AltaGas Ltd.
E776203
electric power company
energy infrastructure company
natural gas company
public company
utility company
AltaGas Ltd. is a North American energy infrastructure company focused on natural gas, power, and utilities, including midstream and export operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AltaGas Ltd. canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T9072227 — 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: AltaGas Ltd. Context triple: [Ridley Island Propane Export Terminal, operator, AltaGas Ltd.]
-
A.
TransAlta
TransAlta is a Canadian power generation and wholesale marketing company known for operating a diverse portfolio of electricity assets, including significant wind energy projects.
-
B.
TransAlta Renewables
TransAlta Renewables is a Canadian power generation company that owns and operates a portfolio of renewable energy assets, including wind, hydro, and gas facilities.
-
C.
Cenovus Energy
Cenovus Energy is a Canadian integrated oil and natural gas company known for its large-scale oil sands operations and significant role in Alberta’s energy sector.
-
D.
Northern Natural Gas
Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
-
E.
Chevron Canada
Chevron Canada is a major Canadian oil and gas company involved in exploration, production, and development projects, including offshore operations.
- 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: AltaGas Ltd. Target entity description: AltaGas Ltd. is a North American energy infrastructure company focused on natural gas, power, and utilities, including midstream and export operations.
-
A.
TransAlta
TransAlta is a Canadian power generation and wholesale marketing company known for operating a diverse portfolio of electricity assets, including significant wind energy projects.
-
B.
TransAlta Renewables
TransAlta Renewables is a Canadian power generation company that owns and operates a portfolio of renewable energy assets, including wind, hydro, and gas facilities.
-
C.
Cenovus Energy
Cenovus Energy is a Canadian integrated oil and natural gas company known for its large-scale oil sands operations and significant role in Alberta’s energy sector.
-
D.
Northern Natural Gas
Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
-
E.
Chevron Canada
Chevron Canada is a major Canadian oil and gas company involved in exploration, production, and development projects, including offshore operations.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
electric power company
ⓘ
energy infrastructure company ⓘ natural gas company ⓘ public company ⓘ utility company ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| focusesOn |
natural gas
ⓘ
power ⓘ utilities ⓘ |
| hasBusinessModel | owning and operating energy infrastructure assets ⓘ |
| hasCustomerType |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ |
| hasExportFocus |
liquefied petroleum gas exports
ⓘ
natural gas liquids exports ⓘ |
| hasOperationType |
export operations
ⓘ
midstream operations ⓘ |
| headquartersLocation |
Calgary, Alberta, Canada
ⓘ
linked to:
Calgary
|
| industry |
LNG export
ⓘ
electric power ⓘ energy infrastructure ⓘ midstream energy ⓘ natural gas ⓘ utilities ⓘ |
| isPartOfIndustry | North American energy sector ⓘ |
| legalForm | limited company ⓘ |
| listedOn | Toronto Stock Exchange ⓘ |
| operatesInSector |
midstream
ⓘ
power generation ⓘ utilities ⓘ |
| providesService |
energy utilities
ⓘ
natural gas distribution ⓘ power generation ⓘ |
| servesRegion | North America ⓘ |
| tickerSymbol | ALA ⓘ |
| usesEnergySource | natural gas ⓘ |
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: AltaGas Ltd. Description of subject: AltaGas Ltd. is a North American energy infrastructure company focused on natural gas, power, and utilities, including midstream and export operations.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.