Ertan Dam
E859445
Ertan Dam is a major arch dam and hydroelectric power station in Sichuan, China, known for its large installed capacity and role in regional power generation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ertan Dam canonical | 3 |
| Ertan Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10380447 — 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: Ertan Dam Context triple: [Dadu River, hasHydropowerProject, Ertan Dam]
-
A.
Atatürk Dam
Atatürk Dam is one of Turkey’s largest and most significant hydroelectric and irrigation dams, forming a key part of the Southeastern Anatolia Project on the Euphrates River.
-
B.
Enguri Dam
Enguri Dam is a massive arch dam in western Georgia, notable as one of the tallest concrete arch dams in the world and a key source of hydroelectric power for the region.
-
C.
Aras Dam
Aras Dam is a major hydroelectric and irrigation dam on the transboundary Aras River, playing a key role in water management and power generation in the region between Iran and the South Caucasus.
-
D.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
E.
Bornos Dam
Bornos Dam is a major reservoir and hydraulic infrastructure in southern Spain that regulates the flow of the Guadalete River for water supply, irrigation, and flood control.
- 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: Ertan Dam Target entity description: Ertan Dam is a major arch dam and hydroelectric power station in Sichuan, China, known for its large installed capacity and role in regional power generation.
-
A.
Atatürk Dam
Atatürk Dam is one of Turkey’s largest and most significant hydroelectric and irrigation dams, forming a key part of the Southeastern Anatolia Project on the Euphrates River.
-
B.
Enguri Dam
Enguri Dam is a massive arch dam in western Georgia, notable as one of the tallest concrete arch dams in the world and a key source of hydroelectric power for the region.
-
C.
Aras Dam
Aras Dam is a major hydroelectric and irrigation dam on the transboundary Aras River, playing a key role in water management and power generation in the region between Iran and the South Caucasus.
-
D.
Keban Dam
Keban Dam is a major hydroelectric and flood-control dam in eastern Turkey that forms one of the largest reservoirs on the Euphrates River.
-
E.
Bornos Dam
Bornos Dam is a major reservoir and hydraulic infrastructure in southern Spain that regulates the flow of the Guadalete River for water supply, irrigation, and flood control.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
arch dam
ⓘ
hydroelectric power station ⓘ |
| annualGeneration | 17 TWh ⓘ |
| basinCountry | China ⓘ |
| belongsTo | Yalong River hydropower cascade ⓘ |
| capacityPerTurbine | 550 MW ⓘ |
| commissioningDate | 1998 ⓘ |
| constructionCost | about US$2 billion ⓘ |
| constructionMethod | concrete placement in blocks ⓘ |
| constructionStartDate | 1991 ⓘ |
| country | China ⓘ |
| crestElevation | 1200 m ⓘ |
| damType | concrete double-curvature arch dam ⓘ |
| designedBy | Chinese design institutes ⓘ |
| foundationType | rock foundation ⓘ |
| fundedBy |
Asian Development Bank
ⓘ
World Bank ⓘ |
| gridConnection | Southwest China power grid ⓘ |
| hasPowerhouseType | underground powerhouse ⓘ |
| height | 240 m ⓘ |
| impact |
contributes to peak load regulation in Southwest China
ⓘ
supports regional industrial power demand ⓘ |
| installedCapacity | 3300 MW ⓘ |
| latitude | approximately 26.78 N ⓘ |
| length | 775.5 m ⓘ |
| locatedIn |
Sichuan
ⓘ
linked to:
Sichuan Province
|
| locatedNear | Panzhihua ⓘ |
| locatedOnRiver | Yalong River ⓘ |
| longitude | approximately 101.75 E ⓘ |
| notableFor |
being one of the first large-scale hydropower projects in China financed with international loans
ⓘ
large installed capacity among Chinese hydropower stations of the 1990s ⓘ |
| numberOfTurbines | 6 ⓘ |
| openingDate | 1999 ⓘ |
| operator | Ertan Hydropower Development Company ⓘ |
| purpose |
flood control
ⓘ
irrigation support ⓘ power generation ⓘ |
| regionServed |
Chongqing
ⓘ
Sichuan Province ⓘ |
| reservoirName |
Ertan Reservoir
ⓘ
linked to:
Ertan Dam
|
| reservoirSurfaceArea | 101 km2 ⓘ |
| reservoirTotalCapacity | 5800000000 m3 ⓘ |
| riverBasin | Yangtze River basin ⓘ |
| safetyFeature |
energy dissipation structures at toe
ⓘ
multiple spillway bays ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
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: Ertan Dam Description of subject: Ertan Dam is a major arch dam and hydroelectric power station in Sichuan, China, known for its large installed capacity and role in regional power generation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ertan Dam