Dalkia
E168398
Dalkia is a French energy services company specializing in energy efficiency, district heating and cooling, and sustainable energy solutions for buildings and industry.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Dalkia canonical | 3 |
| Dalkia Biogaz | 1 |
| Dalkia Froid Solutions | 1 |
| Dalkia Polska | 1 |
| Dalkia Wastenergy | 1 |
| Dalkia Česká republika | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1467832 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dalkia Context triple: [EDF, subsidiary, Dalkia]
-
A.
Bouygues
Bouygues is a major French industrial group primarily active in construction, real estate development, media, and telecommunications.
-
B.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
C.
Électricité de France
Électricité de France is France’s state-owned electric utility company and one of the world’s largest producers and distributors of electricity, particularly known for its extensive nuclear power fleet.
-
D.
Veolia Environnement
Veolia Environnement is a French multinational company specializing in water, waste, and energy management services worldwide.
-
E.
Areva
Areva was a French multinational group specializing in nuclear power and renewable energy technologies, known for its involvement in the entire nuclear fuel cycle.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dalkia Target entity description: Dalkia is a French energy services company specializing in energy efficiency, district heating and cooling, and sustainable energy solutions for buildings and industry.
-
A.
Bouygues
Bouygues is a major French industrial group primarily active in construction, real estate development, media, and telecommunications.
-
B.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
C.
Électricité de France
Électricité de France is France’s state-owned electric utility company and one of the world’s largest producers and distributors of electricity, particularly known for its extensive nuclear power fleet.
-
D.
Veolia Environnement
Veolia Environnement is a French multinational company specializing in water, waste, and energy management services worldwide.
-
E.
Areva
Areva was a French multinational group specializing in nuclear power and renewable energy technologies, known for its involvement in the entire nuclear fuel cycle.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
French company
ⓘ
energy services company ⓘ |
| abbreviation | Dalkia self-link ⓘ |
| country | France ⓘ |
| focusesOn |
development of local energy loops
ⓘ
improving energy efficiency of clients ⓘ reducing greenhouse gas emissions ⓘ |
| foundedBy |
Compagnie Générale des Eaux
ⓘ
EDF ⓘ |
| hasClientType |
healthcare facilities
ⓘ
housing providers ⓘ industrial companies ⓘ local authorities ⓘ public institutions ⓘ tertiary sector companies ⓘ |
| hasNumberOfEmployees | over 15,000 ⓘ |
| hasSubsidiary |
Dalkia
self-linksurface differs
ⓘ
surface form:
Dalkia Biogaz
Dalkia self-linksurface differs ⓘ
surface form:
Dalkia Froid Solutions
Dalkia self-linksurface differs ⓘ
surface form:
Dalkia Polska
Dalkia self-linksurface differs ⓘ
surface form:
Dalkia Wastenergy
Dalkia self-linksurface differs ⓘ
surface form:
Dalkia Česká republika
|
| headquartersLocation | Saint-André-lez-Lille ⓘ |
| inception | 1998 ⓘ |
| industry |
district cooling
ⓘ
district heating ⓘ energy efficiency ⓘ energy services ⓘ sustainable energy solutions ⓘ |
| languageOfWorkOrName | French ⓘ |
| legalForm | société par actions simplifiée ⓘ |
| offersService |
energy performance contracting
ⓘ
facility management related to energy ⓘ operation of district cooling networks ⓘ operation of district heating networks ⓘ optimization of energy consumption ⓘ |
| operatesInSector |
energy management
ⓘ
renewable energy integration ⓘ |
| parentOrganization | Électricité de France ⓘ |
| partOf |
Électricité de France
ⓘ
surface form:
EDF Group
|
| serves |
buildings
ⓘ
industrial facilities ⓘ |
| usesEnergySource |
biomass
ⓘ
electricity ⓘ geothermal energy ⓘ natural gas ⓘ waste heat recovery ⓘ |
| website | https://www.dalkia.com ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dalkia Description of subject: Dalkia is a French energy services company specializing in energy efficiency, district heating and cooling, and sustainable energy solutions for buildings and industry.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Dalkia Wastenergy
this entity surface form:
Dalkia Biogaz
this entity surface form:
Dalkia Froid Solutions
this entity surface form:
Dalkia Polska
this entity surface form:
Dalkia Česká republika