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Presentación de PowerPoint
Implementation of
GSHP in
Mediterranean
Climate Part II
GSHP in detail
Brainstorming
Conclusions
Collaborations


We are not alone!
Regeocities www.regeocities.eu
 Same
objectives
 Same target groups
 Co-funded for EU

GroundMed www.groundmed.eu
 Technical

Guidelines
Geotrainet
 Training
online
Partners & Target Group
Country and
Partner
Spain (AIDICO
and UPV)
France (BRGM)
City or Region
Region: Valencia region, Galician región City: Valencia
Region Centre City: Orleans
Deliverables


Report with laws and regulation in
Europe
Report with national laws
 Spain
 France




Good practice document
Consolidated Database of new GSHP
Free courses and seminars
More
GroundMed
GroundMed

Partners
GroundMed

Objective:
 Demonstrate
climate

SPF5 for Mediterranean
Resources
 Demosites
 Technical
Guidelines
 Monitoring Data
Technical Issues
Overview
Exterior Circuit
Heat Pump
Interior Circuit
Optimization Strategies
Overview


Exterior Circuit


BHE - Drilling
External Pump

Technology
Refrigerant
Heat Exchangers
HP



Interior Circuit




HVAC
Internal Pump
Buffer Tank
Optimization Strategies






Monitoring
Temperature Compensation
Geocooling
Decoupling Tank
Variable Speed Pumps
PCM Tank
Overview
BHE - Drilling

Types HE
 Open
Loop
 Closed Loop
 Horizontal
 Vertical
BHE - Drilling

Types of drills
 Rotation
 Hammer
 Others
(Laser, Plasma,…)
BHE - Drilling

Rotation
 Pneumatic Machine
 Need of consolidated well
 Speed 30m/d
 Uses air with foam to extract rocks
 Mud Extraction
 Soft Subsoil
 High Speed 20m/h
 Risk of polluting underground water with
mud
 Cheap
BHE - Drilling

Hammer
 Pneumatic



Fast speed
For hard rocks
No risk for underground water
 Sonic



hammer
hammer
Less residue
Not really extended yet
Expensive
BHE - Drilling

Mud Extraction
BHE - Drilling

Considerations
 Consolidate
well
 Inserting sand, concrete or bentonite
 U-Pipes – HDPE
BHE - Drilling

Balance Heat and Cooling
BHE - Drilling

Balance Heat and Cooling
External Pump
HP Technology

Heat Pump
 Electrical
 Gas

Compressor
 Single
 Tandem
 Inverter
 Type
 Swing
 Scroll
Refrigerant

Carnot
Refrigerant

Carnot
 R22
 R134a
 R410a
Heat Exchangers
Heat Exchangers
Heat Exchangers


Braze plate HE
Plate and Gasket HE
Heat Exchangers

Fouling and clogging
Internal Pump
Buffer Tank

Helps avoiding to use the HP
irregularly.
HVAC

Low temperature!
Optimization Strategies







Select a low operating temperature for heating (35 -40 °C)
Select a high operating temperature for cooling (8 –10 °C)
If possible, use temperature compensated set points
Consider heat pump capacity and capacity steps, consider
hybrid system
Design the system carefully for a low total heating/cooling
load with some care to take for considering the balance
between heating and cooling load for the ground source,
Design carefully the hydraulic system with an adapted
control pump strategy to save energy because of auxiliary
energy consumptions
Design BHE for high/low temperature, low pressure loss
and low thermal resistance
Monitoring
Monitoring
Temperature Compensation
Temperature Compensation
Geocooling
Geocooling
Decoupling Tank


Optimal Water Flow Rate
Optimal Delta T
Variable Speed Pumps
Variable Speed Pumps


IC and EC Pumps
Optimization
PCM Tank



Phase Change Materials
To use it in peak loads
Avoid Expensive Tariff
Homework


Read GroundMed Guidelines
http://www.groundmed.eu/uploads/
media/Deliverable_9.8_Design_Guide
s_rev2.pdf
Administrative
Issues
Laws and regulations
Europe
Spain & France
Example: Stockholm
Regeocities Data Base proposal
Europe

Initial Situation
Europe

Laws
Europe

Administrative procedure
Realizing a geothermal project requires a
variety of different permits.
 Complex, long, and sometimes unnecessary
burdensome procedures can significantly
delay project development and investment
in the geothermal sector.
 Though having several competent
administrative bodies to assess an
application for geothermal licenses is fair, a
one stop-shop process should be the rule
for each phase of a project.

Europe

Planning


Technical Specifications


The RES Directive also requires member states to
recommend to all actors, in particular local and regional
administrative bodies, to ensure equipment and systems
are installed for the use heating and cooling from
renewable energy sources when planning, designing,
building and renovating residential (or industrial) areas.
Member states should clearly define any technical
specifications which must be met by renewable energy
equipment and systems, including SGE systems, in order
to benefit from support schemes (Art. 13 (2) of the RES
Directive).
Information and Training

Lack of awareness and information as well as shortage of
skilled workers is one of the market failures preventing
the further market uptake of SGE. Article 14 of the RES
Directive addresses these issues.
Europe

Calculation of renewable information from
heat pumps



A heat pump is a device allowing the
transformation of heat from a lower
temperature level to a higher one, by using
external energy.
Promotion of renewable energy and energy
efficiency in buildings.

EPB

Heat pumps (including GSHP) are covered under
both Ecodesign and energy labelling legislation,
which are two of the most effective policy tools
in the area of energy efficiency.
Eco-design and energy labelling
France & Spain

National Building Codes


France: Thermal Regulation of 2012 for new
constructions ( RT2012) give Maximal
Consumption of primary energy for the heating,
the domestic hot water, the cooling, the lighting
and the auxiliaries.
Spain: in the Technical Code of Construction
there are requirements related to renewable
energies, exclusively for the production of hot
water, in most of the case the option for fulfilling
the requirement (60% of the HDW must be
provided by renewable systems) is achieved by
means of installing thermo-solar panels which
are generally regulated with local laws, as for
example the “Ordenanza Municipal de Captación
Solar para Usos Térmicos”.
France & Spain

National Building Codes
 France:
Professionals considered that
used calculation are not favorable to the
GSHP. No specific goal for SGE.
 Spain: Lack of clear specifications, only
HW considered.
France & Spain

Tools
France & Spain

Summary
 No
monitoring is mandatory in both
countries
France & Spain

Summary
France & Spain

Summary
France & Spain

National report
 France:
http://regeocities.eu/wpcontent/uploads/2012/12/REGEOCITIES
FrenchReport_final.pdf
 Spain: http://regeocities.eu/wpcontent/uploads/2013/09/SpanishNational-report_October-2012_SP.pdf
Example: Stockholm


Online application for end-users
Regeocities resource
Laws and regulations for the city
of Stockholm



National legislation
Borers sent the information that is required by law
SFS 1985:245 (drilling Protocol) to the geological
national service so that they have the information
from the probe
When installing a geothermal heat pump is
necessary to notify the municipal panel


However, the municipality may have ordinances that
prescribe that municipal authorization is also required
for all of the installation for some of its parts where
aspects should protect health or environmental.
Residents have the right to express their points of
view if drilling is close to their property or if the
system may interfere with the operation of their
own geothermal systems.
Who can make the request
online?








Applicants wishing to apply for the registration of the
online installation must ensure that the installation
complies with the following requirements:
Closed loop BHE
1 probing or drilling
There are no other wells on the property
All wells, including inclined probes, rest inside of limits of
the installation property
It will give service to a single building
The capacity of the installed heat pump is less than 20 kW
In the case that does not meet one of these requirements
it would be necessary to make the request by means of
paper formats
Before filling the request





To obtain permission to drill in the city of Stockholm
is required that:
The drilling company must be certified as Drillers by
SITAC
The drilling and the installation must comply with
the Guide "Normbrunn-07", a protocol where the
steps are specified for a drilling
Consult to companies that install systems in the
subsoil to prevent incidents through
www.ledningskollen.se
At the same time the city of Stockholm sent their
inquiries to:


neighbors, if there is, express their opinion on installing
Water, gas, telecommunications or distributors of district
companies to know the location of their systems in the
area
Step 1 – Localization of the well

After inserting a valid property without any BHE the
user will be redirected to an interactive map
Pulsa el boton
Verde para marcar
donde desee
perforar
Sondeos
próximos
Línea de
límites de la
propiedad.
Si pulsa sobre un sondeo existente
en el mapa, podrá ver el nombre de
la propiedad, la profundidad y el
ángulo del sondeo.
Entrada dondeo
Punto central en sondeos
inclinados
Base de sondeo inclinado
Zona de influencia del sondeo
Zona de influencia de sondeos
próxomos
Localización desconocida de
sondeo
Límites de la propiedad
Permisos para edificiación en la
propiedad
Su sondeo y su zona de influencia se
muestran en verde. El circulo rojo tiene un
radio de 10 metros y muestra la distancia
mínima permitida a un sondeo próximo. En el
caso de que la localización de su sondeo esté
muy próxima a otro sondeo cercano recibirá un
mensaje de error para que cambie la
ubicación.
Cuando usted planee el
sondeo deberá decidir la
profundidad y el ángulo
de perforación.
Entrada dondeo
Punto central en sondeos
inclinados
Usted
recibirá
la
longitud horizontal de
su sondeo (en caso de
que sea con angulo de
perforación)
y
las
coordenadas de su
punto de sondeo.
Base de sondeo inclinado
Zona de influencia del sondeo
Zona de influencia de sondeos
próxomos
Localización desconocida de
sondeo
Límites de la propiedad
Permisos para edificiación en la
propiedad
Tanto la entrada del
sondeo como su
proyección en profundidad
deberán estar dentro de
los límites de la propiedad.
En caso contrario recibirá
un mensaje de error
advirtiendo sobre ello.
Entrada dondeo
Punto central en sondeos
inclinados
Base de sondeo inclinado
Zona de influencia del sondeo
Zona de influencia de sondeos
próxomos
Localización desconocida de
sondeo
Límites de la propiedad
Permisos para edificiación en la
propiedad
Cuando el emplazamiento sea
correcto
mensaje
Whenrecibirá
placingun
the
borehole correctly,
indicandoselo
you will get a message saying that
this is a possible location for your
borehole.
Entrada dondeo
Punto central en sondeos
inclinados
Base de sondeo inclinado
Zona de influencia del sondeo
Zona de influencia de sondeos
próxomos
Localización desconocida de
sondeo
Usted podra continuar su solicitud en este punto pulsando aqui.
Las infraestructuras subterraneas serán comprobadas una vez
enviada su solicitud.
Límites de la propiedad
Permisos para edificiación en la
propiedad
Next steps in Stockholm regulations
and laws

GSHP






Size and capacity
Refrigerant
Pipes and collector
Type of heat transfer
Energy coverage
Driller and installer
Certification number and contact
information
 Contact information is optional but makes
further steps easier


Contact information of the owner
Financial Issues
Investment
National Incentives
Insurances
Investment




SGE has to compete against
aerothermal energy
Main problem, wells. BHE.
COP3 vs COP5
Lifespan
National Incentives
National Incentives
Insurances

In general, all stakeholders involved
in the construction sector have their
own civil damage insurance. This
insurance could occasionally cover
any damage or unsatisfactory work
related to SGE installation.
Insurances

France has a dedicated system to
cover the geological risk of not
finding the resource for the ground
water heat pumps systems.
Insurances
Citizen information
Misinformation



There is a little information regarding
GSHP for the end user.
Almost all people think about deep
geothermal energy and doesn’t know
what’s SGE.
We must inform end user with
understandable concepts.
Information
References
References







www.geopimed.eu
www.regeocities.eu
www.geotrainet.eu
www.groundmed.eu
www.igme.es
www.geoplat.org
www.googlenergy.org

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