iea hev task 30 “environmental effects of electric vehicles”€¦ · move webinar november 22,...
TRANSCRIPT
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www.joanneum.at/life
IEA HEV Task 30 “Environmental Effects of Electric Vehicles”
Strategies to Maximize Environmental Benefits
of Electric Vehicles Using Life Cycle
Assessment
Martin Beermann / Gerfried Jungmeier
MOVE webinarNovember 22, 2017
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Content
2
Introduction
Activities in IEA HEV
Key issues LCA of EV
Example Austria & global EV Fleet
Conclusions
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Challenges for the Successful Market Introduction of Electric-Vehicles
Additionalrenewableelectricity
Electric-vehicles1) On the market available2) Substituting gasoline&diesel
Charging infrastructure
The consumer
Monitoring:Electricity, emissions
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Statement on Environmental Assessment of Electric Vehicles
“There is international consensus that the environmental effects of electric vehicles can
only be analyzed on the basis of
Life Cycle Assessment (LCA) including the production, operation and the end
of life treatment of the vehicles”“….and in comparison to conventional
vehicles”
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Assessment ofLCA-Aspects over Full Value Chain
Transportation service
Primary Energy
Electricityproduction
Electricity grid
Charginginfrastructure
Electric vehicle
Solid wastee.g. ash
Liquid emissionse.g. waste water
Gaseous emissionse.g. CO, CO2, NOx, PM
Others e.g. noiseodour, radiation
Area: agriculture, forestry, industry, transport
Resources: renewable, non renewable
Primery energy: re-newable, non renewable
construct.production
operationuse
dismantlingEnd of life
Productsservices
INPUT OUTPUT
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Sustainability in the Life Cycle based on Whole Value Chain
Environment Economy Society
Resources&
raw materials
Products&
services
Environmental, economic and social assessment of sustainability based on scientific indicators
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Examples of Indicators in Life Cycle Sustainability Assessment (LCSA)
ØEnvironmentüGHG emissions (t CO2-eq/a)üPrimary energy demand (GJ/a) (biomass, renewable, fossil, others)üArea demand (ha/a)
ØEconomyüProduction costs (€/a)üRevenues from products (€/a)üValue added (€/a)üEmployment (persons/a)üTrade balance (€/a)
ØSociety üWorkersüConsumersüLocal communityüSocietyüValue chain actors (excl. consumers)
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The 2 Keys:Renewable Energy &Energy Efficiency
0 300200100 900400 500 600 700 800Energy consumption of bus [kWh/100km]
0
500
1,000
1,500
2,000
2,500
3,000
Gre
enho
use
gas
emis
sion
s[g
CO
2-eq/
km]
Diesel,incl.biofuelblending
Electricity hydro power
Electricitynatural gas
Source: LCA of busses, Joanneum Research
Internal combustion engine and battery electric bus
Electricity PV incl. storage
Electricitycoal
Electricity wind
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Content
9
Introduction
Activities in IEA HEV
Key issues LCA of EV
Example Austria & global EV Fleet
Conclusions
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Overview – LCA Activities in IEA HEVIEA HEV Task 19 „Life Cycle Assessment of Electric Vehicles - From raw material resources to waste management of vehicles with an electric drivetrain” (2011 – 2015)IEA HEV Task 30 „Assessment of Environmental Effects of Electric Vehicles” (2016 – 2019)IEA-HEV Project „Facts and Figures on Environmental Benefits of EVs“ (2016)Main Partnes:
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Series of Workshops:2016 – 2019
2016 2017 2018
Kick-off meeting
WS I: „Effects of EVson water“, Graz/AUSTRIA 01/2017
WS II: „Effects of EVs on air“, Stuttgart/GERMANY, 01/2018
WS III: „Effects of EVs on landuse/resources/waste“, Washington/USA 06/2018
Final Results of Task
2019
WS IV:“Overall environmental assessment of EVs”, Barcelona/Spain 05/2019
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Content
12
Introduction
Activities in IEA HEV
Key issues LCA of EV
Example Austria & global EV Fleet
Conclusions
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What is LCA of electric vehicles useful for?
LCA can‘t answer the questions usually asked („Which system is thebest?“), but it can help understanding the question
LCA fosters the understanding of systems, of causalities andconsequences
LCA can also initiate a discussion on values (how important is whichenvironmental effect?)
Think in ranges instead of exact numbers, consider system boundariesand assumptions
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The 7 Key Issues in LCA of EVs
1) General issues: data availability reflecting the state of technology
2) Life cycle modeling: end of life-recycling, data quality, allocation, life time
3) Vehicle Cycle: production–use–end of life, overall energy demand of vehicle
4) Fuel Cycle: Electricity generation, choice of mix: green↔marginal↔average
5) Inventory analysis: CO2, MJ, kg ↔ CSB5 waste water, heavy metals
6) Impact assessment: GHG, primary energy ↔ biodiversity, toxicity
7) Reference system: vehicle size, driving range, ≤ 100% substitution?
Source: G. Jungmeier, J. B. Dunn, A. Elgowainy, L. Gaines, S. Ehrenberger, E. D. Özdemir, H. J. Althaus, R.Widmer: Life cycle assessment of electric vehicles – Key issues of Task 19 of the International EnergyAgency (IEA) on Hybrid and Electric Vehicles (HEV), TRA 2014 – Transport Research Arena 2014, Paris,France, April 14-17, 2014.
Example: 100 BEV • 85% substitute „fossil driven“ ICE
kilometres“• 15% substitute walking, bicycling,
public transport and additional mobility
à 15 additional vehicles?
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Vehicle cycle –energy consumption in the use phase
Drive train (driving from A to B, without the consumption of any device which is not directly needed for propulsion)Heating and air conditioningAuxiliaries (Light, Radio, Navigation etc.)Standstill lossesBattery charging losses (on-board vehicle)
Charging losses ratio of 2 – 3 means that the highest observed charging losses can be 2 to 3 times higher than the lowest charging losses, whereas in the graph the average absolute charging losses are estimated
H.J. Althaus, Empa (2013)
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The 2 Keys:Renewable & Energy Efficiency
0 302010 9040 50 60 70 80Fuel consumption [kWh/100km]
0
50
100
150
200
250
300
Gre
enho
use
gas
emis
sion
s[g
CO
2-eq/
km]
FT-Biodieselwood
Biodieselrape*)
Diesel
Ren-H2hydro power
Electricityhydro power
Electricitynatural gas
ElectricityUCTE mix
Source: LCA of passenger vehicles, Joanneum Research, *) without iLUC
Internal combustion engine and battery electric passenger cars
Electricity PV incl. storage
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0 302010 9040 50 60 70 80Fuel consumption [kWh/100km]
0
50
100
150
200
250
300
Gre
enho
use
gas
emis
sion
s[g
CO
2-eq/
km]
FT-Biodieselwood
Biodieselrape*)
Diesel
Ren-H2hydro power
Electricityhydro power
Electricitynatural gas
ElectricityUCTE mix
Internal combustion engine and battery electric passenger cars
Increase +30%
Source: LCA of passenger vehicles, Joanneum Research, *) without iLUC
Electricity PV incl. storage
The 2 Keys:Renewable & Energy Efficiency
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Fuel cycle – choice of electricity mix National consumption mix (commonly used for impact of electric driving)
National production mix Marginal mix (mainly for impact on electricity system)
Specific technology mix (e.g. 100% renewable)
Consumption mix at specific time Production mix at specific time Marginal mix at specific time
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Additional Renewable ElectricityProduction and Electric Vehicles
1. „Direct connection“2. „Via storage“3. „Stored in Grid“4. „Real time charging“
How toconnect?
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Charging of EVs withAdditional Renewable Electricity
“Direct connection”
“Real time charging”“Stored in grid“
“Via storage”
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Emissions of LoadingStrategies withAdditional Renewable Electricity
21
13
28
73
100
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Content
22
Introduction
Activities in IEA HEV
Key issues LCA of EV
Example Austria & global EV Fleet
Conclusions
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Aim of Project “FACTS&FIGURES”Provide annually FACTS&FIGURES on life cycle based
environmental benefits of EVs worldwide and country specific in comparison to conventional vehicles
Based on LCA achievements in IEA HEV since 2011
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CountryFACT
SHEET24
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Explanation SheetSystem boundariesVehicle dataEmissions and environmental effectsAssumptionsMain data sourcesMain referencesAknowledgementContact
25
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CountryFACT
SHEET26
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BASIC DATA:Share of National Electricity Production27
Source: IEA statisticshttp://www.iea.org/statistics/statisticssearch/report/?country=ITALY&product=electricityandheat&year=201x
Austria
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BASIC DATA:National Electricity Market28
Austria
Source: IEA statisticshttp://www.iea.org/statistics/statisticssearch/report/?country=ITALY&product=electricityandheat&year=201x
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BASIC DATA: Estimated Environ. Effects of Electricity (II)29
Source: own calculations using data from ecoinvent and GEMIS
Austria
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BASIC DATA:Number of Electric Vehicle30
Source: IEA HEV annual report, EVI, ExCo members
AustriatotalnumberofpassengervehiclesinMio.(2015):4.7
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ENVIRONMENTAL EFFECTS:Estimated Annual Change of national EV Fleet31
Source: own calculations
Austria
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ENVIRONMENTAL EFFECTS:Comparison ICE and BEV&PHEV32
Source: own calculations
Austria Conventional ICE
EV (BEV & PHEV)
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ENVIRONMENTAL EFFECTS:Comparison ICE and BEV&PHEV33
Source: own calculations
Norway Conventional ICE
EV (BEV & PHEV)
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ENVIRONMENTAL EFFECTS:Comparison ICE and BEV&PHEV34
Source:
USA Conventional ICE
EV (BEV & PHEV)
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BASIC DATA:Number of Electric Vehicle35
Source: IEA HEV annual report, EVI, ExCo members
Total:716,908 EV&PHEV (2015)
IEA HEV CountriesTotal: 684,700
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BASIC DATA:Estimated Environ. Effects of Electricity (I)36
Source: own calculations using data from ecoinvent and GEMIS
Greenhouse Gas Emissions
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BASIC DATA:Estimated Environ.Effects of Electricity (II)37
Source: own calculations using data from ecoinvent and GEMIS
Primary energy consumption
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ENVIRONMENTAL EFFECTS:Estimated Annual Change of EV Fleet (I)38
World
Greenhouse Gas Emissions
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ENVIRONMENTAL EFFECTS:Estimated Annual Change of EV Fleet (II)39
Source: own calculations
World
Fossil Primary Energy
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ENVIRONMENTAL EFFECTS:Estimated Change (I)40
Source: own calculations
IEA HEV CountriesGreenhouse Gas Emissions
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ENVIRONMENTAL EFFECTS:Estimated Change (II)41
Source: own calculations
IEA HEV Countries
Primary Energy Consumption
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World EV-Fleet (2015):1,234,999 BEV&PHEV of which
684,700 in IEA HEV countries42
Greenhouse Gas Emissions
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EV-Fleet in 2015: 1.2 Mio. Vehicles (I)43
Ozone formation PM emissions
Acidification
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EV-Fleet in 2015: 1.2 Mio. Vehicles (II)44
Fossil Primary Energy Total Primary Energy
Nuclear Primary Energy
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Total ResultsEstimation of the average environmental benefits of BEVs and PHEVs substituting diesel and gasoline globally shows
GHG-reduction: - 25% to - 30% PM < 10 reduction: - 40% to - 50% Acidification: 0% to - 5% Ozone reduction: - 50% to - 60%Fossil primary energy reduction - 25% to - 30%Renewable primary energy increase + 10% to + 15%Nuclear primary energy increase + 600% to + 800%Total primary energy reduction - 15% to - 20%
45
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Content
46
Introduction
Activities in IEA HEV
Key issues LCA of EV
Example Austria & global EV Fleet
Conclusions
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Summary
Key issues in LCA methodology and key data for electric vehicles are harmonized in IEA HEV
Environmental Assessment of EVs only possible onLife Cycle Assessment compared to conventional vehicles
Estimation of environmental effects substituting diesel/gasoline show positive results by 1.2 Mio. EVs in 2015
Broad estimated ranges mainly due to- Emissions of national electricity production- Electricity consumption of EVs at charging point- Fuel consumption of substituted conventional ICEs - Data availability, uncertainty and consistency, e.g. PM
Additional renewable electricity with adequate chargingstrategies is essential for further significant reductions
Communication strategies are essential: Interaction with stakeholders, show database, explain assumptions
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Your ContactGerfried JungmeierJOANNEUM RESEARCH Forschungsgesellschaft mbH.
LIFE – Centre for Climate, Energy and Society
Future Energy Systems and Lifestyles
Elisabethstraße 18A-8010 GrazAUSTRIA+43 316 876-1313www.joanneum.at/[email protected]
www.ieahev.org/tasks/task-30-assessment-of-environmental-effects-of-electric-vehicles/www.ieahev.org/tasks/task-19-life-cycle-assessment-of-evs