Energy in transition The subsurface at our service...Energy storage: Green gas / Biogas / Hydrogen /...
Transcript of Energy in transition The subsurface at our service...Energy storage: Green gas / Biogas / Hydrogen /...
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Energy in transition
The subsurface at ourservice
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Issues for today
1. Is there a role for the subsurface in the Energy transition?
2. What is that role?
3. What are the social challenges using the subsurface in that new role
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Energietransition 2030 / 2050
• Challenges and solutions
• How can the subsurface contribute?
• Re-use and new technologies
• Reconnaissance of subsurface storage potential
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Climate goal = CO2 reduction
Foto bron: www.agro-chemie.nl
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Reduction of Green house gas emissions
• Energy saving en energy efficiëncy
• CO2 capture and storage
• CO2-free sources and technologies
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Energy saving
Role of subsurface
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-1°
Energy savings by adaptation
1 MtonCO2
1,5 MtonCO2
0,8 MtonCO2
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www.duurzaaminvesteren.nl
Aquifer Thermal Energy Storage
Subsurface energy saving
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CO2 Storage
Role of subsurface
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CO2 capture and storage
www.undeerc.org Bron: DNV
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Sustainable sources
Role of subsurface
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CO2 free energy sources and technologies
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Geothermal
Shallow systems and ATESTill approx. 100 m
Deep geothermal1.000 – 4.000 m (40°C - 120°C)
Ultra-deep geothermalDeeper than 4.000 m (>120°C)
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Nr of doublets
Employability
Spatial claim
Nr of houses connected
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Sustainable energy and security of supply
Role of subsurface
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0 GW
50 GW
100 GW
Variable energy demand
Seasonal/Week/day
electricity
gas
Netherlands 2012/2016
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1 Jan 31 Jan
Renewable electricity production, Germany, January 2018(Ca. 40 – 50 GW wind and solar)
ca. 4 days35 GW
EnergyCharts.de
Future: variable energy supply (renewables)
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Demand for flexibility
Adjustablepower
Demand response
Energy Import & Export
Storage &Batteries
1.
2.
3.
4.
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Flexibility from storage
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1 MW
10 MW
100 MW
1 GW
10 GW
100 GW
seasonweekdayhourmin
Salt caverns
Natural gas: ca. 3-4 GWHydrogen: ca. 1 GWca. 1 – 2 weeks
Balancingwind/solar
Peak heatdemand
Example storage 1 day wind: 3-4 caverns (H2)
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1 MW
10 MW
100 MW
1 GW
10 GW
100 GW
seasonweekdayhourmin
Gas fields
Natural gas: ca. 10 – 30GWHydrogen: ca. 3 – 10 GWca. 50 – 100 days
Seasonalheatdemand
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Future: Subsurface servicing security of energy supply
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Routekaart waterstof (2018)
HydrogenTransport
Feedstock
Fuelling industry (heat)
Generate electricity
Residential heating
Elektroysis
Natural gas
Storage
Regionaldevelopment
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Climate goals and renewablesClean, secure and affordable energy
CCS:Significant emission reduction from fossil power plants & industry
Geothermal (production and storage):Heating demand for green houses / residentialEfficiency in local heating gridsRenewable electricity generation
Energy storage:Green gas / Biogas / Hydrogen / Compressed Air:
Secure supply for electricity and heating demand (e.g. seasonal)Balance generation from variable renewable sourcesConversion of energy (e.g. power to hydrogen)
Natural gas production:Secure heating / electricity demandCleaner than coal
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Safety and public acceptance
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Seismicity
Subsidence and collapse
Leakage and migration
Facility risks
Are there critically stressed faults?What are the impacts of seismic events?
What are the effects of developing many salt caverns?What are the long term impacts?
Is the containment of hydrogen guaranteed?Is there a risk of leakage along the wells?
What are the surface risks (e.g. explosions)?Where can it safely be deployed?
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6-6-2019
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6-6-2019
Symbols and perception stronger than facts Scientific reports loosing value in public
debate
The new reality
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6-6-2019
Traditional role Future role
The transition
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Thank you for your attention