Feasibility comparison of bioenergy and CO2 capture and storage in a large combined heat, power and cooling system

Eemeli Tsupari, Timo Arponen, Ville Hankalin, Janne Kärki, Sampo Kouri

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Heating and cooling is responsible for almost 50% of the final energy demand in Europe. One of the most developed combined heat, power and cooling (CHPC) systems in the world exists in Helsinki, Finland, operated by Helen Ltd. As one option for significant reductions in direct CO 2 emissions from Helen's fleet, this paper presents case studies for different options regarding a multifuel CHP plant planned for Helsinki. The studied cases include coal firing, co-firing high proportion of forest residues with coal, applying post-combustion CCS for coal firing, and combination of CCS and biomass co-firing. The cases are compared in different market situations in terms of the operation and profitability of the plant portfolio. The results highlight the sensitivities of economic feasibility on different market prices. With the default values assumed, the co-firing case is about as profitable as coal firing solely at present price of CO 2 allowances. If CO 2 price increases, co-firing becomes the most feasible option until the combination of co-firing and CCS becomes the most feasible option if the price of CO 2 allowance is high. However, this would require recognising bio-CCS, and the “negative” CO 2 emissions it generates, in the regulations of EU Emissions Trading System.

Original languageEnglish
Pages (from-to)1040-1051
Number of pages12
JournalEnergy
Volume139
DOIs
Publication statusPublished - 15 Nov 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Cooling systems
Coal
Profitability
Biomass
Cooling
Heating
Economics
Hot Temperature

Keywords

  • bio-CCS
  • bioenergy
  • co-generation
  • CO2 capture
  • combined heat power and cooling
  • economic feasibility
  • CO capture

Cite this

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title = "Feasibility comparison of bioenergy and CO2 capture and storage in a large combined heat, power and cooling system",
abstract = "Heating and cooling is responsible for almost 50{\%} of the final energy demand in Europe. One of the most developed combined heat, power and cooling (CHPC) systems in the world exists in Helsinki, Finland, operated by Helen Ltd. As one option for significant reductions in direct CO 2 emissions from Helen's fleet, this paper presents case studies for different options regarding a multifuel CHP plant planned for Helsinki. The studied cases include coal firing, co-firing high proportion of forest residues with coal, applying post-combustion CCS for coal firing, and combination of CCS and biomass co-firing. The cases are compared in different market situations in terms of the operation and profitability of the plant portfolio. The results highlight the sensitivities of economic feasibility on different market prices. With the default values assumed, the co-firing case is about as profitable as coal firing solely at present price of CO 2 allowances. If CO 2 price increases, co-firing becomes the most feasible option until the combination of co-firing and CCS becomes the most feasible option if the price of CO 2 allowance is high. However, this would require recognising bio-CCS, and the “negative” CO 2 emissions it generates, in the regulations of EU Emissions Trading System.",
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Feasibility comparison of bioenergy and CO2 capture and storage in a large combined heat, power and cooling system. / Tsupari, Eemeli; Arponen, Timo; Hankalin, Ville; Kärki, Janne; Kouri, Sampo.

In: Energy, Vol. 139, 15.11.2017, p. 1040-1051.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Kouri, Sampo

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