Energy Procedia, ISSN 1876-6102
Keyword [en]
CHP; district heating; CO2 emissions; GHG; reduction potential; investment resource
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:liu:diva-140076DOI: 10.1016/j.egypro.2017.05.074ISI: 000406743000025OAI: oai:DiVA.org:liu-140076DiVA: diva2:1136582
Conference
15th International Symposium on District Heating and Cooling (DHC)
Note

Funding Agencies|Tekniska verken i Linkoping AB

Available from: 2017-08-28 Created: 2017-08-28 Last updated: 2017-08-28

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
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