capabilities, potentials and barriers lessons learnt
TRANSCRIPT
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Eva Ravn Nielsen
DTU Energy
Capabilities, potentials and barriers
‒ Lessons learnt
Brussels, October 11, 2017
The ene.field project has received funding from the European Union´s 7th
Framework Programme (FP7/2007-2013) for the Fuel Cells and Hydrogen Joint Undertaking Technology Initiative under Grant Agreement Number 303462.
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• The technology works - robust and reliable
• End-users are satisfied
• Environmental benefits
• Barriers: Paper work and Costs
• More analysis results available
Top 5 messages
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Reliability
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Reliability
Units available to end-users 96-99% of the time (average)
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Reliability
Units available to end-users 96-99% of the time (average)
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14% of issues relate to FC appliance
Only 2% of issues relate to FC stack
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End-user satisfaction
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Perception: "I am satisfied with the...
SCALE:
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"Disagree strongly" "Agree strongly"
Environmentalperformance
Comfort and warmth
Reliability
Running costs
... of my FC micro-CHP.
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Environmental benefits
LCA
Environmental life cycle assessment
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Environmental life cycle assessment (LCA)
Environmental impact taking "everything" into account.
Product life stages:
• Raw materials, production, operation, maintenance, disposal
Impact categories:
• climate change; GreenHouse Gases, CO2-equivalents
• respiratory effects, inorganics; air pollutant emissions, particles
• acidification;
• mineral, fossils and renewables depletion
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Technologies compared:
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LCA scenarios analysed:
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Electricity mix:
"ENTSO-E" mix
- Different FC types, size and operation mode.
- Fixed number of full load hours (utilization of
unit) for each case.
Different house types (with different demands):
- Southern, Central, Northern Europe
- New or existing building
- Single or multi family home
FC
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LCA conclusion
In all the investigated scenarios
• Greenhouse gas emissions are lower than for gas condensing boiler and heat pump
• Lower air pollutant emissions in general
The environmental benefits are highest:
• When there is high utilization of the FC micro-CHP
• When there is low utilization of the back-up boiler
... which is when the capacity of the FC micro-CHP unit fits the building's needs for heat and power.
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LCA - sensitivity analysis
CO2 eq. savings compared to GCB.
What if FC is more utilized (higher full• -load hours), running more hours and on with higher capacity?
What if the electricity replacement has higher carbon •
intensity?
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CO2 eq. savings compared to Gas Condensing Boiler
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0%
10%
20%
30%
40%
50%
4750 5000 5250 5500 5750 6000 6250 6500 6750 7000
life
cyc
le C
O2-
Eq s
avin
gs re
lati
ve t
o G
CB
[-]
FC-µCHPs' annual full load hours (FLHs)
Not well insulated single family home in central Europe
Hard coal fired power plant (909 g CO2/kWh_el)German electricity mix (594 g CO2/kWh_el)
ENTSO-E mix (452 g CO2/kWh_el)
Base case FLHs
FLHs demonstrated in field trials
Expected average FLHs by 2025*
PEM
FC SO
FC
*demonstrated in field trials but not yet as average
PEM
FC
&
SO
FC PEM
FC
&
SO
FC
5000 6000 7000
German electricity mix
"ENTSO-E" mix
40%
20%
0%
CO2 eq.
savings
Annual full-load hours
= degree of utilization
Hard coal fired power plant
[T.M. Bachmann, F. Carnicelli, P. Preiss, 2017]
Case: "Not well insulated" "single family home" in "Central Europe"
Sensitivity analysis
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More LCA conclusions
CO2 eq. savings:
• Higher full-load hours => higher CO2 savings
• Higher carbon intensity of the electricity "replacement mix" => higher CO2 savings
...relative to the GCB.
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Future work -̶ LCA
More analyses should be made, including:
• Specific FC micro-CHP systems - not a generic system (diversity in type, size and operation)
• Impact of future fuel types (biogas, green natural gas and green hydrogen)
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Barriers
• Permissions and approvals. Simple registration is needed.
• Environmental and system benefits are not rewarded by policy.
• Capital and maintenance costs. Need for larger productionvolume.
• Complexity of systems and components.
• Lack of trained installers in new markets 600 trained duringene.field.
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Reports available
Regulations• , Codes and Standards
Smart Grid•
Grid connection•
Training • - "field support"
Non• -economic barriers to large-scale market uptake
Supply • chain analysis
Policy • report
Environmental• Life Cycle Assessment
Life • Cycle Cost Analysis
Cost and market projections•
Macro• -Economic and Macro-Environmental Impact
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Learning points from
demonstration of 1000
fuel cell based micro-CHP units
Grab a copy!
enefield.eu20
Summary Report
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• The technology works - robust and reliable
• End-users are satisfied
• Environmental benefits
• Barriers: Paper work and Costs
• More analysis results available
Top 5 messages
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The research leading to these results has received funding from the European Union´s 7th Framework Programme (FP7/2007-2013) for the Fuel Cells and Hydrogen Joint Undertaking Technology Initiative under Grant Agreement Number 303462.
Thank you for your attention!
www.enefield.eu