Geothermal potential of the Euroregion. Daniel Trisant. Shallow Geothermal Committee of the “Col·legi de Geòlegs de Catalunya” Our Anomalies our reality Faults: “Horst Graben” systems Young Mountains Deep Sedimentary basins Volcanoes systems Thermal springs © Institut Geològic de Catalunya López García, J.M. (2007) Current deep geothermal Mining Concessions in Euroregion Concessions in EUROREGION Recource: Section D © IGME Catastro Minero WMS server Concessions in EUROREGION Geothermal resources Section D concessions © IGME Catastro Minero WMS server Concessions in EUROREGION Direction Générale de l’Énergie et du climat Bureau explotaion production des hydrocarbures SITE INVESTIGATION: DESK STUDY Contaminated ground Buried Services Geological and hydrological prognosis LEGAL AND REGULATORY ISSUES SITE INVESTIGATION Hydraulic Testing Thermal Response Testing (TRT) Thermogeology SITE INVESTIGATION Conductivity Specific heat capacity Temperature of ground Climate data Geothermal gradient Thermal conductivity SPECIFIC HEAT CAPACITY VOLUMETRIC HEAT CAPACITY MJ/m3ºK Thermal conductivity W/mºK Banks, D.(2008) Thermal diffusivity m2/day TEMPERATURE OF SOIL . Banks, D (2008) CLIMATE DATA Andersson, O. (2011) Comfort Zone Climate data vs HP COP CONTINENTAL MEDITERRANEAN BOREAL OCEANIC Climate data Climate data Annual mean Temperature at soil level THERMAL RESPONSE TEST SITE INVESTIGATION In a TRT we mesure: To T/Km ʎ (W/mºK) Svc (MJ/m3ºK) Rb (ºKm/W) α m2/day = “far-field” initial average ground temperature = Geothermal Gradient = Effective thermal conductivity = Volumetric heat capacity of rock = Borehole thermal resistance = Diffusivity Installed capacity shallow geothermal systems at Euroregion countries SHALLOW GEOTHERMAL POTENCIAL SHALLOW GEOTHERMAL POTENCIAL By geothermal flux © Institut Geològic de Catalunya Potential deep sedimentary basin site Potential deep sedimentary basin granite site Potential “rift”deep site Potential “rift”deep granite site ºC m Example: Vallès (Catalonian) SHALLOW GEOTHERMAL POTENCIAL By geothermal flux Residential Building: Heat demand only GSHP : 50 kw 516 ml BHE Good conductivity: Granite High geothermal flux High temperature gradient SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology © IGME Hidrogeological map of SPAIN 1:1000000 Example: Mallorca Hotel Building: Heat & Cool demand SHALLOW GSHP : 300 kw GEOTHERMAL 4000 ml BHE POTENCIAL Poor conductivity: Porous By geothermal flux Limestone By hidrogeology Hidrogeological good conditions Heat Capacity of BHE during TRT Industrial Usage (oyster): Heat & Cool demand SHALLOW GSHP : 89 kWf -109 kWt GEOTHERMAL COP: 4,4 POTENCIAL Sea Water exchange By geothermal flux By hidrogeology Example: Leucate, Roussillon SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building BARCELONA SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building Hotel Building: Heat & Cool demand SHALLOW THPE design 60 kWh/m2/y GEOTHERMAL GSHP : 50 kW + 40kW ACS POTENCIAL Surface: 2200 m2 By geothermal flux 1900 ml BHE UTES system: Temp 10-22 ºC By hidrogeology Saving on CO2 :80% reduction By climate/ Demand building Example: Tolouse, Midi-Pyrénées SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building By conductivity © IGME BRGM One Geology Project WMS server Example: Barcelona (Catalonia) SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building By conductivity Hospital de la Santa Creu i Sant Pau UNESCO World Heritage Site Example: Barcelona (Catalonia) Total surface Buildings 22.250 m2 SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building By conductivity Total surface Gardens 15.000 m2 Example: Barcelona (Catalonia) SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building By conductivity Heat & Cooling: 3000 kW Total demand: 3.400 MWh/year 34920 ml with 291 BHE 4 Tube-System, simultaneous heating & cooling High COP & EER Each building independent system Centralizated control and monitoring Good Conductivity: Granite+slate Space width for BHEx Example: Barcelona (Catalonia) SHALLOW GEOTHERMAL POTENCIAL By geothermal flux By hidrogeology By climate/ Demand building By conductivity Buried GSHP room No combustion Noiseless No heat air through atmosphere No visual perturbance No chimney Euroregion regulations REGLAMENTATION CODE MINIER article 131 “Forages d’une profondeur spérieure à 10 mètres” Ley de Minas Capítulo I Artículo 1 Ley de Minas Título I Sección B “Aguas” CODE de l’ENVIRONNEMENT réglementation loi sur l’EAU R.D. 863/1985 RGNBSM I.T.C. 06.0.06 Transferred to every C.C.A.A RULES Norme NF X 10-999 “Forage d’eau et de géothermie- Réalisation, suivi et abandon d’ouvrages de captage ou de survellance des eaux souterraines réalisés par forages” Norme NF X 10-980 ”Forage d’eau et de géothermie-Démarches administratives Norme NF X 10-970-“Forage d’eau et de géothermie – Sonde géothermique verticale, Realisation, mise en oeuvre, abandon” Norme NF X 10-960 Sonde géothermique verticale Part 1;2;3;4 PR NF EN ISO 17628 “Reconnaissance et essais géotechniques – Essais géothermiques” Incoming..... PNE 100715-1: Diseño, ejecución y seguimiento de una instalación geotérmica somera. Parte 1: Sistemas de circuito cerrado vertical Accreditations & certifications NFPAC normative obligation Guia Tecnica Design of Ground regarding quality and performance Source Heat Pumps IDAE for machines under 50 Kw QUALIPAC quality label for HP Manual de Climatización installers Geotérmica ACLUXEGA QUALIFORAGE, quality label for vertical heat exhanger GEO+ APPA quality certification Drillers AQUAPAC, insurance scheme for geothermal water wells for the first well of the doublet and long term insurance covering the exploitation period AFPG creation in 2010 aiming to create a geothermal certification scheme including all kind of low temperature geothermal inst. Thanks for your attention ! Daniel Trisant Geologist consultant at March 2014