Berkshire Hathaway Energy
E79838
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Berkshire Hathaway Energy canonical | 14 |
| MidAmerican Energy Holdings Company | 2 |
| MidAmerican Energy Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T638799 — 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: Berkshire Hathaway Energy Context triple: [Berkshire Hathaway, owns, Berkshire Hathaway Energy]
-
A.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
B.
Berkshire Hathaway
Berkshire Hathaway is a multinational conglomerate holding company based in the United States, best known for its diverse portfolio of wholly owned businesses and large equity investments overseen by Warren Buffett.
-
C.
Transamerica Corporation
Transamerica Corporation is a major American financial services company best known for its life insurance, investment, and retirement products and its iconic association with the Transamerica Pyramid in San Francisco.
-
D.
PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
-
E.
Westinghouse Electric Corporation
Westinghouse Electric Corporation was a major American manufacturing and broadcasting conglomerate known for its pioneering role in electrical equipment and its ownership of media assets such as NBC.
- 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: Berkshire Hathaway Energy Target entity description: Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
-
A.
Southern Company
Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
-
B.
Berkshire Hathaway
Berkshire Hathaway is a multinational conglomerate holding company based in the United States, best known for its diverse portfolio of wholly owned businesses and large equity investments overseen by Warren Buffett.
-
C.
Transamerica Corporation
Transamerica Corporation is a major American financial services company best known for its life insurance, investment, and retirement products and its iconic association with the Transamerica Pyramid in San Francisco.
-
D.
PSEG Power
PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
-
E.
Westinghouse Electric Corporation
Westinghouse Electric Corporation was a major American manufacturing and broadcasting conglomerate known for its pioneering role in electrical equipment and its ownership of media assets such as NBC.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
energy company
ⓘ
subsidiary ⓘ |
| associatedWithPerson | Warren Buffett ⓘ |
| businessModel | regulated utility returns ⓘ |
| chairman | Gregory E. Abel ⓘ |
| controllingShareholder | Berkshire Hathaway ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| focusesOn |
long-term infrastructure assets
ⓘ
renewable energy investment ⓘ |
| formerName |
Berkshire Hathaway Energy
self-linksurface differs
ⓘ
surface form:
MidAmerican Energy Holdings Company
|
| hasAssetType |
electric distribution networks
ⓘ
electric transmission lines ⓘ hydroelectric facilities ⓘ natural gas pipelines ⓘ solar power plants ⓘ wind farms ⓘ |
| hasStrategicPriority |
decarbonization of power generation
ⓘ
expansion of renewable generation capacity ⓘ investment in transmission infrastructure ⓘ |
| headquartersLocation | Des Moines, Iowa ⓘ |
| industry |
electric utilities
ⓘ
energy infrastructure ⓘ natural gas utilities ⓘ renewable energy ⓘ |
| isKeySubsidiaryOf | Berkshire Hathaway ⓘ |
| keyPerson | Gregory E. Abel ⓘ |
| majorShareholder | Berkshire Hathaway ⓘ |
| operatesInCountry |
United Kingdom
ⓘ
United States of America ⓘ
surface form:
United States
|
| operatesInRegion |
Europe
ⓘ
North America ⓘ |
| operatesInSector |
natural gas pipelines
ⓘ
power generation ⓘ regulated utilities ⓘ renewable power generation ⓘ |
| owns |
BHE Renewables
ⓘ
HomeServices of America ⓘ Kern River Gas Transmission Company ⓘ Berkshire Hathaway Energy self-linksurface differs ⓘ
surface form:
MidAmerican Energy Company
NV Energy ⓘ Northern Natural Gas ⓘ Northern Powergrid ⓘ PacifiCorp ⓘ |
| parentCompany | Berkshire Hathaway ⓘ |
| regulatoryEnvironment | state-regulated utility commissions in the United States ⓘ |
| servesMarket |
retail electricity customers
ⓘ
retail natural gas customers ⓘ wholesale power markets ⓘ |
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: Berkshire Hathaway Energy Description of subject: Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MidAmerican Energy Holdings Company
this entity surface form:
MidAmerican Energy Company
this entity surface form:
MidAmerican Energy Holdings Company