reducing the uk’s carbon footprint and managing competitiveness risks
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Reducing the UK’s carbon footprint and managing competitiveness risks. Committee on Climate Change, 24 April 2013 www.theccc.org.uk. Key messages. - PowerPoint PPT PresentationTRANSCRIPT
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Reducing the UK’s carbon footprint
and managing competitiveness
risks
Committee on Climate Change, 24 April 2013www.theccc.org.uk
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Key messages
The UK’s carbon footprint has increased over the past two decades but could fall by 70% by 2050, provided a global deal to achieve climate objectives is agreed.Competitiveness risks exist for energy-intensive industries but are manageable within policies and funding already announced by the Government.Key low-carbon technologies offer significant saving over fossil-fuel technologies on a lifecycle emissions.
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Structure of presentation
Reducing the UK’s carbon footprintManaging competitiveness risksLifecycle emissions of low-carbon technologiesKey messagesImplications for the 4th carbon budget review
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Reducing the UK’s carbon footprint
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UK GHG production emissions over time
• Production emissions fell 21% between 1990 and 2010 due to switching from coal to gas in power generation and reductions in non-CO2 gases such as waste methane emissions
• Industry reductions have been due to fuel switching, energy efficiency, industrial restructuring related to broader processes of globalisation and more recently the recession
Source: NAEI (2012)
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Imported GHG emissions over time
While production emissions (and domestic consumption emissions) have decreased, emissions embedded in UK imports of goods and services are estimated to have increased
(by an estimated 40% between 1993 and 2010)
Source: University of Leeds (2013)
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UK imported GHG emissions by region
Source: University of Leeds (2013)
• 15% of imported emissions originate in rest of OECD Europe, an additional 15% from other OECD countries
• Developing Asian economies account for one-third of UK’s imported footprint (half of which are from China) and for majority of growth in imported emissions
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UK imported GHG emissions by sector
Source: University of Leeds (2013)
• UK demand for goods and services result in significant production emissions overseas, particularly in agriculture (1/3 of imported emissions), power generation, and direct emissions in production of petroleum, chemicals, non-metallic mineral products
• Together, with overseas transport emissions (e.g. freight), these account for over 80% of the UK’s imported footprint, and majority of growth in imported emissions
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Trends in the UK’s carbon footprint (all GHGs)
The UK’s carbon footprint has increased over the past two decades, as growth inimported emissions has more than offset reductions in production emissions.
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Emissions intensity of UK industry has decreased over time while output has increased
Source: ONS (2013) Index of manufacturing production; NAEI (2012); CCC calculations.
• Suggests offshoring of industry in response to low-carbon policies has had (at most) a minor impact in reducing production emissions, with much of reductions due to fuel switching/ energy efficiency, and more recently the recession
• UK carbon footprint would have increased more had production emissions not been reduced
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Global emissions reductions compatible with climate objective
Global climate objective:To keep central estimates of global temperature rise by 2100 close to 2°C above pre-industrial
levels, and limit the likelihood of a 4°C rise to very low levels (e.g. 1%).
As a sensitivity, we analysed UK consumption emissions in a world where international actions do not go beyond Copenhagen (projected to lead to a long-term temperature rise of 4°C (4DS scenario).
2010 2015 2020 2025 2030 2035 2040 2045 20500
5
10
15
20
25
30
35
40
45
2DS 4DS
GtCO
2
Source: IEA (2012)
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Taking IEA emissions scenarios, we developed scenarios for the UK’s carbon footprint to 2050
Source: CCC modelling (2012); University of Leeds (2013); IEA (2012) Energy Technology Perspectives.
• Under a scenario where the UK meets its 2050 target and global emissions fall in line with the climate objective, the UK’s carbon footprint (CO2 only) could fall up to 80% below current levels
• Under a scenario where the UK meets its 2050 target but the rest of the world does not go beyond current pledges, the UK’s carbon footprint (CO2 only) could be reduced by only 50% from current levels
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Scenarios for the UK’s CO2 carbon footprint under various global emissions scenarios
Source: CCC modelling (2012); University of Leeds and Centre for Sustainable Accounting (2013); IEA (2012) Energy Technology Perspectives.
UK likely to continue to be a net importer of carbon under all scenarios (even under 2DS scenario)
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There is no real alternative to a global deal
Traded emissions compared to global emissions (2010)
Source: Eora (2013)
Border carbon adjustments could not substitute for a global deal given limited potential coverage and the need for other policies in addition to a carbon price.
Less than 25% of global
emissions are traded
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Managing competitiveness
risks
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Measures to reduce emissions in energy-intensive industry in 4th carbon budget post-2020
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Snapshot of industrial electricity prices (2011)
Notes: German costs of supporting low-carbon generation includes exemptions for energy-intensive industries
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UK wholesale electricity prices:low-carbon versus ‘dash for gas’
Notes: Chart shows wholesale electricity price, including transfer payments to fund low-carbon generation via the Renewables Obligation and Contracts for Difference, and wider systems costs associated with intermittent renewables (where relevant). The retail price faced by industrial users will depend on ability to negotiate contracts with suppliers.
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Carbon price scenarios
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Electricity price projections (2020)
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Electricity price projections (2030)
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Profit impacts of low-carbon policy on electro-intensive industry
Note: Chart uses consumption estimates derived from DECC data. ONS data brings lower end of range to around £150 million in 2020.
CPF compensation
EMR exemption (estimated)
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Lifecycle emissions of low-carbon technologies
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Lifecycle emissions of most low-carbon power technologies are small, and expected to fall further
> CCS should be used only as part of a portfolio of low-carbon power generation technologies
Exception is CCS
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Electric cars used with low-carbon power offer significant emissions savings even on a lifecycle basis
> Improved battery recycling efficiency could help further reduce EV lifecycle emissions
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Emissions from well-regulated shale gas could be comparable to conventional gas, and better than LNG
> Government should put the necessary regulatory measures in place to control methane emissions from shale gas production
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By 2030, emissions from heat pumps could mainly be due to HFC refrigerants – but alternatives exist
Gas boiler
> Government should support a move away from HFCs towards low-GWP refrigerants where cost-effective
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Key messages
The UK’s carbon footprint has increased over the past two decades but could fall by 70% by 2050, provided a global deal to achieve climate objectives is agreed.Competitiveness risks exist for energy-intensive industries but are manageable within policies and funding already announced by the Government.Key low-carbon technologies offer significant saving over fossil-fuel technologies on a lifecycle emissions.
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Implications for the 4th budget review
Production emissions remain the most appropriate basis for UK carbon budgetsUK targets should be met through domestic emissions reduction and not through the purchase of expensive creditsCompetitiveness impacts associated with the 4th carbon budget are manageable and provide no basis for changing 4th carbon budget ambition.Lifecycle emissions associated with 4th budget technologies are likely to be limited