Geothermal storage systems 2050 v3 - RHC-Platform · high(er) temperature geothermal energy storage...
Transcript of Geothermal storage systems 2050 v3 - RHC-Platform · high(er) temperature geothermal energy storage...
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Geothermal energy storage systemsGeothermal energy storage systems
Martijn van Aarssen – IF Technology
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Geothermal Energy Applications
Geothermal energy
Shallow
Ground Source Heat Pump GSHP
Boreholes Thermal Energy Storage BTES
Aquifer Thermal Energy Storage ATES
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Geothermal energy
storage systems
Mid-deep
Low Temp GeothermalEnergy
High Temp ATES
DeepHigh temp
Geothermal energy
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GSHP/BTES/ATES(< 25 oC)
High Temp BTES (> 60 oC)
Low temp GE(25 – 60oC)
High Temp ATES(30 – 90oC)
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High temp GE(> 60oC)
↓Ultra High temp GE (>
150oC)
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Example: growth ATES systems in NL2000 20101990
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10 systems 1200 systems200 systems
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State of the art technology 2011
� Boreholes
o Ground Source Heat Pump (GSHP) for heating
o BTES and heat pump for heating and (limited) cooling
� Aquifer Thermal Energy Storage (ATES)� Aquifer Thermal Energy Storage (ATES)
o Cooling only (charging cold in winter)
o Heat pump for heating (charging heat in summer)
o Cooling and heat pump for heating (energy balancing)
� High temp ATES/BTES (pilot stage)
o Direct heating by storage of (waste) heat
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Innovation curve Europe 2011
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HT
TES
HT
TES
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Situation in 2050
� Still large energy demand in exisiting buildings (50-80%)
� New buildings will have (very) low energy demand
� More use of renewable energy sources
� More large scale applications
� Focus on running phase of projects
� Better business models
� Upgrade of legal framework
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Existing buildings
� Exisiting buildings (1900 – 2010) represent the largest
amount of energy demand
� Many geothermal applications will still exist, because
exisiting buildings will still be thereexisiting buildings will still be there
� Market penetration will increase in this segment by retro-fit
to renewable systems with heat pump technology
� High temperature heat is still needed for heating: high
temperature energy storage
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New buildings
� New buildings (2010 – 2050) will have (very) low energy
demand, for example passive houses with no energy
demand at all
� Temperature levels will change:� Temperature levels will change:
o (Ultra) low temperature heating (25 – 35 oC)
o (Ultra) high temperature cooling (10 – 17 oC)
� Heat pump is not necessary any more?
� BTES coupled to solar heat systems for direct heating?
� All-electric solutions will come up
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More use of renewable energy sources
� Re-use of waste heat will increase in industry for higher
energy efficiency: storage of high temperature necessary
� Solar heat will be used to heat buildings direct and through
high(er) temperature geothermal energy storagehigh(er) temperature geothermal energy storage
� Surface water will supply cooling by means of storage
� Other sources can be coupled to ATES/BTES: surface
water, effluent from sewage, roads and infrastructure
� Large integrated renewable energy systems are possible
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Woningbouw
Woningbouw Zonnecollectoren
housesbuildings Solar heat
greenhouse
restwarmteKoude-/warmteopslag
Rivier
geothermie
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Rwaste heat
Geothermal energy direct use
Surface water
ATES/BTES
biomass
High temp storage
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More large scale applications
� Coupling of different types of user leads to higher
efficiency: office buildings and houses; industry and
greenhouses
� Big savings demand big projects
� Better use of renewabe energy sources by coupling users:
houses (heat demand) and greenhouses (solar collector)
� Market penetration can rappidly increase
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Type of projects
Individual
small
Individual
large
Collective
small
Collective
large
Heating
only
single
home
green-
house
housing area housing or
greenhouse
area
Cooling switch data mono-20502050
Cooling
only
switch
station
data
center,
industry
mono-
industrial
area
Heating /
cooling
small
building
building building or
housing area
integrated
area, green-
house area
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/TU e14
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Focus on running phase
� Savings are reached in the running phase, not during
project development/realisation phase
� Total energy systems is important: user-supply-storage
� Control strategies will become robust and smart
� Systems will be self learning which leads to high efficiency
� Technical life time should be equal to life time building
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2011 2050
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Business models
� Many users, real estate developers, suppliers, energy
companies are tied together in projects
� Organisation will be part of the business model: how to � Organisation will be part of the business model: how to
integrate all parties involved?
� More and various business models are developed to meet
these complex projects
� Financing by sharing profits with all parties involved
� From technology to comfort
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Business models will change from the traditional cost-based enterprise to a value-based approach
ValueValue--Based Based
BusinessBusiness
CostCost--Based Based
BusinessBusiness
2011 ?
Equipment Sales and Service
Equipment Sales & Service with
Energy Savings Performance
2050 ?
Comfort Sales Business (heating and
BusinessBusinessBusinessBusinessService Service with
Electricity Sales
Performance Contracting
(heating and cooling)
The value-based approach aims to deliver what the customer ultimately desires: comfort – rather than technology and energy.
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Upgrade of legal framework
� 100% renewable energy will be state of the art in building
directives
� Legislation will be fully equiped to deal with large scale
application of geothermal energy storage (groundwater,
underground, energy)
� Planning of the underground becomes important issue
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Example:Masterplan ATES
2.000 woningen
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Innovation curve Europe 2011
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HT
TES
HT
TES
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Innovation curve Europe 2050
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