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Energy supply
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Emissions from electricity supply
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SPM.3 Carbon in oil, gas and coal reserves and resources compared with historic fossil fuel carbon emissions 1860-1998, and with cumulative carbon emissions from a
range of SRES scenarios and TAR stabilisation scenarios up until 2100.
0
500
1000
1500
2000
2500
3000
3500
4000O
il
Gas
Coa
l
1860
- 19
98 B1 A1T B2 A1B A2
A1FI
WR
E350
WR
E450
WR
E550
WR
E650
WR
E750
WR
E100
0
GtC
Historic coal emissions
Historic gas emissions
Historic oil emissions
Unconventional reserves andresourcesConventional resources(upper estimate)Conventional reserves
Scenarios
Notes. - Reserve/resource and historic use data derived directly from section 3.8.1.- Cumulative carbon emissions are from the IPCC Third Assessment Report WG-I.- Unconventional resources do not include gas hydrates, w hich contain an estimated 12,000 GtC.-------SRES scenarios----
Shortage of fossil fuel is not going to help us stabilise CO2 concentra9ons
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Commercial energy supply mi9ga9on technologies
NOW 2030
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Efficiency of power plants
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Nucelar power around the world Country Number of
nuclear power sta9ons in opera9on by end 2006
Number of nuclear plants under construc9on by end 2006
Number of nuclear reactors planned
% of electricity from nuclear power (2006)
USA 103 0 19 France 59 1 78 Japan 55 1 13 30 Russia 31 5 50% increase 16 Korea 20 1 60% increase 39 UK 19 0 18 Germany)* 17 0 31 India 16 7 16 3 Ukraine 15 2 48 China 10 4 28-‐40 2 Sweden )* 10 0 48
)* pledged nuclear phase-‐out
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Reactor type Main Countries Number GWe Fuel Coolant Moderator
Pressurised Water Reactor
(PWR)
US, France, Japan, Russia,
China
265 251.6 enriched UO2 water water
Boiling Water Reactor (BWR)
US, Japan, Sweden 94 86.4 enriched UO2 water water
Pressurised Heavy Water
Reactor 'CANDU' (PHWR
)
Canada 44 24.3 natural UO2 heavy water heavy water
Gas-‐cooled Reactor (AGR &
Magnox) UK 18 10.8
natural U (metal),
enriched UO2 CO2 graphite
Light Water Graphite
Reactor (RBMK) Russia 12 12.3 enriched UO2 water graphite
Fast Neutron Reactor (FBR)
Japan, France, Russia 4 1.0 PuO2 and UO2 liquid sodium none
Other Russia 4 0.05 enriched UO2 water graphite TOTAL 441 386.5
Nuclear power plants in commercial operation GWe = capacity in thousands of megawatts (gross)
Source: Nuclear Engineering International Handbook 2008
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Source: www.world-nuclear.org
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Boiling Water Reactor
Source: www.world-nuclear.org
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Pressurised heavy water reactor
Source: www.world-nuclear.org
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Advanced Gas Cooled Reactor
Source: www.world-nuclear.org
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Nuclear waste management
10 m3/yr high level waste
2.5 m3/yr processed high level waste
1 GW plant
Deep geological waste disposal ??
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Transmuta9on of nuclear waste
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World map with nuclear weapons development status
Five "nuclear weapons states" from the NPT Other known nuclear powers States formerly possessing nuclear weapons States suspected of being in the process of developing nuclear weapons and/or nuclear programs States which at one point had nuclear weapons and/or nuclear weapons research programs States that possess nuclear weapons, but have not widely adopted them
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Risk of nuclear weapons prolifera9on
>20% enrichment for weapons
3.5-5% enrichment for nuclear power
~ 10 kg needed for 1 Pu bomb
1 Gwe reactor> 200 kg Pu/ yr
http://www.eurotrib.com/story/2005/8/5/75619/06294
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2008 US prices
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2010 US prices
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Hydropower
• Poten9al small hydro: 400 GW
• Large hydro: 10 MW -‐22 GW • Current capacity: 920 GW • Es9mated poten9al 2030: 2000 GW
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Methane from hydro reservoirs
• Some reservoirs: 400 gCO2e/kWhe • Average : 10-80 g CO2e/kWhe
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Issues with wind energy
• Size of wind turbines • Load factor/ need for back up • Costs • Acceptability • Migratory birds
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Bioenergy sources, carriers and end-‐use
0.35
0.35
0.1
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Rural biogas
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Biomass fired CHP installa9on (source:hbp://www.unendlich-‐viel-‐energie.de/uploads/media/Biomass_CHP.jpg )
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Geothermal energy
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Top countries for geothermal electricity Country Geothermal electricity
capacity (MW) Percentage of electricity from geothermal
USA 2540 Philippines 1930 Mexico 950 Indonesia 800 Italy 790 Japan 535 New Zealand 435 Iceland 320 25 El Salvador pm 20 Philippines pm 18 Costa Rica pm 14 Kenya pm 14
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Concentra9ng solar power-‐ principles
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CSP systems in prac9ce
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0
500
1000
1500
2000
2500
3000
3500
4000
GW
inst
alle
d
years
What exponential growth can do
WIND (25% growth rate)
SOLAR PV (50% growth rate)
34 Controlling Climate Change
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Ocean energy
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CO2 capture and storage system
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How could CCS play a role in mi9ga9ng climate change?
• Part of a poriolio of mi9ga9on op9ons • Reduce overall mi9ga9on costs • Increase flexibility in achieving greenhouse gas emission reduc9ons
• Applica9on in developing countries important • Energy requirements point of aben9on
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Global large sta9onary CO2 sources with emissions of more than 0.1 MtCO2/year
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CO2 Capture
Raw material Gas, Ammonia, Steel
Reformer+CO2 Sep
Air Separation
CO2Separation
Coal Gas
Biomass
CO2Compression& Dehydration
Power & Heat
Power & Heat
Power & Heat
Process +CO2 Sep.
N2
N2 O2
O2
H2
N2O2
CO2
CO2
CO2
CO2
Air
Post combustion
Pre combustion
Oxyfuel
Industrial Processes
Air
Air
Coal Gas
Biomass
Coal Gas
Biomass
Gasification
Gas, Oil
Coal Gas
Biomass
Air/O2Steam
Air/O2
Raw material Gas, Ammonia, Steel
Reformer+CO2 SepReformer+CO2 Sep
Air Separation
CO2Separation
CO2Separation
Coal Gas
Biomass
CO2Compression& Dehydration
Power & HeatPower & Heat
Power & HeatPower & Heat
Power & Heat
Process +CO2 Sep.
N2
N2 O2
O2
H2
N2O2
CO2
CO2
CO2
CO2
Air
Post combustion
Pre combustion
Oxyfuel
Industrial Processes
Air
Air
Coal Gas
Biomass
Coal Gas
Biomass
GasificationGasification
Gas, Oil
Coal Gas
Biomass
Air/O2Steam
Air/O2
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Capture energy requirements
Power plant (new)
Thermal efficiency w/o capture
%
Thermal efficiency
with capture %
Increased primary energy per
unit of electricity output %
Pulverized Coal
41- 45 30 - 35 24 - 40
NGCC 55 - 58 47 - 50 11 - 22 IGCC 38 - 47 31 - 40 14 - 25
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Research phase
Demonstration phase
Econ. Feasible (spec. cond.)
Mature market
“Complete CCS systems can be assembled from exis]ng technologies that are mature or economically feasible under specific condi]ons, although the state of development of the
overall system may be less than some of its separate components”
Ocean storage
Mineral carbonation
Industrial utilization
Enhanced Coal Bed Methane
Saline formations
Gas and oil fields
Enhanced Oil Recovery
Transport
Post-combustion
Pre-combustion Oxyfuel
combustion
Industrial separation
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“Large point sources of CO2 are concentrated in proximity to major industrial and urban areas. Many such sources are within 300 km of areas that poten]ally hold forma]ons suitable for geological storage”
Storage prospectivity Highly prospective sedimentary basins Prospective sedimentary basins
Non-prospective sedimentary basins, metamorphic and igneous rock
Data quality and availability vary among regions
Prospective areas in sedimentary basins where suitable saline formations, oil or gas fields, or coal beds may be found. Locations for storage in coal beds are only partly included. Prospectivity is a qualitative assessment of the likelihood that a suitable storage location is present in a given area based on the available information. This figure should be taken as a guide only, because it is based on partial data, the quality of which may vary from region to region, and which may change over time and with new information (Courtesy of Geoscience Australia).
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Progress in CCS activities
45
GCI, April, 2010 IPCC, 2005
Active and planned geological storage projects
(incl EOR): 18
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CCS project life-cycle
46
Large scale integrated projects,
2010 24 24 21 2 9
Large scale integrated projects,
2009 19 20 16 2 7
Estimated success rate= …
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Addi9onal electricity costs (for energy policy community)
• Coal/gas: – 0.01 -‐ 0.05 US$/kWh – with EOR: 0.00 – 0.03 US$/kWh
• Biomass: – Substan9ally higher (small scale) – Co-‐firing beber – Nega9ve emissions
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Power Genera9on Cost with CCS
0
20
40
60
80
100
0.5 2.5 4.5 6.5
Cos
t of E
lect
ricity
($/M
Wh)
PC IGCC NGCC Based on new plants, current technology, bituminous coals and supercritical PC units; Natural gas prices $2.8-4.4/GJ (LHV), coal price ~$1.2/GJ. Other assumptions vary across studies.
Reference Plant with Capture, transport & storage
EOR EOR
EOR
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CO2 avoidance costs (climate policy community)
• Coal/gas power plants – 20 -‐ 270 US$/tCO2 avoided – with EOR: 0 – 240 US$/tCO2 avoided
• Hydrogen: – 3-‐75 US$/tCO2 avoided – With EOR: minus 15-‐ 50 US$/ tCO2 avoided
low-end: capture-ready, low transport cost, revenues from storage: ~ 360 MtCO2/yr
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Cost of CO2 Avoided (US$/tCO2 avoided)
Assumes transport costs of 0–5 US$/tCO2, geological storage costs of 0.6–8.3 US$/tCO2, and net storage costs for EOR of -10 to -16 US$/tCO2.
Type of Plant with CCS
NGCC Reference Plant PC Reference Plant Power plant with capture and geological storage
NGCC 40 – 90 20 – 60 PC 70 – 270 30 – 70 IGCC 40 – 220 20 – 70
Power plant with capture and EOR NGCC 20 – 70 0 – 30 PC 50 – 240 10 – 40 IGCC 20 – 190 0 – 40
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CCS component costs CCS component Cost range Capture from a power plant 15 - 75 US$/tCO2 net captured
Capture from gas processing or ammonia production
5 - 55 US$/tCO2 net captured
Capture from other industrial sources
25 - 115 US$/tCO2 net captured
Transportation 1 - 8 US$/tCO2 transported per 250km
Geological storage 0.5 - 8 US$/tCO2 injected
Ocean storage 5 - 30 US$/tCO2 injected
Mineral carbonation 50 - 100 US$/tCO2 net mineralized
20-30% cost reduction over next 10 yrs
Monitoring/ verification: 0.1-0.3 US$/t CO2
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Cost estimates for Coal-CCS plants (Euro/t CO2 avoided)
52
McKinsey, 2008, no
carbon price
JRC, 2009 = with CO2 price
= no CO2 price
IPCC, 2005 corrected to
2008 euro, no carbon price GCI,
2009
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CO2 transport costs
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Economic poten9al results from calcula9ons for poriolio of mi9ga9on
op9ons
-
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
2005 2020 2035 2050 2065 2080 2095
Emis
sion
s (M
tCO
2 per
yea
r)
Conservationand EnergyEfficiency
RenewableEnergy
Nuclear
Coal to GasSubstitution
CCS
AllowableEmissions forWRE 550
Emissions to the atmosphere
MiniCAM
-
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
2005 2020 2035 2050 2065 2080 2095
Conservation andEnergy Efficiency
Renewable Energy
Nuclear
Coal to GasSubstitution
CCSEmissions to the atmosphere
MESSAGE
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Economic poten9al
• Cost reduc9on climate change mi9ga9on: 30% or more • Most scenario studies: role of CCS increases over the course
of the century • Substan9al applica9on above CO2 price of 25-‐30 US$/tCO2
• 15 to 55% of the cumula9ve mi9ga9on effort worldwide un9l 2100
• 220 -‐ 2,200 GtCO2 cumula9vely up to 2100, depending on the baseline scenario, stabilisa9on level (450 -‐ 750 ppmv), cost assump9ons
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Storage poten9al • Geological storage: likely at least about 2,000
GtCO2 in geological forma9ons "Likely" is a probability between 66 and 90%.
• Ocean storage: on the order of thousands of GtCO2, depending on environmental constraints (theore9cal)
• Mineral carbona9on: can currently not be determined
• Industrial uses: Not much net reduc9on of CO2 emissions
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Technical and economic poten9al
• “It is likely that the technical poten9al for geological storage is sufficient to cover the high end of the economic poten9al range, but for specific regions, this may not be true.”
"Likely" is a probability between 66 and 90%.
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The share of CCS
Cumulative contribution of mitigation measures 2000-2100
-10000
1000200030004000500060007000
IMAGE 5.
3 (a)
IMAGE 4.
5 (a)
IMAGE 3.
7 (b)
IMAGE 2.
9 (b)
IMAGE 2.
6 (b)
MES 4.5 (
a)
MES 4.5 (
b)
MES 3.2 (
b)
GtC
O2e
q Non-CO2CO2-land useEnergy-ind restCCS
SRCCS: 220-2200 GtCO2
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Health, safety, environment risks • In general:
– lack of real data, so comparison with current opera9ons
• CO2 pipelines: – similar to or lower than those posed by hydrocarbon pipelines
• Geological storage: – Various trapping mechanisms: the longer it stays the smaller the risk of
release – IF appropriate site selec9on, a monitoring program to detect problems, a
regulatory system, remedia9on methods to stop or control CO2 releases if they arise, THEN
– comparable to risks of current ac9vi9es (natural gas storage, EOR, disposal of acid gas)
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Health, safety, environment risks • Ocean storage:
– pH change – Mortality of ocean organisms – Ecosystem consequences – Chronic effects unknown
• Mineral carbona9on: – Mining and disposal of resul9ng products (some of it may be re-‐used)
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Will leakage compromise CCS as a climate change mi9ga9on op9on?
• Geological storage (expert judgement): – very likely to exceed 99%
over 100 years, and – is likely to exceed 99% over
1,000 years. "Likely" is a probability 66 -‐ 90%, "very likely" of 90 to 99%
• Ocean storage (modeling): – 100yrs: 80-‐99% – 500yrs: 25-‐70%
• Economic op9misa9on: – 90% over 100 yrs – 60% over 500yrs
• Securing low level stabilisa9on: – 99% over 100yrs – 95% over 500 yrs
Fraction retained assessed Fraction retained“acceptable”
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Other issues • Legal and regulatory barriers:
– Na9onal legisla9on for mining, drinking water, etc applicable
– Interna9onal legisla9on (oceans): adjustments being discussed
• Public acceptance: – Important issue, but very limited literature – Depends on perceived seriousness of climate change and need for deep emission reduc9ons
• Implica?ons for emissions inventories and accoun?ng: – Issues for emission repor9ng, Kyoto Protocol compliance, emission trading and CDM
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Comparing mi9ga9on op9ons Op]on CO2 emissions
(gCO2eq/kWh)
2006 electricity supply
(TWh) (note 1)
2030 BAU electricity supply
(TWh)
2030 ambi]ous climate policy
(TWh) (note 2) Coal 680-‐1350 7760 14600 4230
Gas 350-‐520 3810 6720 4190 Coal CCS 65-‐150 0 0 1740 Gas CCS 40-‐70 0 0 670 Nuclear 40-‐120 2790 3460 5430 Hydro 10-‐80 3040 4810 6640 Modern Biomass 20-‐80 240 860 1730
Wind 0-‐30 130 1490 2750 Geothermal n/a 60 180 220 Solar 10-‐100 4 350 720 Ocean n/a 1 14 50
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Global electricity costs 2000-‐2030 ($/MWh)
64 Controlling Climate Change
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0 200 400 600 800 1000 1200 1400 1600
HydroHydro 2030
Solar PVSolar PV 2030
Solar CSPSolar CSP 2030
Wind Wind 2030
GeothermalGeo 2030
OceanOcean 2030
BiomassBiomass 2030
Global electricity costs 2000-‐2030 ($/MWh)
65 Controlling Climate Change
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Learning
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Technological learning
1
10
100
1.000
1 10 100 1.000 10.000 100.000
* LNG capital cost measured in USD/t and capacity measured in bcm** Other sources indicate learning rates as low as 18% for solar PV
Source: Worldwatch Institute; IEA; BTM consult; ABS; NREL; IIIEE; ABI; Drewry 2007; UC Berkeley ERG; Navigant consulting; Team analysis
CCS learning rate compared with other industriesPercentage cost decrease per doubled capacity
Capital cost2004 USD/W
Cumulative capacity installed MW
Learning rate experience from renewables and LNG as capacity is installed
Implied learning rateper doubled capacity
• CCS learning rate is assumed to be 12%
• Assumption is based on comparison with learning rates of– LNG and renewables
(see left)– SO2 and NOx capture
systems (12%); comparable capture technology
3%
13%
23%
13%
15%
Solar Thermal1985–1991 Solar PV**
1975–2003
Wind Power1981–2001
Ethanol1978–1996
LNG*1970–2000
6%PV inverters1995–2002
Soure: McKinsey 67 Controlling Climate Change
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Effect of autonomous technological change
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Cost per ton CO2 eq avoided, rela9ve to coal fired power plant
69 Controlling Climate Change
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What does US$ 50/ tCO2eq mean?
• Crude oil: ~US$ 25/ barrel • Gasoline: ~12 ct/ litre (50 ct/gallon) • Electricity:
– from coal fired plant: ~5 ct/kWh – from gas fired plant: ~1.5 ct/kWh
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Energy efficiency: > 1000 GtCO2 Wind/solar/ biomass: > 3000 GtCO2 Nuclear: > 300 GtCO2 eq Non-CO2: > 500 GtCO2-eq Sinks: > 350 GtCO2 CCS: > 2000 GtCO2 Fuel switch: 0-200 GtCO2-eq
Cumulative technical potential reduction options
650: 260 GtCO2 550: 3600 GtCO2 450: 4300 GtCO2
Ø Based on potential as reported in literature stabilisation at low levels should be possible.
Cumulative reduction
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Rela9ve share of low carbon op9ons in 2030 (least cost approach)
0
5000
10000
15000
20000
25000
30000
35000
IEA REF 2008
IEA AP 2007 IEA 450 IPCC 450
TWh
other renewables
hydro
nuclear
gas CCS
coal CCS
gas
oil
coal
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Supply and demand side determine energy mix and reduc9on poten9al
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What a 450 ppm CO2eq scenario implies for the period 9ll 2030
• >400 coal/ gas power plants with CCS • 200-‐500 nuclear power plants • Increasing hydro capacity with 50% • Doubling/ tripling # of biomass CHP plants • Increase # wind turbines from 50000 to > 500000 • 100 fold increase in solar PV and CSP capacity • Addi9onal investment of $9 bn (on top of $ 22 bn; energy savings $6 bn)
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Nuclear Renewables Biofuels + CCS
Natural gas+CCS Oil+CCS Coal+CCS Biofuels
Natural gas Oil Coal
0 200 400 600 800
1000 1200 1400 1600
Ene
rgy
use
(EJ)
0 200 400 600 800
1000 1200 1400 1600
Ene
rgy
use
(EJ)
450 CO2-eq Baseline
Oil
Coal
NGas
Bio Renew
Nuclear
Oil Coal
Bio
NGas Bio
Renew
Nuclear
Coal+CCS NGas+CCS
How to get to low emissions? Indica9ve energy system changes
Source: Van Vuuren et al. Stabilising GHG emissions.
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Bio energy planta9ons and carbon sinks in 2100 for 450ppm stabilisa9on
Sour
ce: I
MA
GE
mod
el