Central China power grid
E414808
The Central China power grid is a major regional electricity transmission and distribution network that supplies power to several provinces in central China, integrating large hydropower sources and other generation facilities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Central China power grid canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4146196 — 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: Central China power grid Context triple: [Gezhouba Dam, gridConnection, Central China power grid]
-
A.
China Yangtze Power
China Yangtze Power is a major Chinese state-controlled hydropower company best known as the listed subsidiary of China Three Gorges Corporation that owns and operates large-scale dams on the Yangtze River.
-
B.
Central China
Central China is a broad geographic region of the People’s Republic of China that includes several inland provinces and has historically been a significant political, economic, and military heartland.
-
C.
Yangtze River Economic Belt
The Yangtze River Economic Belt is a major national development corridor in China that integrates key cities and provinces along the Yangtze River to promote coordinated economic growth, industrial upgrading, and environmental protection.
-
D.
Three Gorges Reservoir Region
The Three Gorges Reservoir Region is a vast, ecologically and culturally significant area in central China surrounding the Three Gorges Dam along the Yangtze River, known for its dramatic landscapes, biodiversity, and large-scale resettlement and conservation efforts.
-
E.
Tsinan
Tsinan is an older romanized name for Jinan, the capital city of Shandong Province in eastern China known for its numerous natural springs.
- 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: Central China power grid Target entity description: The Central China power grid is a major regional electricity transmission and distribution network that supplies power to several provinces in central China, integrating large hydropower sources and other generation facilities.
-
A.
China Yangtze Power
China Yangtze Power is a major Chinese state-controlled hydropower company best known as the listed subsidiary of China Three Gorges Corporation that owns and operates large-scale dams on the Yangtze River.
-
B.
Central China
Central China is a broad geographic region of the People’s Republic of China that includes several inland provinces and has historically been a significant political, economic, and military heartland.
-
C.
Yangtze River Economic Belt
The Yangtze River Economic Belt is a major national development corridor in China that integrates key cities and provinces along the Yangtze River to promote coordinated economic growth, industrial upgrading, and environmental protection.
-
D.
Three Gorges Reservoir Region
The Three Gorges Reservoir Region is a vast, ecologically and culturally significant area in central China surrounding the Three Gorges Dam along the Yangtze River, known for its dramatic landscapes, biodiversity, and large-scale resettlement and conservation efforts.
-
E.
Tsinan
Tsinan is an older romanized name for Jinan, the capital city of Shandong Province in eastern China known for its numerous natural springs.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
electric power system
ⓘ
electricity transmission network ⓘ regional power grid ⓘ |
| connectedTo |
East China power grid
ⓘ
North China power grid ⓘ Northwest China power grid ⓘ South China power grid ⓘ
linked to:
China Southern Power Grid
|
| country | China ⓘ |
| energySource |
coal-fired power plants
ⓘ
hydropower from the Yangtze River basin ⓘ nuclear power plants ⓘ solar power ⓘ wind power ⓘ |
| function |
electricity distribution
ⓘ
electricity transmission ⓘ load balancing ⓘ regional power dispatch ⓘ |
| hasComponent |
control centers
ⓘ
distribution substations ⓘ high-voltage transmission lines ⓘ transmission substations ⓘ |
| integratesGenerationFacility |
Gezhouba hydropower station
ⓘ
linked to:
Gezhouba Dam
Three Gorges hydropower station ⓘ
linked to:
Three Gorges Dam
other large hydropower plants on the Yangtze River ⓘ |
| integratesGenerationType |
hydropower
ⓘ
nuclear power ⓘ renewable energy ⓘ thermal power ⓘ |
| locatedIn |
central China
ⓘ
linked to:
Central China
|
| managedBy | State Grid Corporation of China ⓘ |
| objective |
integration of large-scale renewable energy
ⓘ
secure and stable power supply for central China ⓘ |
| partOf | China Southern Power Grid and State Grid interconnected network ⓘ |
| role |
improvement of power supply reliability in central China
ⓘ
integration of large hydropower into regional grid ⓘ support for regional economic development ⓘ |
| suppliesElectricityToRegion |
Chongqing Municipality
ⓘ
linked to:
Chongqing
Henan Province ⓘ Hubei Province ⓘ Hunan Province ⓘ Jiangxi Province ⓘ |
| supportsSector |
commercial consumers
ⓘ
industrial consumers ⓘ residential consumers ⓘ |
| usesVoltageLevel |
high voltage transmission
ⓘ
ultra-high voltage AC ⓘ ultra-high voltage DC ⓘ |
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: Central China power grid Description of subject: The Central China power grid is a major regional electricity transmission and distribution network that supplies power to several provinces in central China, integrating large hydropower sources and other generation facilities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.