Pathways for the European electricity supply system to 2050—The role of CCS to meet stringent CO2 reduction targets

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Pathways for the European electricity supply system to 2050—The role of CCS to meet stringent CO2 reduction targets

Odenberger, Mikael, 1977 (författare): Chalmers tekniska högskola,Chalmers University of Technology

Johnsson, Filip, 1960 (författare): Chalmers tekniska högskola,Chalmers University of Technology

(creator_code:org_t)

Elsevier BV, 2010
2010
Engelska.
Ingår i: International Journal of Greenhouse Gas Control. - : Elsevier BV. - 1750-5836. ; 4:2, s. 327-340

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://research.cha...; https://doi.org/10.1...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

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This paper investigates the role of CCS technologies as part of a portfolio for reducing CO2 emissions fromthe European electricity supply system until the year 2050. The analysis is carried out with the aid of atechno-economic model (with the objective to minimize the total system cost) including a detaileddescription of the present stationary European electricity supply system (power plants) and potentialCO2 storage sites as obtained from the Chalmers Energy Infrastructure databases. The ability of differentEU Member States and regions to facilitate and to benefit from CCS will most likely depend on localconditions in terms of current energy mix, fuel supply chains and distance to suitable storage locations.Special emphasis is therefore put on analyzing turn-over in capital stock of the existing power plantinfrastructure, timing of investments and the infrastructural implications of large scale introduction ofCCS on a regional perspective. The paper discusses the role of and the requirements on CCS for meetingstrict CO2 emission reduction targets of 85% reduction from power generation by 2050 relative 1990emissions in three different scenarios. All analysed scenarios apply the same cap on CO2 emissions. Thefirst scenario includes a continued growth in electricity demand (as presented in EU base-lineprojections). The second scenario includes stated EU targets for 2020 and indicative targets for 2050 withrespect to increased energy efficiency, and thus, considers a lower growth in electricity demandcompared to the base-line. The third scenario includes EU targets (to 2020 and indicative targets to 2050)on energy efficiency, equal to the second scenario, and EU targets of electricity from renewables.The results show that it is possible for the European electricity generation system to meet an 85% CO2reduction target by 2050 with a potentially large contribution from CCS. Up to 50% of the electricitygeneration will come from plants with CCS with a peak capture estimated to 1.8 GtCO2 per year andcumulative CO2 capture of about 39 GtCO2 between 2020 and 2050 (it is assumed that CCS will becommercially available from 2020). As expected, countries which currently have high carbon intensityand which are located nearby suitable storage sites will benefit the most from CCS implementation.Hence, the results suggest that Italy has the largest demand for CCS with annual peak capture at around0.5 GtCO2 in the base-line scenario. The model results indicate a steep ramp-up of CCS post-2020, whichimposes challenges for timely investments in corresponding CCS infrastructure including transportationand storage. A continued growth in electricity demand can lead to demand for CCS to such extent (in thebase-line capacity build up is about 300 GW of CCS between 2020 and 2050) that the actual penetrationlevel could be limited by fuelmarkets and power industries’ ability to supply fuel and CCS power plants.

Ämnesord

TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)

Nyckelord

Power generation
CCS
CO2 capture
Europe

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