Glossary entry

French term or phrase:

Géothermie de Minime Importance (GMI)

English translation:

minimal-impact geothermal systems/energy

Added to glossary by liz askew
Jan 8, 2022 13:43
2 yrs ago
33 viewers *
French term

Géothermie de Minime Importance (GMI)

French to English Tech/Engineering Geology
La géothermie de minime importance (GMI), encore appelée géothermie de très basse température, permet d’extraire de l’énergie du sous-sol présente au sein de la terre ou d’une nappe d’eau souterraine afin de la restituer à l’aide d’une pompe à chaleur.
L’exploitation de la ressource énergétique, que compose la géothermie, est encadrée réglementairement par le Code minier qui considère « les gîtes renfermés au sein de la terre dont on peut extraire de l’énergie sous forme thermique, notamment par l’intermédiaire des eaux chaudes et des vapeurs souterraines qu’ils contiennent », comme des mines.

https://sigespoc.brgm.fr/spip.php?article139
Change log

Jan 8, 2022 13:45: Manuela C. changed "Language pair" from "English to Romanian" to "French to English"

May 7, 2022 15:53: liz askew Created KOG entry

Discussion

liz askew Jan 8, 2022:

Géothermie | L'ADEME en Nouvelle-Aquitainehttps://nouvelle-aquitaine.ademe.fr › ...· Translate this page
La géothermie « très basse énergie », dite de « minime importance » dans le Code minier, dont les forages sont profonds de moins de 200 m et dont chaque ...

Proposed translations

1 hr
Selected

minimal-impact geothermal systems/energy

https://www.planete-energies.com/en/medias/close/very-low-te...

In France, regulations adopted in 2014 allowed for greater access to these types of geothermal installations, which require little maintenance. They are referred to as “minimal-impact” systems and represent three-quarters of the geothermal energy produced in the country.


Very Low-Temperature Geothermal Energy Techniques
Many techniques have been developed to harness very low-temperature geothermal energy, such as:

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Note added at 1 hr (2022-01-08 15:41:22 GMT)
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https://www.planete-energies.com/en/medias/op-ed-articles/ho...

Very Low-Temperature Geothermal Energy


When the water temperature is below 25°C, it is called very low-temperature geothermal energy. If drilling is not dangerous or harmful to the environment (shallow drilling, low-temperature water, low flow rate, etc.), it is referred to in France as “minimal-impact geothermal energy” and is subject to highly simplified regulation. Geothermal heat pumps are used.
Note from asker:
https://www.brgm.fr/en/website/tele-gmi-website-online-declarations-minimum-impact-geothermal-projects-gmi
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4 KudoZ points awarded for this answer.
7 mins

energie geotermala cu temperatura foarte scazuta

Note from asker:
Scuze, am trecut greșit prima dată perechea de limbi. Este fr-en. Mulțumesc frumos!
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-2
11 mins

geothermal minimal importance

Geothermal minor constituents ( GMI ), also called low-temperature geothermal energy, can extract energy from this basement in the ground or a table of groundwater to restore to using a heat pump.
Note from asker:
Thank you!
Peer comment(s):

disagree liz askew : but I am unable to find "geothermal minimal importance" on any En site. Also "géothermie" = geothermal energy.
1 hr
disagree chris collister : Attention: "importance" peut être un faux ami. What would be the point of drilling into the ground for an installation of no importance?
3 hrs
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1 hr

very low temperature geothermal energy

I think thi is what they are referring to. See https://www.planete-energies.com/en/medias/close/very-low-te... , for example.
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38 mins

Shallow geothermal system

Google 'shallow thermal system". Sorry, I'm on my phone and don't know how to copy links. One site describes them as

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Note added at 8 hrs (2022-01-08 22:39:23 GMT)
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"SHALLOW GEOTHERMAL SYSTEMS harness the ground heat from the soil surface down to a depth of ca. 400-500 m, in areas without specific geothermal anomalies."
https://geothermalcommunities.eu/assets/elearning/6.22.Shall...

" “The greatest value of SHALLOW GEOTHERMAL energy is that it replaces base-load energy,” says Jeremy O’Brien, Seequent’s Energy Business Manager. “Around 40% of all the energy used in Europe is for heating and cooling, so if you were able to get half of that 40% from drilling some holes in the ground, that is an enormous benefit.” "
https://www.thinkgeoenergy.com/not-so-deep-heat-the-increasi...

And don't forget that French does not have a word for 'shallow', so they have to come up with something else.

La GÉOTHERMIE DE MINIME IMPORTANCE (GMI), encore appelée GÉOTHERMIE DE TRÈS BASSE TEMPÉRATURE, permet d’extraire de l’énergie du sous-sol présente au sein de la terre ou d’une nappe d’eau souterraine afin de la restituer à l’aide d’une pompe à chaleur.
https://sigespoc.BRGM.fr/spip.php?article139

While 'GMI' is also referred to as 'géothermie de très basse TEMPÉRATURE' above, it can also be referred to as 'géothermie de très basse ÉNERGIE', as is the case in this document of the Association Française des Professionnels de la Géothermie :
"Notons qu’en matière règlementaire, la géothermie a été séparée entre haute et basse énergie. Concernant la très basse énergie, également considérée de « minime importance », de complexes dérogations subsistent renforçant le caractère inapproprié des textes en vigueur"
http://www.afpg.asso.fr/wp-content/uploads/2015/04/AFPG_ETUD...

The following BRGM reference translates 'géothermie de très basse énergie' as 'shallow geothermal energy' :
"Bezelgues-Courtade, S.; Durst, P. Impacts Potentiels de la GÉOTHERMIE TRÈS BASSE ENERGIE sur le sol, le
Sous-sol et les eaux Souterraines—Synthèse Bibliographique. Report ** BRGM **/RP-59837-FR (Potential Impact of SHALLOW GEOTHERMAL ENERGY on Soil, Subsoil and Groundwater—bibliographic synthesis).
https://www.mdpi.com/2073-4441/11/8/1573/pdf


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Note added at 1 day 2 hrs (2022-01-09 16:13:04 GMT)
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In a previous question I proposed 'ground source' instead of 'geothermal'. For your question here, where, presumably, 'deep' geothermal sources, i.e. 'genuine' geothermal sources (hot water, steam), are compared to 'shallow' sources, it might indeed be best to retain 'geothermal'. In fact, though, 'shallow geothermal' is simply 'ground source'. If your text can make it clear that 'ground source' is contrasted to 'geothermal' (no need to specify 'deep'), that too is an option.

"The term ‘GEOTHERMAL ENERGY’ REFERS TO ANY HEAT DERIVED FROM THE GROUND, from depths of a few metres to multiple kilometres beneath the Earth’s surface.
LOW-GRADE HEAT STORED IN THE SHALLOW SUBSURFACE (500 M [...]
[another neat diagram]
GROUND SOURCE HEATING and cooling
Exploitation of this low-grade, GROUND-SOURCE HEAT RESOURCE requires use of ground-source heat pump (GSHP) systems (Figure 2).3
https://www.bgs.ac.uk/geology-projects/geothermal-energy/

Note from asker:
Thank you, I will search for this term.
Peer comment(s):

neutral liz askew : ..
1 hr
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