Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement

Over the coming decade, the power sector is expected to invest ∼7.2 trillion USD in power plants and grids globally, much of it into CO2-emitting coal and gas plants. These assets typically have a long lifetime and commit large amounts of (future) CO2 emissions. Here, we analyze the historic develop...

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Main Authors: Pfeiffer, A, Hepburn, C, Vogt-Schilb, A, Caldecott, B
Format: Journal article
Published: IOP Publishing 2018
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author Pfeiffer, A
Hepburn, C
Vogt-Schilb, A
Caldecott, B
author_facet Pfeiffer, A
Hepburn, C
Vogt-Schilb, A
Caldecott, B
author_sort Pfeiffer, A
collection OXFORD
description Over the coming decade, the power sector is expected to invest ∼7.2 trillion USD in power plants and grids globally, much of it into CO2-emitting coal and gas plants. These assets typically have a long lifetime and commit large amounts of (future) CO2 emissions. Here, we analyze the historic development of emission commitments from power plants and compare the emissions committed by current and planned plants with remaining carbon budgets. Based on this comparison we derive the likely amount of stranded assets that would be required to meet the 1.5 ◦C–2 ◦C global warming goal. We find that even though the growth of emission commitments has slowed down in recent years, currently operating generators still commit us to emissions (∼300 GtCO2) above the levels compatible with the average 1.5 ◦C–2 ◦C scenario (∼240 GtCO2). Furthermore, the current pipeline of power plants would add almost the same amount of additional commitments (∼270 GtCO2). Even if the entire pipeline was cancelled, therefore, ∼20% of global capacity would need to be stranded to meet the climate goals set out in the Paris Agreement. Our results can help companies and investors re-assess their investments in fossil-fuel power plants, and policymakers strengthen their policies to avoid further carbon lock-in.
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spelling oxford-uuid:acd9f8c0-8169-4db0-abf1-a37fb361a7ba2022-03-27T03:31:39ZCommitted emissions from existing and planned power plants and asset stranding required to meet the Paris AgreementJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:acd9f8c0-8169-4db0-abf1-a37fb361a7baSymplectic Elements at OxfordIOP Publishing2018Pfeiffer, AHepburn, CVogt-Schilb, ACaldecott, BOver the coming decade, the power sector is expected to invest ∼7.2 trillion USD in power plants and grids globally, much of it into CO2-emitting coal and gas plants. These assets typically have a long lifetime and commit large amounts of (future) CO2 emissions. Here, we analyze the historic development of emission commitments from power plants and compare the emissions committed by current and planned plants with remaining carbon budgets. Based on this comparison we derive the likely amount of stranded assets that would be required to meet the 1.5 ◦C–2 ◦C global warming goal. We find that even though the growth of emission commitments has slowed down in recent years, currently operating generators still commit us to emissions (∼300 GtCO2) above the levels compatible with the average 1.5 ◦C–2 ◦C scenario (∼240 GtCO2). Furthermore, the current pipeline of power plants would add almost the same amount of additional commitments (∼270 GtCO2). Even if the entire pipeline was cancelled, therefore, ∼20% of global capacity would need to be stranded to meet the climate goals set out in the Paris Agreement. Our results can help companies and investors re-assess their investments in fossil-fuel power plants, and policymakers strengthen their policies to avoid further carbon lock-in.
spellingShingle Pfeiffer, A
Hepburn, C
Vogt-Schilb, A
Caldecott, B
Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title_full Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title_fullStr Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title_full_unstemmed Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title_short Committed emissions from existing and planned power plants and asset stranding required to meet the Paris Agreement
title_sort committed emissions from existing and planned power plants and asset stranding required to meet the paris agreement
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AT hepburnc committedemissionsfromexistingandplannedpowerplantsandassetstrandingrequiredtomeettheparisagreement
AT vogtschilba committedemissionsfromexistingandplannedpowerplantsandassetstrandingrequiredtomeettheparisagreement
AT caldecottb committedemissionsfromexistingandplannedpowerplantsandassetstrandingrequiredtomeettheparisagreement