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  Understanding future emissions from low-carbon power systems by integration of life-cycle assessment and integrated energy modelling

Pehl, M., Arvesen, A., Humpenöder, F., Popp, A., Hertwich, E., Luderer, G. (2017): Understanding future emissions from low-carbon power systems by integration of life-cycle assessment and integrated energy modelling. - Nature Energy, 2, 12, 939-945.
https://doi.org/10.1038/s41560-017-0032-9

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 Creators:
Pehl, Michaja1, Author              
Arvesen, A.2, Author
Humpenöder, Florian1, Author              
Popp, Alexander1, Author              
Hertwich, E.2, Author
Luderer, Gunnar1, Author              
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1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: Both fossil-fuel and non-fossil-fuel power technologies induce life-cycle greenhouse gas emissions, mainly due to their embodied energy requirements for construction and operation, and upstream CH4 emissions. Here, we integrate prospective life-cycle assessment with global integrated energy–economy–land-use–climate modelling to explore life-cycle emissions of future low-carbon power supply systems and implications for technology choice. Future per-unit life-cycle emissions differ substantially across technologies. For a climate protection scenario, we project life-cycle emissions from fossil fuel carbon capture and sequestration plants of 78–110 gCO2eq kWh−1, compared with 3.5–12 gCO2eq kWh−1 for nuclear, wind and solar power for 2050. Life-cycle emissions from hydropower and bioenergy are substantial (∼100 gCO2eq kWh−1), but highly uncertain. We find that cumulative emissions attributable to upscaling low-carbon power other than hydropower are small compared with direct sectoral fossil fuel emissions and the total carbon budget. Fully considering life-cycle greenhouse gas emissions has only modest effects on the scale and structure of power production in cost-optimal mitigation scenarios.

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 Dates: 2017
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41560-017-0032-9
PIKDOMAIN: Sustainable Solutions - Research Domain III
eDoc: 7744
Research topic keyword: Decarbonization  
Research topic keyword: Energy
Research topic keyword: Mitigation
Model / method: REMIND
Regional keyword: Global
Organisational keyword: RD3 - Transformation Pathways
Working Group: Energy Systems
Working Group: Land-Use Management
 Degree: -

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Title: Nature Energy
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: 2 (12) Sequence Number: - Start / End Page: 939 - 945 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/nature-energy