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Promising future technological solutions linked to shallow geothermal
energy use
Javier F. Urchueguía (Universidad Politécnica de Valencia) –
Geothermal Panel Chairman - Spain
Promising future technological solutions linked to shallow geothermal energy use
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• A review on the Geothermal Implementation
Roadmap and its accomplishments: [2009...2018]
• The future... new R&D strategy and roadmap in the
framework of a renewed RHC platform
• Some highlights about the New Strategic and
Innovation Research Agenda
Overview
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Main Deliverables of RHC-ETP and Geothermal Panel
(First ToR)
VisionStrategic Research
Agenda
Common
Roadmap
2009 2010 2011 2012 2013 2014
Vision Strategic Research AgendaImplement /
Roadmap
RH
C-E
TP
Geoth
erm
al P
anel
FP7Horizon
2020R&
D
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Main Deliverables of RHC-ETIP and GT Panel (Second
ToR)
Implementation
2014 2015 2016 2017 2018 2019
RH
C &
HC
Horizon 2020R&
D
New
ToREnd
ToR
SET Plan activity
Polic
y
Revision of implementation
WP 2014-16 WP 2016–18 WP 2018-20
Revision of implementation
Integrated SET plan
Declaration of Intents & targets
TemporaryWorking Group
Deep Geothermal
TemporaryWorking Groupon EE, Industry,
SNET
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Investment in geothermal
RD&I in Europe
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Implementation plan 2014 - 2020
9
Geothermal technology roadmap
Shallow geothermal technologies Deep geothermal technologies
Ground Coupling Technologies
Resources, new systems and integration
Deep Geothermal Resources
Deep Geothermal Production
Deep Geothermal Drilling
EGS Flagship Program
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KPIs originally described in the Roadmap had to be
reviewed and made more concrete, testable and
quantifiable … assumptions were needed!
It was difficult to trace the link between
objectives/accomplishments in the monitored projects and
the KPIs
10
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KPIs on Shallow geothermal:
Costs reduction
Version 2018 Value of the KPI and general statements
Decrease the energy input for operating the geothermal heat pump system by 10% in 2020 and 25% in 2030
(from 2014 value: 44.6 MWh electric, for a geothermal system capacity of 50 kWth in a new building, supplying heating at T = 35°C during 2200 h per year and cooling at T = 7°C during 1200 h, in western Europe climate conditions, use a SPFheating of 4)
• A lot of expectations from ongoing RD&I
• Decreasing by 5% to 10% in 2018 in mature markets, more in juvenile markets
• Value of 40.1 - 42.4 MWh electric
Reduce costs for operating the geothermal heat pump system, leading up to 20% costs reduction of the O&M in 2020, and 30 % in 2030
(from 2014 value: 9430 € per year, for a geothermal system capacity of 50 kWth in a new building, supplying heating at T = 35°C during 2200 h per year and cooling at T = 7°C during 1200 h, in western Europe climate conditions), assumed with stable energy prices (or statistically levelled).
• Annual maintenance, control costs have decreased
• Performance improved so less electricity input
• Assume a 5% costs reduction of the O&M between
2014 & 2018
• This should lead up to 10% costs reduction of the
O&M in 2020, due to many R&D actions.
• But cost in € is stable as electricity price rose.
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KPIs on Shallow geothermal:
Costs reduction
Reduce investment costs for a geothermal heat pump system, leading up to 20% costs reduction in 2020, and 30 % in 2030
(from 2014 value: 68’000 €, i.e. 1360 €/kW, for a geothermal system capacity of 50 kWth in a new building, supplying heating at T = 35°C during 2200 h per year and cooling at T = 7°C during 1200 h, in western Europe climate conditions)
• Assume a 5-10% costs reduction of the
investment costs between 2014 & 2018
• Drilling: reduction esp. in juvenile
markets
• Materials: reduction of 5-10%
• Installation: reduction of ca 10%
• HP: reduction in mature markets
• First assumption of a 10 to 15% costsreduction of the investment between2014 & 2018 for large projects, inparticular in juvenile markets.
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Improve efficiency SPFheating
Increase value of Seasonal Performance Factor in the order of 4.5 for 2020 and 5 for 2030
(from 2014 value: SPFheating average of 4, for a geothermal system capacity of up to 50 kWth, supplying heating and DHW at T = 35°C, in western Europe climate conditions)
• Average European SPF is in the range 4 to 4.5 in 2018 for these systems (50 kWth)
• This Performance Indicator has been improved by more than 40% over the last ten years, as shown by field tests and monitoring (cf. SEPEMO, Fraunhofer field study).
Increase value of Seasonal Performance Factor in the order of 5 for 2020 and 5.5 for 2025
(from 2014 value: SPFheating average of 4.5, for a geothermal system capacity of 50-100 kWth, supplying heating at T = 35°C, in western Europe climate conditions)
• Average European SPF is in the range 4.5 to 5 in 2018 for these systems (50-100 kWth)
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Thank you for your attention !